Test Answers on Health Test 3 – Flashcards

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How much of our lives do we spend sleeping?
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1/3
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How many hours of sleep on average do Americans get per night?
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6.7 hours
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How does this compare to data collected in the 1960's?
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16% less (we got 8 hrs in 60's)
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How does sleep deprivation affect the following: Learning, Memory, and Reaction Time?
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It has a cumulative effect, impairment develops in ability to think fast, react quickly and remember things; (In one study, students who had been awake more than 24 hours did 40% worse memorizing lists of words)
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Based on the research presented, what i the smallest amount of sleep deprivation that can cause changes in attention/memory/reaction time?
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A single night at 4-5 hours of sleep can in most people begin to show affects in your attention and your memory and the speed at which you think. Each day of sleep deprivation adds an additional deficit to your cognitive ability.
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What does current research suggest with respect to human adaptation to chronic sleep deprivation?
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They believe they learned to adapt, but have not.
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How does sleep deprivation affect hunger and blood sugar levels?
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Healthy, young study participants restricted to four hours sleep per night for six nights went into a pre-diabetic state. Levels of the hormone leptin (which controls hunger) had dropped and participants were hungry, even though they had eaten.
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Short sleep times have been linked to which chronic diseases? (4)
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Obesity, heart disease, high blood pressure and stroke
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How do our sleep cycles change with aging?
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The amount of time we spend in deep sleep decreases.
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Do naps really help us when we are sleep deprived?
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Yes, what's important is getting your seven and a half to eight hours of sleep total, so naps can help.
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According to a recent survey from the American College Health Association (ACHA), only about ___ percent of students reported getting enough sleep to feel well rested in the morning 6 or more days a week.
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11
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What are the two biological purposes of sleep?
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- Sleeping conserves body energy. It drops your core body temperature, and you burn fewer calories during sleep. You wake with more energy. - It restores you both physically and mentally.
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How Does Sleep Maintain Your Physical Health? (3)
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• maintain your immune system. • reduce your risk for cardiovascular disease. • contributes to a healthy metabolism and body weight.
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Sleep _______ motor tasks
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improves
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Non-REM (NREM)
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Restorative Your body temperature and your energy use decline; sensation is dulled; and your brain waves, heart rate, and breathing slow down while digestive processes speed up. Four distinct stages of NREM sleep have been distinguished by their brain wave patterns.
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REM Sleep
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Energizing - Dreaming takes place - Most muscles are paralyzed except for the respiratory muscles and the tiny muscles of your eyes.
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Circadian Rhythm
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The "Internal Clock." - Is regulated by the pineal gland - Releases a hormone called melatonin, which induces drowsiness
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Stress
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Stimulus/Event that causes our bodies to react or respond A real or imagined threat to one's being that leads to a series of physiological responses and adaptations.
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What influences how YOU perceive/respond to an event/stress? (7)
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• Heredity • Life experiences • Personality • Ability to cope/coping mechanisms • Learned responses • Emotional/Physical health • Meaning he or she attaches to it.
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Stress is ______ to each person
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relative
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Distress
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stress that can have a detrimental effect on health. We view it as negative stress. Ex. exam or not being able to pay one's monthly bills.
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Eustress
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positive stress and can present opportunities for personal growth. Ex. planning a wedding or having a baby
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What is Acute stress?
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Short-term physiological response to an immediate perceived threat. Ex. When someone cuts you off on the freeway, walking into a lecture hall and are given a pop quiz
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What is Chronic stress?
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Ongoing state of physiological arousal in response to ongoing or numerous perceived threats Ex. Divorce, chronic illness, job strain, caregiving, bereavement, natural disasters
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General Adaptation Syndrome What are the three stages?
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Alarm, Resistance, Exhaustion
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General Adaptation Syndrome What stage are you in during the fight/flight response?
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Alarm, stressors disrupts the body's stability
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General Adaptation Syndrome What stage if your body is attempting to return to homeostasis?
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Resistance
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General Adaptation Syndrome What stage are you in if you endure long term chronic stress and have run out of energy stores?
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Exhaustion
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What branch of the Autonomic Nervous System is activated during the Alarm Phase?
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Sympathetic nervous system
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What gland does the sympathetic nervous system stimulate?
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Adrenal glands
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What is the main stress hormone released and what does it cause to happen?
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Epinephrine, which causes more blood to be pumped, more oxygen to be taken up, and glucose to be released
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Which of the following is an example of an acute stressor? A) Running into your crush B) Dealing with a disability C) Planning a wedding over a year D) Dealing with the death of a loved one after a long battle with cancer
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Running into your crush
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You're sitting home alone at night, and you hear a noise outside the house. Your pulse quickens and your breathing increases. What are you experiencing? A) The fight-or-flight response B) An adaptive response C) Perception and response D) An immunological response
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The fight-or-flight response
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Which branch of the autonomic nervous system slows all the systems stimulated by the stress response? A) Sympathetic nervous system B) Parasympathetic nervous system C) Central nervous system D) Hypothalamus
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Parasympathetic nervous system
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Return to Homeostasis during what stage?
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Resistance Stage
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Return to Homeostasis What Happens When the Parasympathetic Division of ANS takes over?
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• calms body down • digestion and temperature regulation functions return to normal • damage which may have been sustained during "fight or flight" is repaired • Also called the "rest and digest"
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Trifecta of Health
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•Stress Management •Physical Activity •Nutrition
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___ of deaths and ___ of diseases are related to stress
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40% 70%
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Diseases/Effects of Stress (7)
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Heart disease weight gain alcohol dependency hair loss impaired immunity and libido diabetes digestive problems
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What is the largest epidemiological study to date?
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The INTERHEART Study • Almost 30,000 participants in 52 countries • Identified stress as one of the key modifiable risk factors for CVD • Linked to arterial blockage due to elevated cholesterol, hardening of the arteries, arrhythmias, and hypertension.
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What stress hormone is associated with hunger?
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• Cortisol • Higher stress levels may increase cortisol levels in the blood. Cortisol also seems to activate fat storage enzymes.
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_______ stress may cause hair to fall out in clumps.
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Prolonged
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Stress can affect how we ____, ____, and _____. Those with diabetes may lose track of appropriate diet tools and exercise habits, which can lead to __________.
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eat, sleep, and exercise hyperglycemia
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Stress may be the #1 impediment to _______ __________
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academic achievement
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Acute stress has been shown to impair _________ ________
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short-term memory
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Prolonged stress may be linked to ______, which _____ the hippocampus
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cortisol (a key stress hormone), which shrinks the hippocampus (major memory center).
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What Causes Stress in College Students? (7)
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Psychosocial Stressors •Fear of failure •Uncertainty about major/career choice •Concern about "not fitting in" •How can I get family to support my decisions? •How am I going to juggle school, job, family, personal life •Financial concerns •Relationships: roommate, girlfriend/boyfriend
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Internal Stressors (6)
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Appraisal Self-Esteem Self-Efficacy Self-Talk Psychological Resilience Psychological Hardiness
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Appraisal
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how we interpret and evaluate people or situations is what makes things stressful, not the people or situations themselves
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Self-Efficacy
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belief in your own ability
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Self-Esteem
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how you feel about yourself
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Self talk
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positive or negative? pessimism, perfectionist, blaming yourself
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Psychological Resilience
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Ability to bounce back, adapting well in face of adversity, trauma, tragedy
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Psychological Hardiness
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• Ability to cope with stress/anxiety - key to reducing stress associated w/Type A • Characteristics: Control, commitment, willing to embrace change
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Type A
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Time conscious, Perfectionists, Competitive, Hard driving (increased risk for CVD, cancer and other chronic and infectious diseases)
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Type B
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Relaxed, noncompetitive, more tolerant of others (low risk)
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Type C
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Stoic, tend to deny feelings, people "pleasers", lack of assertiveness, helpless and hopeless (more susceptible to illnesses such as asthma, autoimmune disorders, MS and cancer)
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Type D
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Distresed, excessive negative worry, irritability, gloom, inhibition - Up to 8x more likely to die of heart attack/sudden cardiac death
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Ways to manage stress (5)
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•Diet/Exercise •Sleep •Time management •Gratitude journal •Journaling
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Relaxation Techniques Goal to shut off stimulation of ________ branch of nervous system and allow _______ to take over and restore rest.
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sympathetic, parasympathetic
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Spirituality
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an individual's sense of peace, purpose, connection to others, and beliefs about the meaning of life Yoga
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Physical Benefits of Spirituality (5)
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• Decrease anxiety, depression • Decrease drug and alcohol use • Decrease blood pressure and the risk of cardiovascular disease • Increase ability to cope with effects of illness and with medical treatments. • Increase feelings of hope/optimism, freedom from regret, satisfaction with life and inner peace.
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The top 5 negative consequences drinkers reported: __% did something they later regretted __% forgot where they were or what they did __% physically injured themselves __% had unprotected sex __% had an academic related consequence
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-33 -32 -20 -12 -9
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__% of GT undergrads don't drink alcohol
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37
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What does BAC/BAL mean? How are they used?
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Blood Alcohol Content (concentration) Blood Alcohol Level Used to measure the amount of alcohol in the body
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A BAC of .05 means that in every ___ milliliters of blood there is .05 grams of alcohol
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100
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What are the major factors that affect alcohol absorption? (6)
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Weight Gender Rate of consumption Food in the stomach Type of drink Other drugs or medications in the system
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What is alcohol poisoning?
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A medical condition that occurs when a person has put so much alcohol into their system that the depressant aspect of the drug slows down the messages from the brain to the lungs and heart and can result in death.
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Signs of Alcohol Poisoning (5)
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Person is known to have consumed large quantities of alcohol Person is unconscious and cannot be awakened Person has cold, clammy, unusually pale or bluish skin Person is breathing slowly or irregularly, less than 8 times a minute or 10 seconds or more between breaths Person vomits while passed out and does not wake up during or after
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Cigarette Addiction Model (3)
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Social, Psychological, Biological
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Body Image
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how you feel about what your body does for you, not just how you look What you believe about your own appearance How you feel about your body, including your height, shape, and weight How you feel in your body, not just about how your body looks
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Eating food when drinking alcohol
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slows the absorption of the alcohol
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The rate at which alcohol is absorbed and metabolized in the body is
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different depending on individual factors
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Which of the following is a strategy for responsible alcohol consumption? A. Keep track of how many drinks you consume each hour. B. Eat before and while you drink alcohol. C. Drink only one type of alcohol. D. Make sure the designated driver only has one or two drinks.
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Eat before and while you drink alcohol.
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Heavy drinking within a 2-hour period is described as
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Binge drinking
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The leading cause of preventable death among college students in the United States is
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alcohol consumption
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Andrew has a dreadful hangover. What is the only cure for his condition?
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Time
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A condition of severe liver damage that usually results from alcohol abuse is
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cirrhosis
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The rate of cigarette smoking among college students is
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declining
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In a study of college students, what was the primary reason they reported for smoking?
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to reduce stress
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Nicotine _____ blood pressure
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increases
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Some people get addicted to cigarettes quickly and have more difficulty quitting. Research suggests that this is due to a
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genetic influence
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A physiological tolerance to one drug that reduces the effects of another drug is
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cross tolerance
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Abuse of prescription drugs is
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increasing
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Which of the following factors would increase a college student's risk of prescription drug abuse?
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Academic and social pressures
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A drug that increases central nervous system activity is a
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stimulant
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Which of the following best defines body image? A. Specific physical flaws that you focus on B. Your impression of what others think about your appearance C. Your overall feelings, perceptions, and assumptions about your body D. Physical attributes you have inherited from your parents
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C. Your overall feelings, perceptions, and assumptions about your body
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True body image disorders are diagnosed....
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in a small percentage of the American population
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Darren works out excessively and has a well-developed, muscular body but low self-esteem. He may be suffering from
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muscle dysmorphia
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BAC <.01% .01-04% .05-.07% .08-.14%
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<.01% not impaired .01-04% sometimes impaired, talkative, relaxation .05-.07% usually impaired, lower alertness, impaired judgement .08-.14% always impaired, slowed reaction time, uncoordinated
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Tips for Drinking Responsibility (8)
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Eat before and while you drink Stay with the same group of friend when out Don't drink before parties or if you feel sad No more than one drink per hour Alternate between alcoholic n nonalcoholic Set limits Avoid drinking games Avoid heavy drinking parties
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anorexia nervosa
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eating disorder characterized by excessive preoccupation with food, self-starvation, or extreme exercising to achieve weight loss
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bulimia nervosa
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eating disorder characterized by binge eating followed by inappropriate measures, such as vomiting, to prevent weight gain
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binge-eating disorder
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a type of eating disorder characterized by binge eating once a week or more, not typically followed by a purge
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female athlete triad
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a syndrome of three interrelated health problems seen in some female athletes: disordered eating, amenorrhea, and poor bone density
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sleep debt
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the difference between the number of hours of sleep an individual needed in a given time period and the number of hours he or she actually slept
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sleep inertia
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a state characterized by cognitive impairment, grogginess, and disorientation that is experienced upon rising from short sleep or an overly long nap
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religion
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system of beliefs, practices, rituals, and symbols designed to facilitate closeness to the sacred or transcendent
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yoga
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system of physical and mental training involving controlled breathing, physical postures, meditation, chanting, and other practices believed to cultivate unity with the Atman, or Absolute.
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meditation
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practice of emptying the mind of thought
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contemplation
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practice of concentrating the mind on a spiritual or ethical question or subject, a view of the natural world, or an icon or other image representative of divinity
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mindfulness
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practice of purposeful, nonjudgemental observation in which we are fully present in the moment
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altruism
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giving of oneself out of genuine concern for others
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environmental stewardship
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responsibility for environmental quality shared by all those whose actions affect the environment
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