Bio 4 chap 4 – Flashcards
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Specialized cells that work together to perform a common function are called
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tissues
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Which of the following is not considered a basic tissue type?
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fat
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Which type of tissue covers body surfaces and lines body cavities?
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epithelial tissue
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Jacob looked up and saw the car. This information was relayed to him via what type of tissue?
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nervous
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Which of the following cells would have a greater probability of developing into cancer?
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epithelial cells
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Bone cancer and other cancers of connective tissue are called
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sarcomas.
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The three major components of connective tissue are
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cells, ground substance, and protein fibers.
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What protein provides flexibility and strength to connective tissues?
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collagen
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It is thought that President Abraham Lincoln suffered from a genetic disorder known as Marfan syndrome. Which type of fiber is affected in this disorder?
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elastic fibers
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What are the two forms of fibrous connective tissue?
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loose fibrous and dense fibrous
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Alison was looking at a tissue under the microscope. It had cells within lacuna and the matrix was glassy looking. What type of tissue is she looking at?
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cartilage
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Todd's father slipped a disk in his back. Dr. Foster explained to the family that the intervertebral disks are composed of
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fibrocartilage.
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What characteristic can be used to differentiate bone and cartilage?
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the flexibility of the matrix
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The cells in bone tissue are found scattered throughout the matrix and are not connected to each other.
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false
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What carries oxygen in the blood?
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red blood cells
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There is no matrix in blood because it is a liquid.
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false
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The two components of blood are
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formed elements and plasma.
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Lymph contains no cells.
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false
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As a result of an infection, which component of blood would increase?
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leukocytes
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Lymphatic vessels serve to absorb fat molecules from the
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small intestines.
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While observing cardiac muscle under the microscope for the first time, Jennifer noticed lines running perpendicular to the direction of the muscle. These lines are called
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intercalated discs.
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The stripes in skeletal muscle are due to the presence of
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actin and myosin filaments.
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In turning a page, you would mainly be using what type of muscle?
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skeletal muscle
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Smooth muscle in the bladder contracts sending urine into the urethra.
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true
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What type of tissue receives sensory input, integrates data, and conducts impulses?
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Nervous tissue
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The specialized cells in the nervous system that serve to conduct a signal are known as
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neurons
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When you put your hand on a hot stove, ____ receive signals from the sensory receptors or other neurons and ______ conduct nerve impulses.
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dendrites, axons
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Which type of cell is neuroglia found outside of the brain?
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Schwann cells
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Schwann cells are a type of neuroglia found outside of the brain.
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true
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Which two types of cells make myelin?
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oligodendrocytes and Schwann cells
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In epithelial tissues, what serves to anchor the epithelial tissue to underlying connective tissue?
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basement membrane
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What type of epithelial tissue is found in the urinary bladder and allows it to stretch?
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Transitional epithelium
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Gynecologists perform yearly pap smears for women. This procedure is important in early diagnosis and prevention of what type of cancer?
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cervical cancer
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One of the dangers of smoking is that it disrupts the defensive system that utilizes ciliary action of what type of specialized epithelia?
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pseudostratified epithelium
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___ glands are considered ductless glands, while ___ glands contain ducts.
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Endocrine, exocrine
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Moving from the outside of the body, the first type of tissue encountered is epithelial tissue.
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true
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The epithelial lining of the small intestine is modified for what function?
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absorption
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Which of the following is not a function of the integument?
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production of white blood cells
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Stretch marks are the result of tears in the integumentary layer that contains fibrous connective tissue, elastin, and collagen. What is this region of the integument called?
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dermis
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Which of the following is mismatched to its location in the skin?
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nerves/blood vessels--epidermis
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Which of the following is responsible for the waterproofing of skin?
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keratin
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Which layer of the skin is responsible for tanning?
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epidermis
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Which type of gland can become blocked and form a "blackhead?"
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sebaceous
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Skin accounts for nearly 15% of the weight of an average human.
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true
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Carla is having problems with infections. Which body system is failing?
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immune system
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Which of the following body systems is located in a specific cavity of the body?
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urinary system
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What cavities develop from the ventral cavity?
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thoracic, abdominal, and pelvic
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Which systems function in adjustment of the acid-base balance of the blood?
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respiratory and urinary
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The cardiovascular system consists of the heart and the blood.
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false
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Which of the following body parts is surrounded by a mucous membrane?
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tubes of the digestive system
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The pleurae would be found in which body system?
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the respiratory system
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What membrane is infected in meningitis?
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the lining of the brain and spinal cord
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The body's ability to maintain a relative constancy of its internal environment is called
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homeostasis.
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Sweating is a physiological process that seeks to maintain
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body temperature.
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Only the nervous and endocrine systems are involved in homeostasis.
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false
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If temperature were controlled by a positive feedback mechanism, the body's temperature would continue to rise.
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true
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Which of the following is not involved in body temperature homeostasis?
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respiration rate
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With a negative feedback system, the value in question will vary around the set point.
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true
