anatomy chapter 1 – Flashcards
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Histology would be best defined as a study of ___.
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tissues
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the study of large body structured, visible to the naked eye, such as the heart is called ___ anatomy.
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Gross
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Generally what is the result of the negative feedback process?
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to maintain homeostasis
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the coxal joint is most likely found in ___ region of the body.
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Hip
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a structure that is composed of two or more tissue types that work together to perform specific functions for the body is a(n) _____.
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organ
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a good example of a positive feedback mechanism would be ____.
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enhancement of labor contractions
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which of the following organs or structure would be found in the left iliac region?
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intestines
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the parietal pleura would represent a serous membrane ______
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lining the thoracic cavity
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which one of the following systems responds fastest to environmental stimuli?
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nervous
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choose the anatomical topic and definition that is not correctly matched
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cytology: study of the structures in a particular region
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Homeostasis is the condition in which the body maintains______.
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a relatively stable internal environment, within limits
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in which body cavities are the lungs located?
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pleural, ventral, and thoracic
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place the following in correct sequence from simplest to most complex. 1. molecules 2. atoms 3. tissues 4. cells 5. organs
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2-1-4-3-5
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which of the following imaging device would best localize a tumor in a persons brain?
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MRI
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which of these is not part of the dorsal cavity?
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thoracic cavity
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in which quadrant of the abdominopelvic cavity is the stomach located?
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left upper quadrant
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which of the following statements is the most correct regarding homeostatic imbalance?
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it is considered to cause of most diseases.
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the term pollex refers to the ____.
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thumb
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the dorsal body cavities is the site of which of the following?
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brain
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select the most correct statement
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the immune system is closely associated with the lymphatic system
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one of the functional characteristics of life is excitability or responsiveness. this refers to ____.
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sensing changes in the environment and then reacting or responding to them
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which of the following are survival needs of the body?
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nutrients, water, atmospheric pressure, and oxygen
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what is a vertical section through the body, dividing it into left and right, called?
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sagittal
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what is a verticle section through the body, dividing it into anterior and posteriror regions called?
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frontal
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the body cavities that protects the nervous system are located in the _______ cavity.
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dorsal
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which of the following describes the operation of the heart and blood vessels?
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cardiovascular anatomy
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It is wise to study anatomy alongside with physiology because _______.
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physiology is only explainable in terms of the underlying anatomy.
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the study of anatomy and physiology assumes and describes a healthy body. select the description that does NOT explain why this approach is useful.
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Study of healthy body is less intimidating and more familiar new students.
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one of the descriptions below is from the perspective of anatomical study, the rest are from physiological perspective. select the description below that comes from an anatomical perspective.
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the innermost lining of the lungs is composed primarily of a thin tissue called simple squamous epithelium
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One of the descriptions below is from the perspective of physiological study, the rest are from an anatomical perspective. Select the description below that comes from physiological perspective.
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the contraction of smooth muscle in blood vessels (vasoconstriction)can reduce the flow of blood through the vessel
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prevention of water loss in a necessary function for life that would best fit in the category of _____.
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maintaining boundaries.
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Anabolic reactions are chemical reactions of the body that build things, make them bigger or more complex. Catabolic reactions break things down making them smaller or less complex. If the rate of anabolic reaction in the body is much faster than the rate of catabolic reactions which of the following necessary life function will be accomplished?
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growth
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which of the following best explanation for why cells are considered the smallest units of living things
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cells are the simplest structure to fit all of the characteristics necessary to be considered alive.
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anatomical position is important because _______.
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it allows a common point of reference for body position to help communicate anatomical relationships.
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positive feedback differs from negative feedback because ____.
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positive feedback tends to enhance the triggering stimulus while negative feedback tends to return to the body to a homeostatic balance or "ideal" level
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When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain (a region called the hypothalamus). The brain responds by releasing hormones to stimulate the production and the ejection of milk from the breast. This helps the newborn to receive nourishment and encourages more suckling. This example is best described as a ________.
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positive feedback
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Some of the nerve endings in the skin are sensitive to changes in temperature. They are part of a negative feedback mechanism regulating body temperature. These nerve endings represent a(n) ________ in the negative feedback mechanism.
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receptor
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You are asked to take a person's heart rate at the popliteal pulse point. You will look for this pulse ________.
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on the posterior side of the knee
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You are told to take an axillary temperature on a small child. You will place the thermometer ________.
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in the armpit
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You are asked to draw blood from the median cubital vein. You will search for this vein in the ________.
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anterior side of the elbow
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The thoracic cavity contains the ________. It is found ________ to the vertebral cavity.
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heart and lungs: anterior
