A cell's or tissue's response to a hormone primarily depends on ________ and ________.
Fill in the blank(s) with the appropriate word(s).
cell receptors, signal transduction pathways
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Respiratory physiology is primarily the study of
A. the tissue composition of the airways, air sacs, and blood vessels. B. how gases are transferred between the lungs and the blood vessels supplying them. C. the branching pattern of the small airways of the lungs. D. cell shape within the alveoli of the lungs.
The limbic system of the brain is involved in
a. the control of movements involving the extremities, such as arm gestures. b. the control of innate behaviors. c. the response to hunger. d. the response to fatigue. e. none of these.
All of the following are true of the primary response of humoral immunity except that
A) it depends on antigen triggering the appropriate B cell. B) it requires B cell differentiation into plasma cells. C) it depends on memory B cells. D) circulating antibodies undergo a gradual, sustained rise. E) it peaks 1 to 2 weeks after the initial exposure.
Cardiac output equals the
A. end diastolic volume minus end systolic volume. B. blood pressure multiplied by heart rate. C. heart rate multiplied by stroke volume. D. stroke volume divided by heart rate. E. cardiac reserve minus the stroke volume.