Which substances are secreted by pancreatic islet cells? select all that apply.
a) glucagon
b) trypsin
c) somatostatin
d) insulin
e) amylase
Ans:
a) glucagon
c) somatostatin
d) insulin
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Cortisol, a lipid-soluble hormone is released into the blood. Predict what cortisol might do
A. can dissolve in the blood as free hormone B. needs fenestrated capillaries to move out of the blood stream C. readily diffuses through capillary wall D. rapidly degraded by proteases in the bloodstream E. may have carbohydrates attached to give a longer half-life
Under resting conditions:
a. heart rate is dominated by sympathetic activity b. heart rate is dominated by parasympathetic activity c. acetylcholine suppresses NE release d. both (a) and (c) e. both (b) and (c)
________ disorders stiffen the lungs and reduce their compliance.
Fill in the blank(s) with the appropriate word(s).
Expiratory capacity (EC) is the sum of ________ and ________.
A. inspiratory reserve volume (IRV); expiratory reserve volume (ERV) B. tidal volume (TV); inspiratory reserve volume (IRV) C. expiratory reserve volume (ERV); residual volume (RV) D. tidal volume (TV); residual volume (RV) E. tidal volume (TV); expiratory reserve volume (ERV)