Short-loop negative feedback occurs when hormones from the ______________ inhibit hormone secretion by the ______________
A. hypothalamus; anterior pituitary
B. adrenal cortex; hypothalamus
C. anterior pituitary; hypothalamus
D. adrenal cortex; anterior pituitary
E. anterior pituitary; adrenal cortex
C
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Which of the following is true about the actions of the sodium-potassium pump?A) The Na+/K+ pump directly uses ATPB) The Na+/K+ pump creates an electrical disequilibrium.C) The Na+/K+ pump creates chemical disequilibrium.D) It is expressed only on select cell typesE) The Na+/K+ pump is an example of counter transport.
What will be an ideal response?
During exercise, our vessels constrict and vessel radius decreases. What impact does a decreased vessel radius have on blood flow?
A) Blood flow remains the same. B) Blood flow decreases. C) Blood flow increases. D) Vessel radius has no impact on blood flow.
Which bone bears the superior and inferior temporal lines?
A. Temporal B. Occipital C. Parietal D. Frontal E. Zygomatic
The thymus gland secretes hormones called _____ that _______
A) thyroxines; control metabolism B) melatonins; control circadian rhythms C) thymosins; control production and differentiation of white blood cells D) prostaglandins; control strength