When a hormone is present in excessive levels, the number of target-cell receptors may decrease. This is called
a) receptor recognition.
b) sensory adaptation.
c) paracrine regulation.
d) up-regulation.
e) down-regulation.
e
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The parietal and visceral epithelia of the glomerular capsule are separated by (the)
A) renal column. B) lobar space. C) capsular space. D) vascular pole. E) None of the answers are correct.
Blood pressure is ________
A) generally measured in veins B) the pressure of the blood against the blood vessel walls C) a number that is the average of the systolic and diastolic pressures D) the pressure of the blood against the blood vessel walls, generally measured in veins, and a number that is the average of the systolic and diastolic pressures
Which of the following is most likely to be a cause of hypotension?
A. an increase in blood volume B. sweating, vomiting, or emotional responses C. decreased firing of the arterial baroreceptors D. increased release of epinephrine by the adrenal medulla E. a sudden decrease in firing of the parasympathetic nervous system
The cerebrum develops from the embryonic region called the ________.
A. metencephalon B. mesencephalon C. diencephalon D. telencephalon E. rhombencephalon