When blood volume becomes abnormally low all of the following occur except:
a. sodium reabsorption is increased
b. concentrated urine is formed
c. renin release is increased
d. aldosterone is secreted by the kidney.
e. vasopressin levels rise
D
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A newborn has a CT scan of the brain to identify a cause of seizures. The scan showed no convolutions (gyri) of the cerebral cortex. She has
A. spina bifida. B. leakage of cerebrospinal fluid. C. anencephaly. D. lissencephaly.
A motor neuron is an example of a type of
A) Afferent neuron. B) Efferent neuron. C) Interneuron. D) Sensory neuron.
Which chemical messenger increases food intake?
a. orexin b. melanin c. ACTH d. CRH e. Insulin
Major calyces are
A) large tributaries of the renal pelvis. B) expanded ends of nephrons. C) basic functional layers of the kidney. D) conical structures that are located in the renal medulla. E) the expanded ends of renal pyramids.