Generally, most water reabsorption in a nephron occurs at the
A. proximal convoluted tubule and is called facultative water reabsorption.
B. nephron loop and is called obligatory water reabsorption.
C. nephron loop and is called facultative water reabsorption.
D. proximal convoluted tubule and is called obligatory water reabsorption.
Answer: D
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Adrenal cortex dysfunction, including adrenocortical insufficiency and hyperadrenocorticism, can be diagnosed by a. supplementing with desoxycorticosterone
b. supplementing with o,p?-DDD. c. clinical signs. d. measuring cortisol levels before and after administration of ACTH.
Parasympathetic postganglionic fibers
a. arise from the ganglion chain located along either side of the spinal cord b. are cholinergic c. secrete a chemical messenger that binds to muscarinic receptors d. have characteristics a and b e. have characteristics b and c
On the average, about half of the body heat that is lost is due to loss by
a. radiation. b. convection. c. conduction. d. evaporation. e. none of these answers.
When an atom gains one or more electrons, it ________.
A. has no change in its charge B. is called an anion C. becomes positively charged D. is called a cation