Postganglionic neuron cell bodies of the autonomic nervous system have which category of neurotransmitter receptor?
A. Muscarinic acetylcholine receptors
B. Adrenergic receptors
C. Dopamine receptors
D. Serotonin receptors
E. Nicotinic acetylcholine receptors
Answer: E
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Compare obligatory water reabsorption with facultative water reabsorption
A) Obligatory water reabsorption cannot be prevented, whereas facultative water reabsorption can be precisely controlled. B) Obligatory water reabsorption can be precisely controlled, whereas facultative water reabsorption cannot be prevented. C) Obligatory water reabsorption occurs in the distal convoluted tubule under control of ADH, whereas facultative water reabsorption occurs in the proximal convoluted tubule following the osmotic gradient. D) Obligatory water reabsorption occurs in the ascending limb of the nephron loop, whereas facultative water reabsorption occurs in the descending limb of the nephron loop. E) Obligatory water reabsorption is responsible for regulating the final concentration and volume of water lost in urine, whereas facultative water reabsorption is responsible for about 85 percent of water reabsorbed out of the filtrate.
The genetically unique carbohydrate coat that enables the cell to identify "self " from "non-self " is the ________.
A. glycocalyx B. basement membrane C. cytoskeleton D. plasma membrane E. serosa
The superior part of the sternum is called the
A) apex. B) xiphoid. C) coccyx. D) manubrium. E) head.
How many moles of ATP are required to produce one mole of urea?
A) 1 B) 5 C) 10 D) 50