Target organs respond to water-soluble hormones because of the presence of __ on the cell membrane surface.
A. ATP
B. calcium
C. cAMP
D. specific receptors
Answer: D. specific receptors
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Citrus fruit is a good source of fat-soluble vitamins.
Answer the following statement true (T) or false (F)
Drawbacks of oral administration are:
a. Gastric pH b. Enhanced bioavailability c. GI transit time d. A and C e. All of the above
When is the generation of an action potential impossible, no matter the strength of the stimulus?
A) absolute refractory period B) threshold C) depolarization D) relative refractory period
If using a bulb-style esophageal detector device to assist you in confirming proper ET tube placement, you should expect the bulb to:
A) inflate slowly when you let go of it. B) refill briskly if the tube is in the trachea. C) stay collapsed if the tube is in the trachea. D) expand quickly if the tube is in the esophagus.