In comparison to the distal tubule, the proximal tubule has a
A) leakier epithelium and a larger apical surface area.
B) tighter epithelium and a larger apical surface area.
C) leakier epithelium and is more responsive to hormones.
D) tighter epithelium and is more responsive to hormones.
E) small apical surface area and is more responsive to hormones.
Answer: A) leakier epithelium and a larger apical surface area.
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The optic disc is a blind spot because
A) there are no photoreceptors in that area. B) the retina lacks nerves in the optic disc. C) humans are unable to focus light on that area of the retina. D) the vitreous body is too thick in this area for the passage of light. E) the fovea prevents light from striking the optic disc.
The most abundant electrolytes (ions) in the plasma are __________ and __________
Fill in the blank(s) with correct word
A friend just started taking Zoloft (an SSRI) and is experiencing an upset stomach and diarrhea. Your friend asks if the drug is causing her symptoms and you respond:
a. Yes, because the drug is irritating her stomach lining and that explains her symptoms. b. Yes, because serotonin is located both in the brain and the digestive tract, so the drug is altering digestive system functioning. c. No, because the drug is supposed to elevate mood and affect brain function, and it shouldn't have any effect on the digestive system. d. No, because the drug is quickly absorbed from the digestive tract and does not remain in the digestive system long enough to have any effect there.
List the five methods of birth control and provide at least one example of each method
What will be an ideal response?