Question 2 In order for a substance to be passively reabsorbed via diffusion acr
ID: 47252 • Letter: Q
Question
Question 2
In order for a substance to be passively reabsorbed via diffusion across the tubular membrane, it must _______________ and _______________.
maintain a concentration gradient : be permeable
be permeable : have a carrier protein available
have energy (ATP) available : maintain a concentration gradient
maintain a concentration gradient : have a carrier protein available
2 points
Question 3
What stimulates the release of atrial natriuretic peptide?
Renin
Distension of the atrial wall due to anincrease in blood pressure
Changes in the concentration of potassium in the blood of the ventricle
Changes in the concentration of sodium in the blood of the ventricle
2 points
a.maintain a concentration gradient : be permeable
b.be permeable : have a carrier protein available
c.have energy (ATP) available : maintain a concentration gradient
d.maintain a concentration gradient : have a carrier protein available
Explanation / Answer
answer 2-d
answer 3- a
answer 4- d
answer 5- a
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