I\'m having trouble with these three questions, not sure about the first two at

Question

I'm having trouble with these three questions, not sure about the first two at all the third one I believe is hydrogen and potassium, seriously stuck though can't seem to find these in my book so would greatly appreciate help.

Which of the following changes will result in a decreased glomerular filtration rate?
A) Increased hydrostatic pressure in Bowman’s capsule
B) Decreased plasma colloid oncotic pressure
C) Increased arterial blood pressure
D) All of the above

Which of the following statements correctly describes a direct end-effect of the renin-angiotensin-aldosterone system?
A) Angiotensin II causes systemic vasoconstriction.
B) Aldosterone promotes the excretion of sodium and water in the renal tubules.
C) Renin promotes sodium and water reabsorption in the collecting tubules.
D) Aldosterone increases the permeability of the collecting tubules to water only.

Which of the following substances are actively secreted by the renal tubules?
A) Hydrogen and potassium
B) Sodium and chlorine
C) Bicarbonate and carbonic acid
D) Phosphate and calcium

Explanation / Answer

C., A., and A.

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