Gross Physiology (Practice)

NBEO® Part 1 Full Length Test #1 - Gross Physiology (Practice)

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Optometry Board Practice Test for the NBEO^® Part 1

Full Length Test #1 – Gross Physiology

This test is comprised of 3 items.

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Gross Physiology: Kidney 0%
Gross Physiology: Pancreas 0%

Based on your performance on this Optometry Board Part 1 Practice Test, you’re not yet ready for the NBEO^® Part 1.

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Question 1 of 3

1. Question
In the proximal convoluted tubule, the Na/K ATPase drives NA+ ___ and K+ ___.
- A. Na+ out, K+ out
- B. Na+ out, K+ in
- C. Na+ in, K+ out
- D. Na+ in, K+ in
Correct

B. In the proximal convoluted tubule, the ATPases drive Na+ out into the interstitial space and K+ in to the proximal convoluted tubule for excretion. Water will follow the Na+

Incorrect

B. In the proximal convoluted tubule, the ATPases drive Na+ out into the interstitial space and K+ in to the proximal convoluted tubule for excretion. Water will follow the Na+
Question 2 of 3

2. Question
In opposition to the ascending limb of the loop of Henle, the descending limb is permeable to _____ and impermeable to _____.
- A. NaCl, water
- B. K+, Na+
- C. Na+, K+
- D. Water, NaCl
Correct

D. The descending limb of the loop of Henle is permeable to water and impermeable to NaCl. The opposite is true of the ascending limb.

Incorrect

D. The descending limb of the loop of Henle is permeable to water and impermeable to NaCl. The opposite is true of the ascending limb.
Question 3 of 3

3. Question
Which cells of the pancreas are responsible for production of glucagon?
- A. Alpha
- B. Beta
- C. Delta
- D. F cells
- E. Omega
Correct

A. Alpha cells within the Islet of Langerhans are responsible for production of glucagon. Beta cells produce insulin and amylin. Delta cells produce somatostatin. F cells produce pancreatic polypeptide.

Incorrect

A. Alpha cells within the Islet of Langerhans are responsible for production of glucagon. Beta cells produce insulin and amylin. Delta cells produce somatostatin. F cells produce pancreatic polypeptide.

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