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ATI LPN · Anatomy and Physiology · Multiple Choice Questions On Urinary System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A patient takes a drug overdose and becomes comatose. His blood pCOâ‚‚ was 40 mmHg ten minutes ago, but you discover it is now 80 mmHg. Which one of the following statements about this patient is correct.

A. the pH of his CSF is likely to fall more slowly than the pH of his blood
B. the pH of his blood is likely to fall more slowly than the pH of his CSF
C. the pH of the blood and CSF will not change because he will rapidly eliminate bicarbonate in the urine in response to the rise in pCOâ‚‚
D. the pH of the blood and CSF will change to a similar degree in this time period

Expert Explanatory Rationale

Correct Answer: the pH of his blood is likely to fall more slowly than the pH of his CSF

Question 2 of 5

After teaching a client with bacterial cystitis who is prescribed phenazopyridine (Pyridium), the nurse assesses the client's understanding. Which statement made by the client indicates a correct understanding of the teaching?

A. I will not take this drug with food or milk.'
B. If I think I am pregnant, I will stop the drug.'
C. An orange color in my urine should not alarm me.'
D. I will drink two glasses of cranberry juice daily.'

Expert Explanatory Rationale

Correct Answer: An orange color in my urine should not alarm me.'

Question 3 of 5

Metabolic acidosis occurs in the oliguric phase of acute renal failure as a result of impaired

A. Ammonia synthesis
B. Excretion of sodium
C. Excretion of bicarbonate
D. Conservation of potassium

Expert Explanatory Rationale

Correct Answer: Ammonia synthesis

Question 4 of 5

Vigorous exercise could release high amounts of into the urine.

A. Glucose
B. Uric acid
C. Albumin
D. Ascorbic acid

Expert Explanatory Rationale

Correct Answer: Albumin

Question 5 of 5

Which laboratory results indicate compensated metabolic alkalosis?

A. Low PCO₂, normal HCO₃⁻, high pH
B. Low PCO₂, low HCO₃⁻, low pH
C. High PCO₂, normal HCO₃⁻, low pH
D. High PCO₂, high HCO₃⁻, high pH

Expert Explanatory Rationale

Correct Answer: High PCO₂, high HCO₃⁻, high pH