ATI LPN
Questions on the Urinary System Questions
Question 1 of 5
A nurse reviews these laboratory values of a client who returned from kidney transplantation 12 hours ago: Sodium 136 mEq/L, Potassium 5 mEq/L, Blood urea nitrogen (BUN) 44 mg/dL, Serum creatinine 2.5 mg/dL. What initial intervention would the nurse anticipate?
Correct Answer: C
Rationale: Elevated BUN and creatinine suggest rejection; more immunosuppression may help.
Question 2 of 5
Albuminuria is characterized by:
Correct Answer: B
Rationale: Albuminuria means protein, specifically albumin, is present in the urine.
Question 3 of 5
How are cortical nephrons different from juxtamedullary nephrons?
Correct Answer: A
Rationale: Cortical nephrons stay in cortex, unlike juxtamedullary ones.
Question 4 of 5
Which of the following mechanisms operates in the nephron to maintain pH balance in the body?
Correct Answer: B
Rationale: Hydrogen secretion and bicarbonate reabsorption regulate pH.
Question 5 of 5
Which type of anti-hypertensive drug aims to prevent vasoconstriction?
Correct Answer: D
Rationale: Calcium channel blockers prevent muscle contraction, reducing vasoconstriction.