Nokea
The tricuspid valve is in closed position corresponding to which of the following curves of central venous pressure:
- A. a' wave
- B. x descent
- C. x' descent
- D. y descent
Correct Answer: B
Rationale: The tricuspid valve is closed during the x descent of the central venous pressure curve.
You may also like to solve these questions
Initial tests in a 2-year-old child with failure to thrive include:
- A. Thyroid function tests
- B. Sweat test
- C. Urine culture
- D. Colonoscopy
Correct Answer: B
Rationale: a sweat test is crucial for diagnosing cystic fibrosis, a common cause of failure to thrive in children. The other tests (a-d) are less specific and not typically first-line for this presentation.
The following tests are routine in the management of an epileptic on carbamazepine:
- A. Blood counts
- B. Serum levels
- C. Liver function tests
- D. Renal function tests
Correct Answer: C
Rationale: Liver function tests are routinely monitored in patients taking carbamazepine due to the risk of liver toxicity, which can occur with prolonged use.
The following are causes of congestive heart failure and cardiomegaly during the newborn period but no murmur EXCEPT
- A. endocardial fibroelastosis
- B. asphyxia
- C. glycogen storage disease (Pompe disease)
- D. sepsis
Correct Answer: D
Rationale: Sepsis can cause heart failure and cardiomegaly but often presents with other systemic signs.
A client returns to the unit following a suprapubic prostatectomy. He has a three-way catheter in place with a continuous bladder irrigation infusing. Which assessment finding warrants immediate intervention by the nurse?
- A. True urinary output of 50ml/hr
- B. Lower abdominal tenderness
- C. Blood urine output with clots
- D. Urine leaking around the meatus
Correct Answer: D
Rationale: Urine leaking around the meatus may indicate catheter displacement or obstruction, requiring immediate attention to prevent complications.
A client with acute renal injury (AKI) who weighs 50 kg and has a potassium level of 6.7 mEq/L (6.7 mmol/l) is admitted to the hospital. Which prescribed medication should the nurse administer first?
- A. Sevelamer (RenaGel) one tablet PO.
- B. Epoetin alfa, recombinant (Epogen) 2,500 units SUBQ
- C. Sodium polystyrene (Kayexalate) 15 grams PO
- D. Calcium acetate (Phos-Lo) one tablet PO
Correct Answer: C
Rationale: Sodium polystyrene (Kayexalate) helps remove excess potassium, which is the priority concern in AKI with elevated potassium.