Which of the following is a vasodilator?
- A. Thromboxane A2
- B. Endothelin
- C. Prostaglandin E2
- D. Urotensin II
Correct Answer: C
Rationale: Prostaglandin E2 is a vasodilator.
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SVT in children differ from physiologic sinus tachycardia by all the following EXCEPT
- A. sudden onset and termination
- B. persistent ventricular rate of >180 bpm
- C. fixed RR interval on ECG
- D. evident change in heart rate with activity
Correct Answer: D
Rationale: Physiologic sinus tachycardia can show changes in heart rate with activity, unlike SVT which has a fixed rate.
The most common coronary artery anomaly in Tetralogy of Fallot is
- A. Left anterior descending artery from right aortic sinus
- B. Single coronary artery from right aortic sinus
- C. Single coronary artery from left aortic sinus
- D. Left circumflex coronary artery from right aortic sinus
Correct Answer: A
Rationale: The most common coronary artery anomaly in Tetralogy of Fallot is the left anterior descending artery arising from the right aortic sinus.
Concerning insulin-dependent diabetes mellitus in children:
- A. Microangiopathic changes are rare before puberty
- B. Isophane is shorter acting than soluble insulin
- C. Lipohypertrophy is more common than lipo-atrophy
- D. Fructosamine can be used to monitor glucose control
Correct Answer: A
Rationale: Microangiopathic changes are indeed rare before puberty in children with insulin-dependent diabetes mellitus. Isophane is not shorter acting than soluble insulin, and fructosamine is used to monitor glucose control.
A client with carcinoma of the lung is complaining of weakness and has a serum sodium level of 117 mEq/L. Which nursing problem should the nurse include in this client's plan of care?
- A. Altered urinary elimination
- B. Impaired gas exchange
- C. Fluid volume excess
- D. Decreased cardiac output
Correct Answer: C
Rationale: Hyponatremia (low sodium level) is often associated with fluid volume excess in clients with lung carcinoma.
Which assessment indicates that the parent of a 7-year-old is following the prescribed treatment for congestive heart failure (CHF)?
- A. HR of 56 beats per minute
- B. Elevated red blood cell count
- C. 50th percentile height and weight for age
- D. Urine output of 0.5 cc/kg/hr
Correct Answer: C
Rationale: Normal growth (50th percentile) indicates good nutrition and overall health, suggesting that CHF is well controlled.