Nokea
The causes of elevated maternal serum AFP are:
- A. Trisomy 21
- B. Exomphalos
- C. Marfan syndrome
- D. Meningomyelocele
Correct Answer: D
Rationale: Elevated maternal serum alpha-fetoprotein (AFP) is associated with neural tube defects such as meningomyelocele, due to leakage of AFP into the amniotic fluid.
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The nurse is caring for a child with acute glomerulonephritis. Which of the following would most likely indicate that the child’s condition is improving?
- A. Increased urine output with normal color and consistency
- B. Decrease in the blood pressure
- C. A reduction in protein levels in the urine
- D. A decrease in hematuria
Correct Answer: A
Rationale: Improved renal function is indicated by increased urine output and the return of urine to normal color and consistency.
Superior axis in ECG seen in
- A. AV canal defects
- B. Ebstein anomaly
- C. Tricuspid atresia
- D. Single ventricle
Correct Answer: B
Rationale: Ebstein's anomaly causes superior axis deviation on ECG.
A client with chronic kidney disease (CKD) arrives at the clinic reporting shortness of breath on exertion and extreme weakness. Vital signs are temperature 100.4°F (38°C), heart rate 110 beats/minute, respirations 28 breaths/minute, and blood pressure 175/98 mmHg. The client usually receives dialysis three times a week but missed the last treatment. STAT blood specimens are sent to the laboratory for analysis. Which laboratory results should the nurse report to the healthcare provider immediately?
- A. Potassium 6.5 mEq/L (mmol/L)
- B. Potassium 6 mEq/L (mmol/L)
- C. Potassium 0.5 mEq/L (mmol/L)
- D. Potassium 1.5 mEq/L (mmol/L)
Correct Answer: A
Rationale: Elevated potassium levels in CKD clients can lead to life-threatening arrhythmias, so this result needs immediate intervention.
Vitamin used in the treatment of transient tyrosinemia of newborn?
- A. Vitamin A
- B. Vitamin K
- C. Vitamin E
- D. Vitamin C
Correct Answer: D
Rationale: Vitamin C is used to treat transient tyrosinemia due to its role in tyrosine metabolism.
An 8-year-old from the former Soviet Union is brought to your office because of a heart murmur and dusty blue skin. He has marked clubbing of his fingers and toes, and his hematocrit is 70%. He has a grade 4/6 holosystolic murmur. His chest x-ray reveals a normal pulmonary blood flow as well as a right-sided aortic arch. What is the likely diagnosis?
- A. total anomalous venous return
- B. tetralogy of Fallot
- C. Eisenmenger syndrome
- D. transposition of the great vessels
Correct Answer: C
Rationale: Eisenmenger syndrome involves reversal of shunt direction due to long-standing pulmonary hypertension, explaining the cyanosis and clubbing.