Nokea
In congenital hypertrophic pyloric stenosis:
- A. Conjugated hyperbilirubinaemia may be seen
- B. Hypokalaemia is due to vomiting
- C. Blood pH is high and urinary pH is low
- D. First-born males are commonly affected
Correct Answer: B
Rationale: Hypokalaemia in congenital hypertrophic pyloric stenosis is typically due to the loss of potassium through vomiting.
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A nurse assesses a client who is scheduled for a cardiac catheterization. Which assessment should the nurse complete before this procedure?
- A. Client’s level of anxiety
- B. Ability to turn self in bed
- C. Cardiac rhythm and heart rate
- D. Allergies to iodine-based agents
Correct Answer: D
Rationale: Assessing for allergies to iodine-based agents is critical before cardiac catheterization, as contrast dye used during the procedure may cause an allergic reaction.
The following drugs are given by subcutaneous route:
- A. Human GH
- B. Insulin
- C. Human erythropoietin
- D. Hepatitis B vaccine
Correct Answer: A
Rationale: The correct answer is A because human growth hormone (GH) is commonly administered subcutaneously. The other options (b-e) are also given subcutaneously, but GH is the most relevant in this context.
The following drugs may cause long Q-T syndromes (LQTS) EXCEPT
- A. trimethoprim/sulfamethoxazole
- B. erythromycin
- C. imipramine
- D. pentostam
Correct Answer: D
Rationale: Pentostam is not known to cause long Q-T syndromes.
The severity of symptoms of Ebstein anomaly and the degree of cyanosis are high and depend on the extent of
- A. displacement of the tricuspid valve
- B. cardiac dysrhythmias
- C. atrial right-to-left shunt
- D. pulmonary vascular resistance
Correct Answer: A
Rationale: Displacement of the tricuspid valve is a key determinant of symptom severity in Ebstein anomaly.
What is the Duke Treadmill score for a patient who exercised for 10 minutes (12 METS) and had a maximum of 1 mm ST depression at peak exercise without angina?
- A. 5
- B. 7
- C. 9
- D. 10
Correct Answer: C
Rationale: The Duke Treadmill score is calculated based on exercise duration