Nokea
Which among the following is not a feature of low flow - low gradient severe aortic stenosis with preserved left ventricular function?
- A. Mean trans aortic pressure gradient < 40 mm Hg
- B. Aortic valve area < 1 cm²
- C. Stroke volume > 35 ml/m²
- D. Left ventricular ejection fraction > 50%
Correct Answer: C
Rationale: Stroke volume is typically reduced, not increased, in low flow - low gradient severe aortic stenosis.
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The nurse is providing discharge instructions to a client who is receiving prednisone (Deltasone) 5 mg PO daily for a rash due to contact with poison ivy. Which symptom should the nurse tell the client to report to the healthcare provider?
- A. Rapid weight gain
- B. Increased energy levels.
- C. Frequent headaches.
- D. Dry mouth.
Correct Answer: A
Rationale: Rapid weight gain may indicate fluid retention, a side effect of prednisone that requires medical evaluation.
Paediatric HIV infection:
- A. Is similar to adult HIV infection except for the mode of transmission
- B. Antenatal screening of pregnant women is not of proven benefit
- C. Developmental delay is a recognised presentation
- D. In an infant, the diagnosis is established first before any management steps are undertaken
Correct Answer: C
Rationale: Developmental delay is a recognized presentation of paediatric HIV infection, reflecting the impact of the virus on the developing nervous system.
All of the following are part of acute aortic syndrome, except
- A. Aortic dissection
- B. Acute aortic regurgitation
- C. Intramural hematoma
- D. Penetrating atherosclerotic ulcer
Correct Answer: B
Rationale: Acute aortic regurgitation is not typically considered part of acute aortic syndrome.
Which is best described as the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures?
- A. Pulmonary congestion
- B. Congenital heart defect
- C. Heart failure
- D. Systemic venous congestion
Correct Answer: C
Rationale: The definition of heart failure is the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures to meet the body’s metabolic demands. Pulmonary congestion is an excessive accumulation of fluid in the lungs. Congenital heart defect is a malformation of the heart present at birth. Systemic venous congestion is an excessive accumulation of fluid in the systemic vasculature.
A 6-month-old presents with tachycardia, tachypnea, and poor feeding for 3 months. Physical examination reveals a continuous machinery murmur and a wide pulse pressure with a prominent apical impulse. The most likely diagnosis is
- A. pulmonic stenosis
- B. aortic stenosis
- C. ventricular septal defect
- D. patent ductus arteriosus
Correct Answer: D
Rationale: Patent ductus arteriosus causes a continuous machinery murmur and wide pulse pressure.