Nokea
Early features of heart failure in infancy include:
- A. Bradycardia
- B. Oedema
- C. Tachypnoea
- D. Hepatomegaly
Correct Answer: C
Rationale: Tachypnoea is an early indicator of heart failure in infants, as the body tries to compensate for reduced oxygenation by increasing the respiratory rate.
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Common reasons for doing a BMT in children are:
- A. SCID (severe combined immunodeficiency)
- B. Acute lymphoblastic leukemia
- C. CML
- D. Gaucher's disease
Correct Answer: A
Rationale: The correct answer is A because SCID is a primary indication for bone marrow transplant (BMT) in children. The other options (b-e) are also indications but less common.
A child has an elevated antistreptolysin O (ASO) titer. Which combination of symptoms, in conjunction with this finding, would confirm a diagnosis of rheumatic fever?
- A. Subcutaneous nodules and fever
- B. Painful, tender joints, and carditis
- C. Erythema marginatum and arthralgia
- D. Chorea and elevated sedimentation rate
Correct Answer: B
Rationale: The presence of two major Jones criteria would indicate a high probability of rheumatic fever.
Which is the incorrect statement regarding effect of dobutamine infusion in patients with heart failure
- A. Left ventricular end diastolic pressure decreases
- B. Mean arterial pressure decreases slightly due to interplay of actions on alpha 1 and alpha 2 receptors
- C. Left ventricular end systolic volume decreases
- D. There is increased myocardial oxygen demand
Correct Answer: B
Rationale: Mean arterial pressure typically increases, not decreases, with dobutamine infusion due to its inotropic effects.
The clinic nurse reviews the record of a child just seen by the health care provider and diagnosed with suspected aortic stenosis. The nurse expects to note documentation of which clinical manifestation specifically found in this disorder?
- A. Pallor
- B. Hyperactivity
- C. Exercise intolerance
- D. Gastrointestinal disturbances
Correct Answer: C
Rationale: Exercise intolerance is a common clinical manifestation of aortic stenosis due to the heart's inability to pump sufficient blood during increased physical activity.
The most common cause of bacterial meningitis in children under 5 years is:
- A. Neisseria meningitidis
- B. Haemophilus influenzae
- C. Streptococcus pneumoniae
- D. Listeria monocytogenes
Correct Answer: C
Rationale: Streptococcus pneumoniae is the leading cause of bacterial meningitis in children under 5 years, especially in those who are not immunized.