Nokea
In childhood asthma:
- A. Over 90% of patients show exercise-induced bronchoconstriction
- B. Hypercapnia is the first physiological disturbance in status asthmaticus
- C. Infants are unresponsive to bronchodilators
- D. Spontaneous cure occurs before adolescence
Correct Answer: D
Rationale: Spontaneous cure before adolescence is a recognized phenomenon in childhood asthma, though not all cases resolve. Other options are incorrect: exercise-induced bronchoconstriction is common but not universal, hypercapnia occurs late in status asthmaticus, and infants do respond to bronchodilators.
You may also like to solve these questions
Dome and dart P wave in lead V1 in electrocardiogram is suggestive of which of the following?
- A. Dextrocardia
- B. Left atrial ectopic rhythm
- C. Biatrial enlargement
- D. Mitral stenosis
Correct Answer: C
Rationale: The dome and dart P wave morphology is characteristic of biatrial enlargement, often seen in conditions like mitral stenosis and atrial fibrillation.
Among the following Group A beta hemolytic streptococcus has the highest resistance to
- A. Cephalexin
- B. Clindamycin
- C. Erythromycin
- D. Doxycycline
Correct Answer: C
Rationale: Group A beta hemolytic streptococcus has shown the highest resistance to erythromycin.
Complement C3 levels are decreased in:
- A. Systemic lupus erythematoses
- B. Henoch-Schoenlein purpura
- C. Haemolytic uraemic syndrome
- D. Type II membrano-proliferative glomerulonephritis
Correct Answer: A
Rationale: Decreased C3 levels are characteristic of systemic lupus erythematosus due to immune complex deposition and complement consumption.
Displacement of apex to anterior axillary line
- A. TOF
- B. Truncus arteriosus
- C. Hypoplastic left heart syndrome
- D. TAPVD
Correct Answer: B
Rationale: Truncus arteriosus typically shows displacement of the apex to the anterior axillary line.
Severe pulmonary valve stenosis is defined as a peak gradient of
- A. >40 mm Hg
- B. >45 mm Hg
- C. >50 mm Hg
- D. >55 mm Hg
Correct Answer: C
Rationale: Severe pulmonary valve stenosis is generally defined as a peak gradient >50 mm Hg.