Nokea
Features differentiating renal tubular acidosis type II from type I include:
- A. Increased anion gap
- B. Nephrocalcinosis
- C. Urinary pH can be lowered < 5.5 in ammonium chloride loading test in type I
- D. Aminoaciduria
Correct Answer: C
Rationale: In type I renal tubular acidosis, urinary pH can be lowered below 5.5 during an ammonium chloride loading test, unlike in type II.
You may also like to solve these questions
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.
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.
Severe hypothermia in newborn is defined as temperature below
- A. 28° C
- B. 30° C
- C. 32° C
- D. 34° C
Correct Answer: A
Rationale: Severe hypothermia in newborns is defined as a core body temperature below 28° C, which is life-threatening and requires immediate intervention.
Which statement by a parent of an infant with congestive heart failure (CHF) who is being sent home on digoxin indicates the need for further education?
- A. I will give the medication at regular 12-hour intervals.
- B. If he vomits, I will not give a make-up dose.
- C. If I miss a dose, I will not give an extra dose.
- D. I will mix the digoxin in some formula to make it taste better.
Correct Answer: D
Rationale: Mixing digoxin with formula can lead to incomplete ingestion and inadequate dosing. Digoxin must be given in its entirety at the prescribed times.
Toddler's diarrhoea is characterised by:
- A. Onset over 18 months
- B. Failure to thrive
- C. Excessive consumption of cow's milk
- D. Undigested food particles in the stool
Correct Answer: D
Rationale: The correct answer is D because undigested food particles in the stool are a hallmark of toddler's diarrhoea. The other options (a, b, c, e) are less specific.