These causes often cause secretory diarrhoea except:
- A. Lactose intolerance
- B. E. coli infection
- C. Congenital chloridorrhoea
- D. Blind loop syndrome
Correct Answer: A
Rationale: The correct answer is A because lactose intolerance causes osmotic diarrhoea, not secretory diarrhoea. The other options (b-e) are causes of secretory diarrhoea.
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A 2-month-old male presents with tachycardia, dyspnea, tachypnea, and a gallop rhythm with no heart murmur. He was perfectly well until 1 day prior to the episode. The physical examination reveals a heart rate of 235, a temperature of 37.8°C, and a normal blood pressure with warm, well-perfused extremities. The most likely diagnosis is
- A. sepsis
- B. supraventricular tachycardia
- C. ingestion
- D. ventricular tachycardia
Correct Answer: B
Rationale: Supraventricular tachycardia can cause rapid heart rates and heart failure in infants.
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.
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.
In the treatment of hypothyroidism in children:
- A. Levodopa is the treatment of choice
- B. Levothyroxine should be used
- C. Triiodothyronine is the first line treatment
- D. Carbimazole is indicated
Correct Answer: B
Rationale: Levothyroxine is the treatment of choice for hypothyroidism, as it replaces the deficient thyroid hormone and helps normalize metabolic functions.
A nurse cares for a client who has advanced cardiac disease and states, I am having trouble sleeping at night. How should the nurse respond?
- A. I will consult the provider to prescribe a sleep study to determine the problem.
- B. You become hypoxic while sleeping; oxygen therapy via nasal cannula will help.
- C. A continuous positive airway pressure, or CPAP, breathing mask will help you breathe at night.
- D. Use pillows to elevate your head and chest while you are sleeping.
Correct Answer: D
Rationale: Elevating the head and chest can reduce fluid accumulation in the lungs, improving breathing and sleep quality in clients with advanced cardiac disease.
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