Triggers of the alternate pathway of complement are:
- A. Bacterial lipopolysaccharide
- B. Interleukin 2
- C. Macrophages
- D. Properdin
Correct Answer: A
Rationale: The correct answer is A because bacterial lipopolysaccharide is a known trigger of the alternate complement pathway. The other options (b-e) are not primary triggers.
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Malabsorption may be seen in:
- A. Ischaemia of the gut
- B. Giardiasis
- C. Lymphoma of the ileum
- D. Chronic lead poisoning
Correct Answer: B
Rationale: Giardiasis, caused by the parasite Giardia lamblia, is a well-known cause of malabsorption.
Which of the following is an example of humanized anti-human IL-6 receptor monoclonal antibody?
- A. Infliximab
- B. Adalimumab
- C. Tocilizumab
- D. Anakinra
Correct Answer: C
Rationale: Tocilizumab is a humanized monoclonal antibody that targets the IL-6 receptor, used in treating inflammatory conditions.
The following cranial nerves carry pre-ganglionic parasympathetic nerves:
- A. Oculomotor nerve
- B. Trigeminal nerve
- C. Facial nerve
- D. Vagus nerve
Correct Answer: D
Rationale: The vagus nerve carries parasympathetic fibers. The oculomotor, trigeminal, and facial nerves do not.
Which plan would be appropriate in helping to control congestive heart failure (CHF) in an infant?
- A. Promoting fluid restriction
- B. Feeding a low-salt formula
- C. Feeding in semi-Fowler position
- D. Encouraging breast milk
Correct Answer: C
Rationale: Feeding in a more upright position helps fluid drain from the lungs, improving breathing and reducing cardiac workload.
Treatment options in the management of an intussusception include:
- A. Contrast enema
- B. Air enema
- C. Water enema
- D. Open surgery
Correct Answer: B
Rationale: Air enema is a common non-surgical treatment for intussusception. Contrast enema and open surgery are also options, but air enema is often preferred.