Neuromuscular MCQ

Question 1

1. Neuromuscular disorders can be associated with:

(a) Autonomic dysfunction.

(b) Fibrotic lung disease.

(c) Obstructive sleep apnoea.

(d) Heart block.

(e) Gastric stasis.

Question 2

2. Complications of neuromuscular disorders include:

(a) Hyperkalaemia.

(b) Hypothermia.

(c) Muscle rigidity.

(d) Alkalosis.

(e) Reduced creatine kinase (CK) concentration.

Question 3

3. Myotonic reactions:

(a) Are always associated with malignant hyperthermia.

(b) Are due to reduced sodium influx.

(c) Can be triggered by succinylcholine.

(d) May be painful.

(e) Can be triggered by opioids.

Question 4

4. Treatment of myotonic reactions can include:

(a) Treating the precipitant.

(b) Dantrolene.

(c) Class III anti-arrhythmic agents.

(d) Alkalinization of urine.

(e) Analgesia.

Question 5

5. Regarding Duchenne muscular dystrophy:

(a) It is the most common childhood neuromuscular disorder.

(b) It is an autosomal dominant condition.

(c) Cardiomyopathy is common.

(d) Distal muscles are affected by wasting and weakness.

(e) Depolarizing muscle relaxants can be used safely.

Question 6

6. Regarding myotonia congenital:

(a) It is an X-linked disease.

(b) Symptoms result as the consequence of an abnormal sodium channel.

(c) Widespread muscle hypertrophy occurs.

(d) Topical administration of local anaesthetic may aid relaxation of muscle contractures.

(e) It is a pre-junctional disorder.

Question 7

7. Neuromuscular junction disorders:

(a) Include myasthenia gravis.

(b) Can be worsened by antibiotic administration.

(c) Can be associated with malignancy.

(d) Can show sensitivity to non-depolarizing muscle relaxants.

(e) May be treated with cholinesterase inhibitors.

Question 8

8. Critical illness polyneuropathy (CIP):

(a) Characteristically involves the cranial nerves.

(b) Occurs due to axonal degeneration.

(c) Is associated with patients who have had multi-organ failure.

(d) Can be treated with high-dose steroids.

(e) Is rare in intensive care patients.