QuestionMay 19, 2026

Which characteristic is common to both myasthenic and cholinergic crises? A Diarrhea B Salivation C Difficulty breathing D Abdominal cramping

Which characteristic is common to both myasthenic and cholinergic crises? A Diarrhea B Salivation C Difficulty breathing D Abdominal cramping
Which characteristic is common to both myasthenic and cholinergic crises?
A Diarrhea
B Salivation
C Difficulty breathing
D Abdominal cramping

Solution
4.3(189 votes)

Answer

C Difficulty breathing Explanation 1. Identify symptoms of both crises Myasthenic crisis is due to under-medication or worsening of myasthenia gravis, leading to severe muscle weakness and respiratory failure. Cholinergic crisis is due to excessive acetylcholine from overmedication, also causing muscle weakness and respiratory failure. 2. Find common symptom Both crises share **difficulty breathing** due to respiratory muscle weakness, while gastrointestinal symptoms (diarrhea, salivation, cramping) occur mainly in cholinergic crisis.

Explanation

1. Identify symptoms of both crises <br /> Myasthenic crisis is due to under-medication or worsening of myasthenia gravis, leading to severe muscle weakness and respiratory failure. Cholinergic crisis is due to excessive acetylcholine from overmedication, also causing muscle weakness and respiratory failure. <br />2. Find common symptom <br /> Both crises share **difficulty breathing** due to respiratory muscle weakness, while gastrointestinal symptoms (diarrhea, salivation, cramping) occur mainly in cholinergic crisis.
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