The intramuscular administration of 0.6 mg of atropine sulphate to a 50 - kg adult may produce all of the following effects except_____________?
Correct answer: A. Bradycardia
- A. Bradycardia
- B. Decreased Salivation
- C. Decreased Sweating
- D. Mydriasis
Explanation
Atropine blocks muscarinic vagal effects, causing dry mouth, reduced sweating and mydriasis; at usual doses it tends to produce tachycardia rather than bradycardia. Transient bradycardia can occur with very low doses, but it is the exception here.
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