Exam questionKROK 1Medicine ยท 2020
A person took a blocker drug, which resulted in an increased heart rate. When this peson's eyballs were pressed, the expected rellex induced dccrease in the heart rate did not occur What exactly was blocked by this drug in the pacemaker cells?
Answer options
- Alpha-1 adrenergic receptors
- Muscarinic acetylcholine receptors
- Fast Na' channcls
- L-type Ca channels
- Beta-1 adrenergic recepto the
Correct answer
Muscarinic acetylcholine receptors
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