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Questions and Answers
What is the effect of the antianginal medication on cGMP levels in vascular smooth muscle?
What is the effect of the antianginal medication on cGMP levels in vascular smooth muscle?
- Increases cGMP levels (correct)
- Uncouples cGMP from vascular smooth muscle
- Has no effect on cGMP levels
- Decreases cGMP levels
What is the mechanism of action of the antianginal medication that increases cGMP levels?
What is the mechanism of action of the antianginal medication that increases cGMP levels?
- Inhibition of phosphodiesterase (correct)
- Release of epinephrine
- Release of nitric oxide
- Blockade of potassium channels
What is the primary action of the antianginal medication on vascular smooth muscle?
What is the primary action of the antianginal medication on vascular smooth muscle?
- Relaxation (correct)
- Constriction
- Hyperpolarization
- Depolarization
Which of the following is NOT a mechanism of action of the antianginal medication?
Which of the following is NOT a mechanism of action of the antianginal medication?
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What is the effect of increased cGMP levels in vascular smooth muscle?
What is the effect of increased cGMP levels in vascular smooth muscle?
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Study Notes
Antianginal Medication
- Antianginal medication increases cGMP levels in vascular smooth muscle.
- This is achieved by inhibiting phosphodiesterase, which increases cGMP levels.
- The medication does not work by blocking calcium channels, releasing nitric oxide, or blocking β-adrenoreceptors.
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