Albuterol (Proventil, Ventolin) is a (an):
- A) Alpha receptor antagonist
- B) Alpha receptor agonist
- C) Beta receptor antagonist
- D) Beta receptor agonist***
- E) Alpha and Beta receptor agonist.
Albuterol (Proventil, Ventolin) is a beta receptor agonist.
Beta receptor agonists are a class of drugs that work by stimulating beta receptors. Beta receptors are found in a variety of tissues throughout the body, including the lungs, heart, and blood vessels. When beta receptors are stimulated, they cause a number of effects, including:
- Bronchodilation:
This means that the airways in the lungs are widened, making it easier to breathe.
- Increased heart rate:
This increases the amount of blood that is pumped by the heart each minute.
- Vasodilation:
This means that the blood vessels widen, which lowers blood pressure.
Beta receptor agonists are used to treat a variety of conditions, including asthma, chronic obstructive pulmonary disease (COPD), and heart failure.
The other answer choices are incorrect:
- Alpha receptor antagonists block the effects of alpha receptors.
- Alpha receptor agonists stimulate alpha receptors.
- Alpha and beta receptor agonists stimulate both alpha and beta receptors.
Therefore, the correct answer is D) Beta receptor agonist.
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