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djverab [1.8K]
3 years ago
14

The activation of beta2 receptors in the bronchi causes bronchodilation (an increase in diameter of the bronchi), making it easi

er to breathe. Which of the following neurotransmitters would be useful for a person suffering from an episode of bronchoconstriction (a reduction in the diameter of the bronchi)?
a. acetylcholine
b. epinephrine
c. vasopressin (or ADH)
d. oxytocin
Biology
1 answer:
UNO [17]3 years ago
8 0

Answer:

The correct answer is (b) epinephrine.

Explanation:

Epinephrine, also known as <em>Adrenaline</em>, is a hormone secreted by the medulla of the adrenal glands.

In medicine, epinephrine is used as a stimulant in cardiac arrest, as a vasoconstrictor in shock and as a bronchodilator and antispasmodic in bronchial asthma.

When epinephrine is inhaled in small doses, it causes short-term relief from the symptoms by widening the bronchial tubes allowing air to pass through.

I hope it helps!

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