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A medication used to relax the airways in the lungs to increase air flow is:

A.

Bronchodilator

B.

Doxycycline

C.

Ace inhibitor

D.

Anti-androgen therapy

Answer and Explanation

The Correct Answer is A

A. Bronchodilators are medications specifically designed to relax the muscles around the airways, making it easier to breathe by increasing airflow. They are commonly used in conditions like asthma and chronic obstructive pulmonary disease (COPD).
B. Doxycycline is an antibiotic used to treat bacterial infections. It has no direct effect on airway muscles or airflow.
C. ACE inhibitors are used primarily to treat high blood pressure and heart failure. They do not act on the airways and are not used to improve airflow.
D. Anti-androgen therapy is used to reduce levels of male hormones, typically in the treatment of prostate cancer or hormone-sensitive conditions. It has no role in bronchodilation or respiratory therapy.


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Related Questions

Correct Answer is C

Explanation

A. Epistaxis refers to nosebleed, which is unrelated to lung function or expansion.
B. Effusion refers to the accumulation of fluid (such as pleural effusion, where fluid collects in the pleural space around the lungs), not incomplete lung expansion.
C. Atelectasis is the collapse or incomplete expansion of a lung or part of a lung, which can occur due to blockage, pressure, or injury.
D. Adhesion refers to abnormal fibrous connections between tissues, which can occur in the body after injury or surgery, but it does not refer to incomplete lung expansion

Correct Answer is C

Explanation

A. A pneumothorax occurs when there is a collapse of the lung due to air entering the pleural cavity, but this is not directly related to the lungs dropping below atmospheric pressure.
B. Air flows out of the lungs when the pressure inside the lungs is higher than atmospheric pressure (e.g., during exhalation).
C. When the pressure in the lungs drops below atmospheric pressure, it creates a vacuum effect, causing air to flow into the lungs during inhalation. This is how normal breathing works.
D. Bronchiolar constriction can cause respiratory distress, but it is not directly linked to a drop in lung pressure. Instead, constriction happens due to factors like asthma or allergies, not pressure changes.

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