Beta-Blockers (Beta-Adrenergic Blocking Agents) Are Frequently Used to

question 71

Multiple Choice

Beta-blockers (beta-adrenergic blocking agents) are frequently used to

• A) cause vasoconstriction.
• B) block muscarinic receptors.
• C) dilate the pupils of the eye.
• D) prevent increases in heart rate.
• E) prevent decreases in heart rate.

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Definitions:

Midbrain

A part of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.

Magnetic Resonance Imaging

A diagnostic technique that uses magnetic fields and radio waves to create detailed images of the body's internal structures.

Transcranial Magnetic Stimulation

A non-invasive procedure that uses magnetic fields to stimulate nerve cells in the brain to improve symptoms of depression.

Electroencephalography

A method of recording electrical activity of the brain through electrodes placed on the scalp.