Adrenergic Receptors Quiz

Which of the following effects is associated with Beta1 adrenergic receptors?

• Increased heart rate

• Bronchodilation

• Vasoconstriction

• Decreased cardiac output

What is the primary effect of Beta2 adrenergic receptors?

• Vasoconstriction

• Increased heart rate

• Relaxation of bronchi

• Decreased force of contraction

Alpha1 adrenergic receptors primarily cause which of the following?

• Bronchodilation

• Vasoconstriction

• Increased heart rate

• Decreased cardiac output

Adrenergic drugs produce effects similar to which part of the nervous system?

• Parasympathetic nervous system

• Central nervous system

• Sympathetic nervous system

• Peripheral nervous system

What is the first-line treatment for anaphylaxis?

• Antihistamines

• Epinephrine

• Corticosteroids

• Beta-blockers

How is epinephrine administered during an asthma attack when inhalers fail?

• Orally

• Intravenously

• Subcutaneously

• Topically

Why is epinephrine not effective when taken orally?

• It is absorbed too quickly

• It is not absorbed in the GI tract

• It causes severe side effects

• It interacts with food

What should be considered when using epinephrine in elderly patients?

• It may cause drowsiness

• It can exacerbate chronic cardiac conditions

• It requires a higher dose

• It is ineffective

Which drug interaction is contraindicated with epinephrine?

• Beta-blockers

• MAO inhibitors

• Antacids

• Diuretics

What is the primary use of Salmeterol in asthma treatment?

• For acute asthma attacks

• Prevention of bronchospasm

• Treating narrow-angle glaucoma

• Increasing cardiac output