Pharmacology Quiz #17: Sympathomimetics

1. A 24-year-old man presents to the emergency department with an acute asthma exacerbation. He is immediately given a medication that relaxes bronchial smooth muscle via activation of beta-2 adrenergic receptors. Which of the following drugs was most likely administered? 

Question 1 of 5

2. A 65-year-old man with a history of chronic obstructive pulmonary disease (COPD) is prescribed a medication to help with his symptoms. This medication is known to increase cAMP in bronchial smooth muscle cells, leading to bronchodilation. This pharmacological effect is most characteristic of which of the following classes of drugs?

Question 2 of 5

3. A 56-year-old woman with severe hypotension is administered a medication that increases both heart rate and systemic vascular resistance. Which of the following drugs was most likely given?

Question 3 of 5

4. During a hospital shift, a resident is asked about the mechanism of action of a drug used for anaphylactic reactions that increases blood pressure and relaxes bronchial smooth muscle. The resident correctly explains that the drug works by:

Question 4 of 5

5. A 34-year-old man is given a drug during a clinical trial that significantly increases his heart rate without significantly affecting his blood pressure. This drug most likely has the highest affinity for which of the following receptors? 

Question 5 of 5


 

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