You Have Administered a Drug with Potent Beta-1 Effects

question 35

Multiple Choice

You have administered a drug with potent beta-1 effects. Which of the following effects should you most anticipate?

• A) Smooth muscle relaxation
• B) Peripheral vasoconstriction
• C) Increased heart rate
• D) Peripheral vasodilation

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Definitions:

Internal Iliac Arteries

Branches of the common iliac arteries that supply blood to the pelvic organs, gluteal region, and perineum.

External Iliac Arteries

Major arteries located in the pelvic region, supplying blood to the lower limbs; each extends from the common iliac artery to become the femoral artery in the thigh.

Pulmonary Trunk

A major vessel that emerges from the right ventricle of the heart and bifurcates into the right and left pulmonary arteries, which carry blood to the lungs.

Right Ventricle

The chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs through the pulmonary artery.