Activation of Which Kind of Receptor Causes Heart Rate to Increase

question 53

Multiple Choice

Activation of which kind of receptor causes heart rate to increase?

• A) alpha-one
• B) beta-one
• C) muscarinic
• D) beta-two
• E) preganglionic

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Definitions:

Agranulocytes

White blood cells characterized by the absence of granules in their cytoplasm, including lymphocytes and monocytes.

Formed Element

Components of blood, including red blood cells, white blood cells, and platelets, that are crucial for carrying oxygen, fighting infections, and clotting.

Formed Element

Components of blood, such as red blood cells, white blood cells, and platelets, that are either cellular or cell fragments.

Platelet

Small blood cells essential for blood clotting, which prevent excessive bleeding when blood vessels are injured.