The Property of Heart Muscle in Which It Contracts in the Absence

question 49

Multiple Choice

The property of heart muscle in which it contracts in the absence of neural or hormonal stimulation is called

• A) tamponade.
• B) thrombosis.
• C) autorhythmicity.
• D) arrhythmias.
• E) tetanus.

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Definitions:

ADH

Antidiuretic Hormone, also known as vasopressin, a hormone that regulates water balance in the body by increasing water reabsorption in the kidneys.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also associated with empathy, trust, sexual activity, and relationship-building.

Anterior Pituitary

The front part of the pituitary gland, which secretes hormones regulating various physiological processes, including growth and reproduction.

Follicle-Stimulating Hormone

A hormone secreted by the anterior pituitary gland that stimulates the growth of follicles in the ovaries and spermatogenesis in the testes.