W Hich of the Following Is NOT One of the Ways

question 4

Multiple Choice

W hich of the following is NOT one of the ways in which cardiomyocytes differ from skeletal muscle fibers?

• A) Cardiom yocytes have a greater volume of mitochondria than skeletal muscle fibers
• B) There is on average one T-tubule per sarcomere in cardiomyocytes, two in skeletal muscle
• C) Most cardiomyocytes have 1-2 nuclei; skeletal muscle fibers have many
• D) Cardiomyocytes make electrical connections between adjacent cells, skeletal muscle fibers do not
• E) Cardiomyocytes do not require external stimulation whereas skeletal muscle fibers do

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Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and low blood-glucose concentration, playing an important role in the body's fight-or-flight response.

Method of Transmission

The way in which a disease spreads from one individual or organism to another.

Biopsychosocial Model

A holistic approach to diagnosing and treating illnesses by considering biological, psychological, and social factors.