Cardiomyocytes Form a Functional Syncytium by Being Electrically Coupled to One

question 9

Multiple Choice

Cardiomyocytes form a functional syncytium by being electrically coupled to one another at the

• A) T-tubules
• B) Sarcolemm a
• C) Sarcoplasmic reticulum
• D) Intercalated disks
• E) Z disks

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Definitions:

Aerobic Respiration

A metabolic process involving oxygen where cells convert nutrients into energy and produce carbon dioxide and water as waste products.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, exhaled as a waste product.

Ketone Bodies

Metabolic byproducts produced from the breakdown of fatty acids, used as an energy source when glucose is scarce.

Diabetes Mellitus

Metabolic disease in which carbohydrate use is reduced and that of lipid and protein enhanced; caused by a deficiency of insulin or an inability to respond to insulin and is characterized, in more severe cases, by hyperglycemia, glycosuria, water and electrolyte loss, ketoacidosis, and coma.