Smooth muscle can contract without a change in membrane potential following:
A. stimulation of ?-adrenergic receptors in the smooth muscle
B. inhibition of Rho kinase in the smooth muscle
C. stimulation of InsP3 production in the smooth muscle
D. stimulation of nitric oxide release from endothelial cells
E. stimulation of K+ channels in the smooth muscle
ANS: C
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An animal that undergoes physiological changes caused by an experimentor regulating environmental variables is said to have __________
Fill in the blank with correct word
A disorder caused by the ingestion of excessive quantities of a fat-soluble vitamin is known as
A) hypovitaminosis. B) Kwashiorkor. C) avitaminosis. D) carbohydrate loading. E) hypervitaminosis.
Distinguish among a first-degree, second-degree, and third-degree burn
A) A first-degree burn affects only the surface of the skin. A second-degree burn affects the whole epidermis and some of the dermis. A third-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. B) A first-degree burn affects the whole epidermis and some of the dermis. A second-degree burn affects only the surface of the skin. A third-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. C) A first-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A second-degree burn affects the whole epidermis and some of the dermis. A third-degree burn affects only the surface of the skin. D) A first-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A second-degree burn affects only the surface of the skin. A third-degree burn affects the whole epidermis and some of the dermis. E) A first-degree burn affects only the surface of the skin. A second-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A third-degree burn affects the whole epidermis and some of the dermis.
The major fuel for making ATP in most cells of the body is a type of carbohydrate known as ________
A) cellulose B) glucose C) starch D) saturated fat