Stimulation of _______________ result in an increase in heart rate, cardiac contractile force, increased automaticity, and increased conduction
a. Alpha1
b. Beta1
c. Beta2
d. Dopaminergic
b
Rationale: a. Results in peripheral vasoconstriction, mild bronchoconstriction, and stimulation of metabolism.
b. Correct.
c. Beta2 stimulation causes vasodilation and bronchodilation.
d. Thought to cause dilation of the renal, coronary, and cerebral arteries.
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Which of the following statements about the epidermis is not true?
A) The epidermis does not contain any blood vessels. B) The epidermis does not contain any nerve cells. C) The outer layer of the epidermis is composed of dead cells that are constantly sloughing. D) The epidermis is the location where sweat glands and sebaceous glands can be found.
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Solve this equation: 574 × 15 = ___
A) 8610 B) 590 C) 2870 D) 3444
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