The smallest particle of an element that still exhibits the chemical characteristics of that element is a/an ________.
A. electron
B. atom
C. proton
D. chemical bond
E. orbital
Answer: B
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The blood vessel that carries blood to the arm and shoulder is the ________ artery
A) axillary B) subclavian C) brachial D) acromial E) brachiocephalic
MALT is found in which layer of the wall of a hollow organ?
A. Epithelial B. Lamina propria C. Muscularis externa D. Submucosa
The epidural space contains
A) no tissue, that is why it is a space. B) loose connective tissue, blood vessels, and adipose tissue. C) collagen, elastin, and keratin. D) dense connective tissue and cartilage.
Extrinsic control of the GFR
a. is mediated by sympathetic nervous system input to the afferent arterioles. b. is aimed at the regulation of arterial blood pressure. c. does not require a special mechanism but occurs as part of the baroreceptor reflex. d. can override autoregulatory mechanisms e. all of these answers.