Cartilage rings surround the
A) esophagus
B) trachea
C) alveoli
D) nasal cavities
Answer: B) trachea
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Endolymph has
A) the same ions as cerebrospinal fluid. B) high sodium levels. C) potassium levels. D) the same ions as extracellular fluid anywhere else in the body. E) high potassium and low sodium levels.
A blood pH of 5.3 ________.
is indicative of acidosis is indicative of alkalosis is in the normal physiological range indicates effective buffering by the bicarbonate/carbonic acid system
The following angle is given in degrees, arcminutes, and arcseconds. Rewrite them in degrees and fractions of degrees: 60 38' 42"
Choose the INCORRECT definition
A. White matter appears white because myelin refracts light. B. Gray matter consists of dense aggregations of neurons. C. White matter consists of dense aggregations of axons. D. Tracts and pathways consist of long columns of neuronal cell bodies. E. Motor neurons have axons that leave the CNS.