The partial pressure of carbon dioxide in the cells of peripheral tissues is approximately ________ mm Hg.
A) 40
B) 100
C) 45
D) 50
E) 70
C) 45
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The only sensation that is received directly by the cerebrum is
A) olfaction. B) gustation. C) hearing. D) vision. E) dizziness.
The intestinal feature responsible for increasing the absorptive surface area the most are
a. circular folds b. villi c. microvilli d. crypts e. none of the above
Which of the following hormones stimulates pancreatic secretions?
a) histamine b) secretin c) motilin d) gastrin
You will know that you have achieved the proper laryngoscopic view of the vocal cords when you see:
A) two white fibrous bands that lie vertically within the glottic opening. B) the tip of the straight blade touching the posterior wall of the pharynx. C) the thyroid cartilage bulge anteriorly as you lift up on the laryngoscope. D) the epiglottis lift when the tip of the curved blade is resting underneath it.