Endotracheal tubes are sized based on their ____.

A. external diameter
B. internal diameter
C. external circumference
D. internal circumference


Answer: B

Health Professions

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A reduction in renal blood flow and a decline in glomerular filtration pressure cause the dilation of efferent arterioles and constriction of afferent arterioles

Indicate whether the statement is true or false

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The ________ is the second segment of the small intestine and does the bulk of chemical digestion and nutrient absorption

A) duodenum B) cecum C) jejunum D) ileum

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A 32-year-old woman presents with a soft, nonpainful mass (1 x 2 cm) between teeth nos. 24 and 25 . Differential diagnosis should include at least pyogenic granuloma and:

a. Mucous membrane pemphigoid b. Mucous patch (secondary syphilis) c. Plasma cell gingivitis d. Peripheral giant cell granuloma e. None of the above

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In comparing the pathologic changes to the lungs caused by fresh water versus salt water, which of the following can be stated?

a. Salt water causes more damage. b. Fresh water causes more damage. c. Both cause identical pathologic changes. d. Cold water of either type causes more damage than warm water of either type.

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