What is the standard size for endotracheal or tracheostomy tube adapters?

a. 22-mm external diameter
b. 15-mm external diameter
c. 15-mm internal diameter
d. 22-mm internal diameter


ANS: B
The proximal end of the tube is attached to a standard adapter with a 15-mm external diameter.

Health Professions

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Excessive noise in the area is an example of ___ interference

A. internal B. external C. positive D. negative

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A 53-year-old woman arrives at the hospital with bleeding into the back of the throat and has a coagulation screen performed

She has no history of abnormal bleeding before this despite major stress to hemostasis in the past: she was in a major automobile accident at age 37 and has had impacted wisdom teeth extracted. Her coagulation results follow: Patient's Results Reference Range 1:1 Mix with Normal Plasma Prothrombin time (PT) 13.1 seconds 11-15 seconds Partial thromboplastin time (PTT) 87 seconds 25-37 seconds 35 Fibrinogen 380 mg/dL 200-400 mg/dL Which of the following is the most likely cause for her bleeding? a. Factor XII deficiency b. Factor IX deficiency c. Factor VIII deficiency d. Factor VIII inhibitor

Health Professions

What is the reason for injecting saline through the cholangiogram catheter prior to the contrast media?

a. The saline will dilute the contrast dye. b. The saline will dilate the common duct. c. The saline will push any stones in the cystic duct through. d. The saline will test patency of the cystic duct prior to injecting the contrast.

Health Professions

Research on media audiences shows that

A. "football widows" are more common than many people believe. B. watching television sports is the primary leisure activity of U.S. adults. C. watching sports is disruptive for most married couples. D. men and women who live together often watch sports together.

Health Professions