Which instrument is first used to visualize the vocal cords before an endotracheal intubation is performed?
A) bronchoscope
B) laryngoscope
C) incentive spirometer
D) nasal cannula
B
Explanation: A) A bronchoscope is not used for endotracheal intubation.
B) Correct!
C) An incentive spirometer is a medical device, not an instrument.
D) A nasal cannula is not used for endotracheal intubation.
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All of the following are examples of managed-care plans, EXCEPT
A. point-of-service plans. B. fee-for-service plans. C. health maintenance organizations. D. preferred provider organizations.
The average healthy adult heart beats 70-80 beats per minute. A lower heart rate of 60 might indicate that
A) the individual is very fit. B) a heart valve is malfunctioning. C) the individual is stressed. D) the individual is engaging in vigorous exercise.
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A) anal sex. B) unprotected intercourse. C) oral sex. D) All of the answers are correct.