The valve between the left atrium and left ventricle is the:
A) mitral valve. B) bicuspid valve.
C) left arterioventricular valve. D) All of the above
D
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You are observing an EMT insert an oropharyngeal airway into the airway of a 36-year-old male who has overdosed on a street drug. Which one of the following observations indicates correct technique?
A) The airway is inserted into the mouth upside-down and is then turned 180 degrees once it contacts the soft palate. B) The EMT uses a tongue depressor to press the back of the tongue downward, and then inserts the oral airway upside-down. C) The airway is inserted in its normal anatomic position until the flange of the airway is 1 cm above the lips. D) The oral airway is introduced sideways into the mouth, and then rotated 180 degrees once it has reached the base of the tongue.
During exertion, how does the body compensate for the decreased compliance of the respiratory system associated with aging?
A. decrease the tidal volume B. increase the tidal volume C. increase the respiratory frequency D. decrease the respiratory frequency
Which letter indicates the dermis?
A. A
B. B
C. C
D. D
E. E
During a colonoscopy, the surgeon may also perform which procedure depending on the anatomy?
a. Laparotomy b. Polypectomy c. Sigmoidoscopy d. Ileostomy