The _____________ is the end of the great cardiac vein and collects blood returning from the walls of the heart.
A. coronary sinus
B. foramen ovale
C. inferior vena cava
D. superior vena cava
Answer: A. coronary sinus
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The correct way to place an oropharyngeal airway (OPA) in a child would be:
A) right side up, with the tongue held down with a tongue depressor until it rests in the correct position. B) from the right corner of the mouth in a sideways fashion, then rotated 90 degrees. C) upside down until it reaches the roof of the mouth, then rotated 180 degrees. D) sideways from the corner of the left side of the mouth, then rotated 90 degrees.
You are artificially ventilating an adult male patient who is in respiratory arrest with a bag-valve mask. Which finding would demonstrate that you are ventilating this patient properly?
A) Adequate chest rise and fall B) Ability to fully deflate the self-inflating bag C) Clear and equal breath sounds D) Ventilation rate of 20 breaths per minute
Which of the following is the most common type of interstitial lung disease?
a. Asbestosis b. Silicosis c. Sarcoidosis d. Scleroderma
Blood that is not visible to the naked eye is called ________ blood.
Fill in the blank(s) with the appropriate word(s).