Which of the following analytes will be falsely increased when a sodium citrate blood collection tube is underfilled?
A) BUN
B) PT
C) creatinine
D) phosphorus
Answer: B
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Venturi masks are designed to mix oxygen with:
A) nitrogen. B) carbon monoxide. C) humidified air. D) inhaled air.
You are called for an 8-year-old boy who has fallen. On scene the boy's mother states that he was running while flying a kite and tripped, striking his face on a rock. Assessment reveals a large reddish-blue lump with intact skin under his left eye. When alerting the hospital emergency department of your arrival, you should inform them that the patient has what type of injury?
A) Ecchymosis B) Hematoma C) Evisceration D) Contusion
When filling out an employment application, periods of unemployment should be:
A. Placed on the application and highlighted, so it can be discussed during the interview B. Left off the application C. Placed on the application and left blank D. Placed on the application with a short explanation, such as "attending college"
Which blood vessels generally carry blood that is high in oxygen?
a. arteries b. veins c. venules d. All are equally oxygenated.