★ The Circulatory System Quiz
The heart is enclosed in a protective sac called __________.
A. myocardium
B. capillaries
C. valve
D. pericardium
Select your answer:

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Blood & Blood Vessels › View__________ is the clear, thin, and sticky fluid portion of blood that remains after coagulation. It contains no blood cells, platelets, or fibrinogen.
A. plasmam
B. water
C. blood proteins
D. serum
Oxygenation › View
A patient came in the E.R and requires Intubation. Which of the following will the nurse use to inflate the cuff of the ET tube?
A. Nasal cannula
B. 10cc syringe
C. 5cc syringe
D. BP cuff