Which of the following are factors that increase PVR?
Hyperinflation of lungsPharmacologic agentsExcessive exerciseChemical stimuli
A. I and II only
B. I, II, and IV only
C. II and IV only
D. I, II, III, and IV
Answer: B
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Graft rejection and contact allergic reactions, such as poison ivy, are examples of:
a. Type I reactions. c. Type II reactions. b. Type III reactions. d. Type IV reactions.
When performing a venipuncture on a patient what is the correct way to hold the IV needle?
A) Hold the IV needle at a 45-degree angle or less to the skin with the bevel up B) Hold the IV needle at a 90-degree angle to the skin with the bevel up C) Hold the IV needle at a 45-degree angle or greater to the skin with the bevel down D) Hold the IV needle at a 45-degree angle or less to the skin with the bevel down
Which of the following descriptions most accurately describes level C protection?
a. Chemical-resistant clothing with a hood and respirator b. Chemical splash-resistant suit with self-contained breathing apparatus c. Encapsulated chemical-resistant suit with self-contained breathing apparatus d. Standard uniform with no special clothing required
Mobile fluoroscopic systems are different from fixed systems in that they
a. do not have a primary barrier. b. do not use video displays. c. have separate fluoroscopy and radiographic tubes. d. have a minimum SOD of 12 inches.