Which of the following is not found in the retina?
A. rods
B. cones
C. photopigments
D. iris
Answer: D
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What cylinder factor is used to compute the duration of flow for a 22 cu/ft O2 or air E cylinder?
a. 0.28 b. 1.34 c. 2.41 d. 3.14
While you are assisting in a treadmill cardiopulmonary stress test procedure, the patient com-plains to you of severe shortness of breath and some chest pain. Which of the following actions would you recommend at this time?
a. Increase the O2 flow rate. b. Decrease the treadmill speed. c. Decrease the treadmill incline. d. Terminate the procedure at once.
Which of the following terms describes the administration of drugs for the purpose of sedation and making the patient unaware of surroundings, amnesia, or analgesia pain threshold without loss of consciousness?
a. moderate sedation b. balanced anesthesia c. general anesthesia d. local anesthesia
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