Which of the following is part of a keyboard?
A) Cursor B) Numeric keypad C) Speaker D) Mouse
B
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Which of the following statements about pulse oximetry is FALSE?
A) Oxygen saturation is the percentage of hemoglobin that is bound with some molecular structure. B) Pulse oximetry values can be expected to decrease within seconds in cases of developing hypoxia. C) Pulse oximetry should be used on all patients with respiratory complaints. D) It may be difficult to obtain a reading in patients experiencing peripheral vasoconstriction.
You are treating a patient with suspected heat cramps. Your medical director has issued standing orders for such treatment given the high number of heat-related emergencies to which your service routinely responds. Which one of the following would be appropriate?
A) Mix one teaspoon salt in one quart of water and administer half of a glass every 15 minutes. B) Make and administer a salt water solution by combining Gatorade with one teaspoon of salt. C) Administer salt tablets every 15 minutes until the cramping subsides. D) Have the patient drink one quart of cold tap water every 15 minutes until he has to urinate.
When LET increases, the chance of producing a significant biologic response in the radiosensitive DNA macromolecule
a. grows. b. decreases considerably. c. decreases slightly. d. remains constant, not increasing or decreasing.
Which is the MOST frequently dislocated joint in the body?
A) Hip B) Prosthetic hip C) Femur D) Shoulder