In general, laboratory experiments with mice prove that cataracts may be induced with doses of ionizing radiation as low as
a. 0.1 Gyt.
b. 0.01 Gyt.
c. 0.5 Gyt.
d. 0.05 Gyt.
a. 0.1 Gyt.
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An automated cell counter consistently produces red blood cell readings that are 20% too low. What type of error is this considered?
A) Absolute B) Random C) Systematic D) Variable
You are the first to arrive on the scene of a collapse of a balcony at an apartment building. You are met by a man whose arm is nearly severed, and you can see exposed bone and muscle tissue. Bleeding seems to be minimal. What is your next course of action?
A) This is a life-threating injury, so treat it immediately and call for additional resources. B) This is an "open incident," so using START he is a "green" patient. Have him sit in a safe area, apply a basic dressing to control bleeding, and, if possible, find someone to monitor him. Perform the scene size-up and triage. C) This is a "closed incident." Perform a scene size-up and treat this patient. Any other incoming units can continue treating people as they are found. D) Take him to the ambulance.
Which of the following statements concerning arteries is true?
a. They carry blood away from the heart. b. They have a lower pressure than veins. c. They always carry oxygenated blood. d. They drain into the venae cavae.
The ____________________ is often considered the largest organ of the body.
Fill in the blank(s) with the appropriate word(s).