Which of the following is a valid use of percentages?
A) They are a means for identifying the least common denominator of two fractions with different denominators.
B) They are used for maintaining the commutative property of long addition equations.
C) They can be used to maintain equality across an equation by performing the same operation on both sides of the equal sign.
D) They provide a means of standardizing proportions when the total number of parts is not 100.
D
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Before a sample of capillary blood is taken, what should you do to the site? 1. Warmed to 42° C for 10 min. 2. Squeezed lightly until blanched. 3. Cleaned with an antiseptic solution
a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3
Elevators are used to lift the ______________
A. bone marrow away from the compact bone B. periosteum from the surface of the bone
The high contrast between normal enamel and overlapped enamel can produce an optical illusion called "cervical burnout."
Indicate whether the statement is true or false
When medication fluid leaks from the cannula or vein into the tissues surrounding the site, this is known as:
A) infiltration. B) extravasation. C) edema. D) Both a and b