A differential white blood cell count ("diff") determines the percentages of each type of ________. Performing this test manually is a skill that requires practice for proficiency
a. plasma
b. RBC
c. platelet
d. leukocyte
d
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What is the primary advantage of using exponential notation?
A) Reverse calculations involving exponential terms can be completed because the exponential term simply becomes negative. B) The exponential term in an exponential number represents the slope of the line generated by the data set. C) The significand in exponential terms is always reduced to a factor of ten to make calculations faster and easier. D) Very large and very small numbers become more convenient to write and read in exponential notation.
The neurotransmitter norepinephrine is terminated by the enzymes __________ and __________
a. catechol O-methyltransferase (COMT) and monoamine oxidase (MAO) b. catechol O-methyltransferase (COMT) and cholinesterase c. cholinesterase and monoamine oxidase (MAO) d. monoamine oxidase (MAO) and pseudocholinesterase
The isthmus is
A) lateral to the tragus on the pinna. B) a constriction in the external auditory meatus. C) about 5 mm from the tympanic membrane. D) a & b E) b & c
The _____________ anchors the heart within the thoracic cavity and prevents cardiac overdistention.
A. epicardium B. endocardium C. pericardium D. cardiac septum