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20 Cards in this Set

  • Front
  • Back
What are the 3 ways in which laboratory testing differs from the physician's examination?
A It is direct, precise and subjective.
B It is indirect, precise and subjective.
C It is direct, precise, and objective.
D It is indirect, precise, and objective.
C It is direct, precise, and objective.
Virtually all laboratory testing yields
A numerical results.
B descriptive results.
C best estimates.
D a precise diagnosis.
A numerical results.
What is the advantage of a test that is performed by counting?
A Less likelihood of error.
B Easy validation of results.
C Totals that are absolute and in a universal language.
D Always performed by a human being.
C Totals that are absolute and in a universal language.
Historically, what has been the primary obstacle to establishing an international measuring system?
A Reaching consensus on the best system to adopt.
B Ambiguity with the system being proposed.
C Refusal of individual cultures to abandon traditional standards in favor of new ones.
D All of the above.
C Refusal of individual cultures to abandon traditional standards in favor of new ones.
On January 8, 2007, the metric system became the official measuring system
A On the moon.
B In the Middle East.
C In Russia.
D Of the US Armed Services.
A On the moon.
The first version of the metric system was devised in the late 18th century in
A England
B Spain
C France
D Sweden
C France
The original metric system embodied which of the following distinctive features (which have characterized all subsequent modifications)
A Units were based on stable and measurable properties of the physical world.
B Most parts of the system were decimalized.
C The nomenclature of metric units incorporated a standard set of prefixes to form the names of multiples and submultiples.
D All of the above.
D All of the above.
The prefix hecto- comes from the Greek hekaton, meaning:
A 1000
B 100
C 10
D 0.1
B 100
The metric prefix femto-, meaning fifteen is derived from the ________ word femten.
A Latin
B Greek
C Spanish
D Danish/Norwegian
D Danish/Norwegian
The symbol for which of the following metric abbreviations has been condemned because it too closely resembles the letter "m," especially when handwritten?
A mu
B mc
C p
D n
A mu
The mole is the SI base unit used to measure
A liquid volume.
B amount of matter.
C density.
D distance.
B amount of matter.
The use of which unit of measure enabled a better direct computation of serum cations against anions, and thus the calculation of anion gap?
A cc
B g/dL
C mEq
D g
C mEq
Which unit of measure is essentially identical to an equivalent?
A gram
B mole
C liter
D meter
B mole
Which of the following units was used to report serum alkaline phosphatase concentrations?
A Bessey-Lowry units
B Bodansky units
C King-Armstrong units
D All of the above.
D All of the above.
The Twelfth General Conference on Weights and Measures agreed to permit the continued use in clinical chemistry of
A liter and its multiples and submultiples.
B mole and its multiples and submultiples.
C gram and its multiples and submultiples.
D all of the above.
A liter and its multiples and submultiples.
ISMP and JCAHO have recommended that ________ be wholly expunged from the language of medicine due to the frequency of misinterpretation the unit has caused.
A L
B mmol
C cc
D micro
C cc
The US Department of Commerce has made it a legal requirement to substitute
A g for gr
B mL for cc
C mEq for meq
D L for l
D L for l
How is vascular resistance measured?
A seconds per centimeter
B milliseconds per centimeter
C dyne seconds per centimeter
D None of the above.
C dyne seconds per centimeter
Which of the following is an acceptable expression of "three square centimeters"?
A 3 cm2
B 3 sq cm
C 3 cm superscript 2
D All of the above.
D All of the above.
The meter was originally defined as 1/10,000,000 of the distance from
A the earth to the moon.
B the North Pole to the Equator.
C the Equator to the South Pole.
D the earth to the sun.
B the North Pole to the Equator.