A patient has a white count of 15.0 ´ 109/L. What is the correct interpretation?
a. Normal for an infant, leukocytosis for an adult
b. Normal for an infant, leukemoid reaction for an adult
c. Leukocytosis for any patient
d. Normal for any patient
ANS: A
This is a normal white count for an infant but elevated (leukocytosis) for an adult.
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Which of the following best explains the fact that patient specimens are typically assayed at saturating substrate concentrations so that v is at Vmax?
A) To ensure that only the concentration of enzyme in the specimen affects the measured rate B) To fit the data onto the standard curve generated by "y = mx + b" C) To more closely mimic the enzymatic reaction as it occurs in vivo where enzymes generally only function at Vmax D) To prevent inactive enzyme molecules from being mistakenly counted as substrate.
In the Japanese management system, what does kaizen refer to?
A. Change and good B. High quality C. Ancient management techniques D. None of the above Hint: Review page 333 of Fire Service Personnel Management, 3rd Edition.
Neuroimaging techniques using ________ can present a picture of brain activity associated with cognitive processes like memory and the use of language.
A) X-rays B) PET scans C) ultrasounds D) MRIs
Medical assistants perform:
A) only administrative tasks. B) only clinical tasks. C) both administrative and clinical tasks. D) neither administrative nor clinical tasks. E) None of the above