Use the 6-second method to estimate the heart rate. Note: This strip represents exactly six seconds. 
A. 100 bpm
B. 140 bpm
C. 80 bpm
D. 160 bpm
Answer: B
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What are leukocytes in the circulatory system?
A. White blood cells B. Platelets C. Red blood cells D. Plasma
Which of the following is NOT generally included in the complete blood count (CBC)?
a. Hemoglobin determination b. Hematocrit determination c. Erythrocyte sedimentation rate d. Red blood cell (RBC) count
Which statement regarding irradiation sterilization is true?
a. The principal sources of ionizing radiation are water molecules and heat. b. Ionizing radiation is the most effective sterilization method. c. Irradiation cannot sterilize heat- and moisture-sensitive items. d. Beta 45 is the most commonly used source for irradiation sterilization.
The HPI has to be written in:
a. complete sentences b. positive or negative c. questionnaire format