12 Questions
What is the base unit for measuring length in the metric system?
Meter
Which of the following prefixes represents one-thousandth of the base unit?
Milli
In medical laboratory science, what is the unit commonly used for measuring small volumes?
Microliter (μl)
Which of the following is a type of glove commonly used in phlebotomy?
Vinyl
What is the purpose of a phlebotomy chair?
To provide a comfortable and adjustable seating for the patient during blood collection
Which of the following is NOT mentioned as a handheld phlebotomy equipment?
Baskets
Which of the following is the most commonly used antiseptic for routine blood collection?
70% isopropyl alcohol
What is the purpose of using a tourniquet during venipuncture?
To restrict venous blood flow and inflate veins
Which of the following antiseptics should be avoided for blood alcohol testing?
Both B and C
What is the purpose of an evacuated tube system (ETS) in venipuncture?
To pull blood out from the vein using negative pressure
Which of the following is used to hold pressure over the blood collection site after venipuncture?
2-by-2-inch gauze pads folded in fourths
What is the purpose of using transillumination devices in venipuncture?
To highlight veins in the patient's subcutaneous tissue
Test your knowledge on the metric system which uses meter, liter, and gram as base units for length, volume, and mass. Understand how units smaller or larger than the base unit are derived and the concept of each unit being 10 times smaller or one-tenth of the unit to its left.
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