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Metric System Basics Quiz

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Questions and Answers

What is the base unit for measuring length in the metric system?

Meter (correct)
Centimeter
Kilometer
Decimeter

Which of the following prefixes represents one-thousandth of the base unit?

Centi
Deci
Milli (correct)
Deca

In medical laboratory science, what is the unit commonly used for measuring small volumes?

Deciliter (dl)
Liter (l)
Milliliter (ml)
Microliter (μl) (correct)

Which of the following is a type of glove commonly used in phlebotomy?

Vinyl (A) Signup and view all the answers

What is the purpose of a phlebotomy chair?

To provide a comfortable and adjustable seating for the patient during blood collection (B) Signup and view all the answers

Which of the following is NOT mentioned as a handheld phlebotomy equipment?

Baskets (C) Signup and view all the answers

Which of the following is the most commonly used antiseptic for routine blood collection?

70% isopropyl alcohol (B) Signup and view all the answers

What is the purpose of using a tourniquet during venipuncture?

To restrict venous blood flow and inflate veins (D) Signup and view all the answers

Which of the following antiseptics should be avoided for blood alcohol testing?

Both B and C (C) Signup and view all the answers

What is the purpose of an evacuated tube system (ETS) in venipuncture?

To pull blood out from the vein using negative pressure (D) Signup and view all the answers

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 (D) Signup and view all the answers

What is the purpose of using transillumination devices in venipuncture?

To highlight veins in the patient's subcutaneous tissue (D) Signup and view all the answers