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Medical Laboratory Techniques and Instruments Quiz

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#1

Which instrument is used to measure blood pressure?

Sphygmomanometer
Explanation

Measures pressure in the arteries.

#2

Which of the following instruments is used to measure lung function?

Spirometer
Explanation

Assesses lung capacity and flow.

#3

Which instrument is used to measure the electrical activity of the heart?

Electrocardiograph
Explanation

Records heart's electrical signals.

#4

Which instrument is used to measure blood glucose levels?

Glucometer
Explanation

Measures blood sugar concentration.

#5

Which instrument is used to measure oxygen levels in the blood?

Pulse oximeter
Explanation

Monitors blood oxygen saturation.

#6

What is the function of a centrifuge in a medical laboratory?

To separate blood components
Explanation

Used to separate substances by spinning.

#7

Which laboratory technique is used to amplify DNA fragments?

Polymerase Chain Reaction (PCR)
Explanation

Duplicates DNA segments.

#8

What is the purpose of a hemocytometer?

To count blood cells
Explanation

Counts cells in a known volume.

#9

What is the function of a microtome in histology?

To cut thin sections of tissue
Explanation

Prepares tissue samples for microscopy.

#10

Which laboratory technique is used to separate proteins based on size and charge?

Gel electrophoresis
Explanation

Separates molecules in a gel matrix.

#11

Which of the following is a serological test for infectious diseases?

ELISA
Explanation

Detects antibodies or antigens.

#12

Which of the following is an instrument used to visualize internal structures of the body?

Ophthalmoscope
Explanation

Examines eye structures.

#13

Which of the following is used to visualize cellular and tissue structures with high resolution?

Electron microscope
Explanation

Uses electrons to magnify.

#14

Which of the following is a technique used to detect and quantify specific proteins in a sample?

Western blotting
Explanation

Detects and analyzes proteins.

#15

Which of the following is a technique used to visualize and analyze the distribution of specific molecules in a tissue sample?

Immunohistochemistry
Explanation

Identifies molecules in tissues.

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