Biomedical Science

Question 1

1An autoclave sterilises equipment using

Easy

A. cold water B. sunlight C. steam under pressure D. alcohol only

Question 2

2Agar plates are used in microbiology to

Easy

A. store blood B. weigh chemicals C. measure pH D. grow cultures of micro-organisms

Question 3

3Which instrument is used to measure exact small volumes of liquid in the lab?

Easy

A. test tube B. pipette C. funnel D. beaker

Question 4

4In the laboratory, a centrifuge is used to

Easy

A. magnify cells B. separate the parts of a sample by spinning it fast C. heat samples D. measure pH

Question 5

5A microscope has a ×10 eyepiece and a ×40 objective lens. What is the total magnification?

Easy

A. ×50 B. ×400 C. ×4 D. ×30

Question 6

6Used needles should be disposed of in a

Easy

A. paper bag B. sink C. normal dustbin D. sharps container

Question 7

7Before taking part in a medical study, a person must give

Easy

A. a vaccine B. a fee C. informed consent D. a blood transfusion

Question 8

8Informed consent in research means that participants

Easy

A. are not told anything B. agree after understanding the risks and purpose C. must take part D. are paid only

Question 9

9Laboratory equipment is sterilised with high-pressure steam in an

Easy

A. incubator B. centrifuge C. autoclave D. spectrometer

Question 10

10A serial dilution of 1:10 repeated three times gives a final dilution of

Hard

A. 1:1,000 B. 1:100 C. 1:30 D. 1:10,000