Biomedical Science

Question 1

1Insulin is produced by the

Easy

A. pancreas B. thyroid gland C. liver D. kidney

Question 2

2Hormones are carried around the body in the

Easy

A. nerves B. blood C. lymph only D. air

Question 3

3Down syndrome is caused by

Easy

A. a bacterial infection B. a vitamin deficiency C. an extra copy of chromosome 21 D. a missing X chromosome

Question 4

4A haematocrit (PCV) of 45% means

Hard

A. 45% is white cells B. 45% is platelets C. 45% of blood volume is red cells D. 45% is plasma

Question 5

5An electrocardiogram (ECG) records the

Easy

A. brain structure B. electrical activity of the heart C. lung volume D. blood sugar level

Question 6

6A normal adult human has about how much blood?

Easy

A. 1 litre B. 5 litres C. 50 litres D. 15 litres

Question 7

7Cells that carry electrical impulses around the body are

Easy

A. adipocytes B. erythrocytes C. osteocytes D. neurones

Question 8

8Laboratories that work with the most dangerous pathogens, such as Ebola virus, are rated

Easy

A. Biosafety Level 0 B. Biosafety Level 4 C. Biosafety Level 1 D. Biosafety Level 2

Question 9

9The sex chromosomes of a human male are

Easy

A. XY B. XO C. YY D. XX

Question 10

10The two main communication systems of the body are the

Easy

A. respiratory and circulatory systems B. digestive and excretory systems C. skeletal and muscular systems D. nervous and endocrine systems

Question 11

11A randomised controlled trial reduces

Hard

A. selection bias B. cost C. ethics approval D. sample size

Question 12

12A medical laboratory scientist

Easy

A. analyses blood and other samples to help diagnose disease B. flies aircraft C. performs surgery D. designs buildings

Question 13

13A disease present from birth, such as sickle cell disease, that is passed on through genes is

Easy

A. an injury B. a deficiency disease C. an infectious disease D. a hereditary (genetic) disorder

Question 14

14A person with blood group A has antibodies against

Medium

A. A antigens B. both A and B C. neither D. B antigens

Question 15

15The energy currency of the cell is

Easy

A. glucose only B. ATP C. DNA D. insulin

Question 16

16The lymphatic system helps to

Easy

A. move bones B. digest food C. return fluid to the blood and fight infection D. produce urine

Question 17

17The molecule that cells use as their immediate source of energy is

Easy

A. glucose only B. DNA C. urea D. ATP

Question 18

18White blood cells mainly

Easy

A. clot blood B. carry food only C. defend the body against infection D. carry oxygen

Question 19

19A trial in which neither the patients nor the researchers know who gets the real drug is

Medium

A. open-label B. observational C. single-blind D. double-blind

Question 20

20A baby gains antibodies from its mother's milk. This is

Medium

A. no immunity B. natural active immunity C. artificial active immunity D. natural passive immunity