Biomedical Science

Question 1

1The gland often called the "master gland", because it controls other glands, is the

Easy

A. adrenal gland B. pancreas C. thyroid gland D. pituitary gland

Question 2

2The thyroid gland produces

Easy

A. insulin B. oestrogen C. adrenaline D. thyroxine

Question 3

3Hormones travel from the glands to their target organs through the

Easy

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

Question 4

4During an action potential, depolarisation is caused by

Hard

A. influx of sodium ions B. calcium leaving C. outflow of sodium ions D. influx of chloride

Question 5

5Hormones are carried around the body in the

Easy

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

Question 6

6The two main communication systems of the body are the

Easy

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

Question 7

7Nerve impulses travel along the

Easy

A. cell wall B. axon C. nucleus D. chloroplast

Question 8

8Steroid hormones act on target cells by

Hard

A. entering the cell and binding to receptors inside B. binding only to the outer membrane C. destroying the cell D. acting on DNA in blood

Question 9

9The resting membrane potential of a neuron is about

Hard

A. +70 mV B. −7 V C. −70 mV D. 0 mV

Question 10

10The gap between two neurons is a

Easy

A. synapse B. axon C. myelin sheath D. dendrite