Choose

The main function of sweat glands is to …

cool the body through evaporation.

excrete excess salts.

eliminate the nitrogenous waste.

remove excess water from the body.

Question 1

The following effects on the body are a result of the secretion of different hormones:

1, 2 and 4

2, 3 and 4

Question 2

1, 3 and 4

1, 2, 3 and 4

The control centre in the body that will be activated when an athlete is dehydrated is the ...

Question 3

pituitary gland

cerebellum

cerebrum

corpus callosum

The hormone that is NOT secreted by the anterior lobe of the pituitary gland is ...

Question 4

ADH

LH

FSH

Human growth hormone (hGH)

The gland that acts as both exocrine and endocrine is the ...

Question 5

pancreas

thyroid gland

adrenal gland

mammary gland

Which of the following CORRECTLY represents the events involved in the secretion and action of ADH (antidiuretic hormone)?

Question 6

A worker spent about ten minutes in a walk-in freezer. Below are some of the changes that occurred in his body in response to the drop in external temperature.

Question 7

(iii) - (iv) - (ii) - (i)

(ii)  - (i) - (iii) - (iv)

(iii)  - (i)  - (iv) - (ii)

(iv) - (i)  - (ii) - (iii)

1. An increase in the blood glucose level.

2. An increase in the heart rate.

3. An increase in the amount of digestive enzymes.

4. An increase in blood flow to the skeletal muscles.

Which ONE of the following combinations of the above effects is due to adrenalin?

 i)    Blood vessels in the skin constrict.

 ii)   Brain reacts.

 iii)  Skin temperature changes.

 iv)  Temperature receptors in the skin detect changes.

Which ONE is the correct sequence in which the changes occurred?

This is a learning exercise.

You must scroll to the top and examine your incorrect choices, with the view to improving your understanding of this topic. Refer to the Study Guide if necessary.

Questions source: DBE  (Authorisation 11798)

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