B1 Integumentary system

Question 1

Name the organ shown in the diagram

Answer 1

Skin

Question 2

Name the system shown in the diagram

Answer 2

Integumentary

Question 3

Name structure A

Answer 3

Hair

Question 4

Name structure B

Answer 4

Sweat gland

Question 5

Name structure D

Answer 5

Adipose tissue

or

Subcutaneous fat

Question 6

Name structure C

Answer 6

Sebaceous gland

Question 7

Give 5 functions of the skin

Answer 7

Thermoregulation

Protection against foreign bodies

Protection against mechanical damage and solar radiation

Energy storage

Production of Vitamin D

Question 8

What is the function of the erector muscle?

Answer 8

Raise or lower hairs on skin

Question 9

Name three chemicals found in sweat

Answer 9

Water

Salt

Urea

Question 10

Why does the skin produce sweat?

Answer 10

Thermoregulation

Increases heat loss from the body

Question 11

When do the arterioles in the skin dilate?

Answer 11

When body temperature is too high

Question 12

Name three ways in which the skin can increase the loss of heat from the body

Answer 12

Vasodilation (more blood to skin surface)

Increase amount of sweat produced

Lower hairs

Question 13

Give three ways in which heat loss from the skin can be reduced.

Answer 13

Vasoconstriction (reduce amount of blood at surface of the skin)

Hairs raised

Shivering

Reduce amount of sweat released

Question 14

Name the vitamin produced in the skin

Answer 14

Vitamin D

Question 15

Name a deficiency disease caused by the lack of vitamin D

Answer 15

Rickets

Question 16

How does the skin protect the body against foreign bodies?

Answer 16

Barrier

Sealed by scabs

Dead outer surface

Question 17

Name the type of pathogen that causes athletes foot

Answer 17

Fungus

Question 18

How is athletes foot spread from person to person?

Answer 18

Fungal spores

From communal changing rooms or from people in household

Question 19

How is athletes foot treated?

Answer 19

Wash feet daily

Dry between the toes

Change socks regularly

Antifungal creams/powder

Question 20

Name structure E

Answer 20

Sweat duct

Question 21

Name structure F

Answer 21

Erector muscle

Question 22

Name structure G

Answer 22

Sensory nerve ending

Question 23

Give two places where heat receptors can be found

Answer 23

Blood vessels

and

Skin

Question 24

The heat receptors send impulses to the ….

Answer 24

Hypothalamus

Question 25

Name the coordinator for thermoregulation

Answer 25

Hypothalamus