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Endocrine System

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.

The endocrine system is in charge of...

a)

giving signals to nerves.

b)

controlling and regulating body processes chemically through hormones.

c)

the excretion of waste.

d)

breaking down nutrients.

2.

It is an organ that produces and releases a secretion.

a)

Gland

b)

Liver

c)

Bladder

d)

Thyroid

3.

What are the functions of hormones?

a)

For coordinating the production, use, and storage of energy.

b)

For reacting to stimuli outside from the body.

c)

For maintaining homeostasis.

d)

For regulating processes like development and reproduction.

4.

Hormones are...

a)

only noticeable when we hit puberty.

b)

signals sent to nerves.

c)

reactions produced through the movements of endocrine glands.

d)

special chemical messengers created in the endocrine glands.

5.

The hormone responsible for gamete formation is called...

a)

Follicle-stimulating hormone (FSH)

b)

Growth hormone

c)

Luteinizing hormone (LH)

d)

Oxytocin

6.

The hormone for mammary glands to produce milk is called...

a)

Vasopressin

b)

Oxytocin

c)

Prolactin

d)

Thyroxine (T4)

7.

Melatonin is responsible for...

a)

the color of our skin.

b)

our body rhythms and sleep patterns.

c)

how high or deep our voice is.

d)

the amount of hair we grow.

8.

Oxytocin is responsible for...

a)

eliminating toxins in the body.

b)

uterine contraction during childbirth.

c)

female secondary sex characteristics.

d)

growth of uterine lining.

9.

Hypothalamus...

a)

is an endocrine gland that transports oxytocin and vassopresin to the pituitary gland for storage.

b)

is an endocrine gland that stores oxytocin and vassopresin.

c)

is a hormone that controls the brain into having certain dreams in sleep.

d)

is a hormone that determines the energy levels of a person.

10.

Luteinizing hormone is responsible for...

a)

the way we see.

b)

gamete formation.

c)

adrenaline.

d)

the release of sex hormones.

11.

What hormone lowers calcium in blood?

a)

Prolactin

b)

Insulin

c)

Progesterone

d)

Calcitonin

12.

What hormone prevents water loss?

a)

Growth hormone

b)

Vasopressin

c)

Oxytocin

d)

T3

13.

The thyroid gland produces...

a)

T3

b)

T4

c)

Prolactin

d)

Calcitonin

14.

What hormone is responsible for a flight-or-fight response?

a)

Androgens

b)

Adrenaline

c)

Progesterone

d)

Follicle-stimulating hormone

15.

Testosterone is for...

a)

male secondary sex characteristics.

b)

female secondary sex characteristics.

c)

male primary sex characteristics.

d)

aroused responses of men.

16.

Estrogen is for...

a)

male secondary sex characteristics.

b)

female secondary sex characteristics.

c)

female primary sex characteristics.

d)

aroused responses of women.

17.

What is positive feedback?

a)

It is when something good happens in the endocrine system.

b)

It is when the amount of hormones produced is balanced.

c)

It is when the production of more hormones is counteracted.

d)

It is when increased hormone secretion is enhanced to produce even more hormones.

18.

What is negative feedback?

a)

It is when something bad happens to the endocrine system.

b)

It is when the hormones produce is not balanced.

c)

It is when the production of more hormones is counteracted.

d)

It is when increased hormone secretion is enhanced to produce even more hormones.