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Worksheets

Endocrine System

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.
The pituitary gland is represented by letter ___.
a)
A
b)
B
c)
C
d)
D
2.
Letter H is pointing to the ___.
a)
Thyroid
b)
Parathyroid
c)
Pancreas
d)
Adrenal Glands
3.

Letter D is pointing to the ___.

a)

Thyroid

b)

Parathyroid

c)

Thymus

d)

Pituitary Gland

4.

The secretions from endocrine glands are called _____. These are complex chemicals that influence actions at distant sites and control body functions.

a)

hormones

b)

sebaceous fluids

c)

neural impulses

d)

lymph fluids

5.

As a general rule, hormone concentrations are controlled by _____.

a)

positive feedback

b)

negative feedback

c)

neutral feedback

d)

cellular demands

6.

An organ that produces hormones is known as a _____.

a)

chemical

b)

gland

c)

secretion

d)

duct

7.

The "master gland" of the body, secreting nine hormones, is the _____.

a)

hypothalamus

b)

pineal

c)

thyroid

d)

pituitary

8.

About how many hormones does the endocrine system produce?

a)

30

b)

40

c)

50

d)

60

9.
What element is needed to prevent a goiter of the thyroid gland?
a)
Iodine
b)
Iron
c)
Calcium
d)
Zinc
10.

This hormone plays a role in regulating circadian rhythms, and is produced by the pineal gland.

a)

Epinephrine

b)

Melatonin

c)

Prolactin

d)

Calcitonin

11.

Where are the adrenal glands located?

a)

On each side of the larynx

b)

On top of the kidneys

c)

On top of the heart

d)

On each side of the stomach

12.

Which of the following has both endocrine and exocrine functions?

a)

Pancreas

b)

Pituitary Gland

c)

Thymus

d)

Thyroid

13.

The hormone that causes calcium to be deposited in bone is _____.

a)

calcitonin

b)

parathyroid hormone

c)

thyroxine

d)

insulin

14.

The hormones of the _____ play a large role in regulating metabolism.

a)

thymus

b)

parathyroid

c)

thyroid

d)

pineal gland

15.

Glucose levels in the blood are controlled by hormones made in the _____.

a)

pancreas

b)

thyroid

c)

parathyroids

d)

adrenal glands

16.

The hormone that lowers blood sugar is _____.

a)

insulin

b)

glucagon

c)

cortisol

d)

epinephrine

17.

Which of the following endocrine glands is NOT found in the brain?

a)

Pituitary Gland

b)

Pineal Gland

c)

Hypothalamus

d)

Thyroid

18.

What is the male gland that secretes testosterone?

a)

Ovaries

b)

Pituitary Gland

c)

Testes

d)

Adrenal Glands

19.

Diabetes is caused by a lack of what pancreatic hormone?

a)

Mineralocorticoids

b)

Glucocorticoids

c)

Insulin

d)

Glucagon

20.
What hormone is responsible for the "fight or flight" response?
a)
Testosterone
b)
Cortisol
c)
Epinephrine / Adrenaline
d)
Parathyroid Hormone
21.

This gland is located between the lungs behind the sternum and secretes thymosin.

a)

Thyroid

b)

Parathyroids

c)

Thymus

d)

Pineal Gland

22.

Letter I is pointing to the ____.

a)

Testes

b)

Parathyroids

c)

Ovaries

d)

Adrenal Glands

23.

Ovulation is triggered by a surge in _____.

a)

follicle-stimulating hormone

b)

luteinizing hormone

c)

estrogen

d)

progesterone

24.

What are the triangular, yellow structures called?

a)

Pancreas

b)

Adrenal Glands

c)

Testes

d)

Parathyroids

25.

What is the yellow structure called?

a)

Pancreas

b)

Thyroid

c)

Parathyroids

d)

Adrenal Glands

26.

What are the cells that have receptors for a particular hormone called?

a)

Gland Cells

b)

Neurons

c)

Destination Cells

d)

Target Cells

27.

A goiter is an enlargement of what gland?

a)

Pituitary Gland

b)

Adrenal Glands

c)

Parathyroids

d)

Thyroid

28.

Which hormone is secreted from the posterior pituitary gland?

a)

Oxytocin

b)

Prolactin

c)

Epinephrine

d)

Adrenocorticotropic Hormone

29.

The hormone prolactin stimulates _____.

a)

milk production

b)

cell growth

c)

egg production

d)

metabolism

30.

Hormone secretion is controlled by _____.

a)

hormones from other endocrine glands

b)

body fluids like blood

c)

neural stimulation

d)

all of the choices

31.

Thyroxine and triiodothyronine are hormones secreted by the _____.

a)

thyroid

b)

adrenal glands

c)

pancreas

d)

pituitary gland

32.

The hormone that is the antagonist of calcitonin is _____.

a)

glucagon

b)

insulin

c)

parathyroid hormone

d)

thyroid hormone

33.

This gland is responsible for establishing daily wake - sleep cycles.

a)

Pituitary Gland

b)

Pineal Gland

c)

Thymus

d)

Thyroid

34.

Increase in production of red blood cells was caused by the hormone _____.

a)

cortisol

b)

aldosterone

c)

erythropoietin

d)

thymosin

35.

Aggressive behavior has been connected to which hormone?

a)

Growth Hormone

b)

Estrogen

c)

Testosterone

d)

Progesterone

36.

Which hormone is NOT one of the Happy Hormones?

a)

Dopamine

b)

Oxytocin

c)

Serotonin

d)

Epinephrine

37.

Which hormone interaction is where the hormones oppose each other?

a)

Antagonistic

b)

Synergistic

c)

Permissive

d)

Integrative

38.

What is the first phase of General Adaptation Syndrome when dealing with stress?

a)

Alarm

b)

Resistance

c)

Exhaustion

d)

Alert

39.

Extracellular hormone receptors are mostly located on the _____.

a)

Nucleus

b)

Mitochondria

c)

Cell Membrane

d)

Cytoplasm

40.

Which of the stimuli does NOT control hormone secretion?

a)

Humoral

b)

Hormonal

c)

Neural

d)

Instinctual