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Hormones and Endocrine System

Total questions: 50

Worksheet time: 30mins

Name
Class
Date
1.

Endocrine glands secrete _

a)

Hormones

b)

Neurotransmitters

c)

A wide range of chemical substances

2.

The "master gland" is known as the __________________.

a)

thyroid gland.

b)

adrenal gland.

c)

pancreas.

d)

pituitary gland.

3.

The adrenal glands release adrenaline to help the body regulate _________________.

a)

diseases

b)

body temperature.

c)

stress.

d)

hormones.

4.

The response to stress is called

a)

Stay or Stray Response

b)

Fight or Stay Response

c)

Flee or Stray Response

d)

Fight or Flight Response

5.

Hormone regulation operates under which type of feedback mechanism?

a)

positive feedback

b)

negative feedback

c)

zero feedback

d)

Hormones are not regulated

6.

Feedback loops are important because they allow organisms and the environment to

a)

change based on new inputs

b)

fall apart

c)

change based on new outputs

d)

maintain balance

7.

Produces female sex characteristics

a)

thymus

b)

ovaries

c)

thyroid

d)

testes

8.

Increases heart rate and breathing rate;increases blood pressure

a)

adrenals

b)

thyroid

c)

parathyroid

d)

pancreas

9.

Stimulates skeletal growth; stimulates development of male and female sex organs

a)

pancreas

b)

adrenals

c)

pituitary

d)

hypothalamus

10.

Regulates the activities of other glands

a)

ovaries

b)

testes

c)

thymus

d)

hypothalamus

11.

Produces male sex characteristics

a)

ovaries

b)

testes

c)

hypothalamus

d)

thymus

12.

How do the hormones get around the body?

a)

Through the circulatory system

b)

Through the skeletal system

c)

Through the digestive system

d)

Through the respiratory system

13.

Which hormone regulates water balance by reducing the amount of water leaving the body

a)

aldosterone

b)

antidiuretic hormone

c)

growth hormone

d)

thyroxine

14.

A hormone antagonist is one that has the opposite function. The hormone antagonist of insulin is _________

a)

glucagon

b)

gastrin

c)

secretin

d)

calcitonin

15.

Calcitonin decreases calcium in the blood while Parathyroid hormone works antagonistically. What is the function of PTH (Parathyroid Hormone)?

a)

To increase the amount of calcium in the blood so that it is available for the bones

b)

To decrease the amount of calcium in the blood so that it is available for the bones

c)

To break down bones to release calcium into the blood

d)

To build up bones

16.

This hormone maintains circadian rhythms and is most active during sleep

a)

melanin

b)

melatonin

c)

Thymic factor hormone

d)

Thyroid stimulating hormone

17.
Letter E is pointing to
a)
Thymus
b)
Pineal Gland
c)
Adrenal
d)
Parathyroids
18.
Letter B is pointing to
a)
Thymus
b)
Pineal Gland
c)
Adrenal
d)
Parathyroids
19.
What is the fight or flight hormone?
a)
Cortisol 
b)
Epinephrine and Norepinphrine 
c)
Testorerone 
d)
Aldosterone 
20.
Where are the adrenal glands located? 
a)
Bottom of the kidneys
b)
In front of the kidneys 
c)
On top of the kidneys
d)
Lower abdomen 
21.
What hormone regulates sugar level?
a)
insulin
b)
histamine
c)
estrogen
d)
thyroxin
22.
What hormones are produced by the pancreas?
a)
Testosterone
b)
Insulin and Glucagon 
c)
Epinephrine 
d)
Calctonin 
23.
Oxytocin is sometimes administered to women to
a)
stimulate milk production
b)
stimulate uterine contractions
c)
stimulate uterine relaxation
d)
stimulate ACTH production
24.
The hormone that causes calcium to be deposited in bone is
a)
calcitonin
b)
parathyroid hormone
c)
thyroxine
d)
insulin
25.
Which of the following gland does NOT belong to the endocrine system?
a)
pituitary
b)
testes
c)
salivary
d)
thyroid
26.
Which of the following endocrine glands is NOT found in the brain?
a)
Pituitary 
b)
Pineal
c)
Hypothalamus
d)
Thyroid
27.
Letter H is pointing to
a)
Thymus
b)
Pancreas
c)
Pituitary
d)
Pineal
28.

Which one here reduces the amount of glucose in the blood?

a)

Glucagon

b)

Insulin

c)

Glycogen

d)

ADH

29.

Too low insulin can cause ?

a)

Type 1 diabetes

b)

Type 2 diabetes

c)

Type 3 diabetes

30.

What is released if glucose levels are too low?

a)

Insulin

b)

Glucagon

c)

Amylase

d)

Pepsin

31.

A hormone is

a)

a chemical substance produced by a gland and carried by the lymph.

b)

an enzyme produced by a gland and carried by the blood.

c)

a chemical substance produced by an organ and carried by the blood.

d)

a chemical substance produced by a gland and carried by the blood.

32.

Where are hormone destroyed after use?

a)

Kidney

b)

Liver

c)

Stomach

d)

Pancreas

33.

Which row shows the effects of increased adrenaline release?

breathing rate >> pulse rate >> pupil

a)

decreases >>increases >>widens

b)

increases >> decreases >> widens

c)

increases >> increases>> narrows

d)

increases >> increases>> widens

34.
involved in biological clock and seasonal activities
a)
insulin
b)
melatonin
c)
oxytocin
d)
thyroxine
35.
stimulate development of male reproductive system
a)
ACTH
b)
androgens
c)
ADH
d)
epinephrine
36.
increase available energy, heart rate, metabolism
a)
melatonin
b)
oxytocin
c)
epinephrine
d)
thyroxine
37.
increase reabsorption of water by kidney
a)
ACTH
b)
ADH
c)
PTH
d)
glucagon
38.
lower blood calcium levels
a)
ACTH
b)
androgens
c)
ADH
d)
calcitonin
39.
stimulate contraction of uterus, milk secretion
a)
melatonin
b)
oxytocin
c)
thyroxine
d)
androgens
40.

Which hormone is made by your thyroid gland?

a)

Thyroxin

b)

Leptin

c)

Melatonin

d)

Adrenaline

41.

Which gland produces melatonin?

a)

Adipose tissue

b)

Adrenal

c)

Thyroid

d)

Pinneal

42.
Where is the pancreas located?
a)
Below the stomach
b)
Under the diagram
c)
In the pelvis
d)
In the brain
43.
Where is the thyroid located?
a)
in the neck
b)
in the throat
c)
in the chest
d)
in the brain
44.
Which hormone stimulates follicle development in ovaries or sperm cells in testes
a)
FSH
b)
LH
c)
inhibin
d)
testoterone
45.
Which hormone stimulates formation of corpus luteum or production of testoterone?
a)
FSH
b)
LH
c)
progesterone
d)
testosterone
46.
Which hormone elevates blood glucose levels and causes fat to be deposited on lower abdomen, especially if insufficient sleep is obtained?
a)
cortisol
b)
cholesterol
c)
insulin
d)
thyroxine
47.
Which of the following hormones are NOT produced by the anterior pituitary gland?
a)
ADH and oxytocin
b)
FSH and LH
c)
LH and growth hormone
d)
ADH and FSH
48.
Which of the following assessments are needed to diagnose growth hormone deficiency?
a)
Bone age and growth velocity
b)
Bone age, growth velocity, and growth hormone response to provocative stimuli
c)
Sex hormone priming and growth hormone response to provocative stimuli
d)
Growth hormone response to provocative stimuli
49.
The most common cause of Cushing's Disease is ____________
a)
Alcohol abuse
b)
Steroid use
c)
Genetic disposition
d)
Adenoma (benign tumor)
50.
Adrenocorticotropic hormone (ACTH) from the pituitary stimulates the __________ glands to release _________.
a)
Pineal, cortisol
b)
Adrenal, cortisol
c)
Pineal, TSH
d)
Adrenal, TSH

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