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Endocrine System

Total questions: 49

Worksheet time: 28mins

Name
Class
Date
1.
A goiter is an enlargement of what gland?
a)
Pituitary
b)
Adrenal
c)
Mammary
d)
Thyroid
2.
Which of the following anterior pituitary hormones stimulates growth of long bones?
a)
Prolactin
b)
Thyrotropin
c)
Adrenocorticotropic hormone
d)
Human growth hormone
3.
Which of the following hormones opposes the action of parathyroid hormone?
a)
Thyroid stimulating hormone
b)
Testosterone
c)
Insulin
d)
Calcitonin
4.
Glands located on the kidneys that regulate the use of carbohydrates and salt, and prepare the body for emergencies.
a)
Thyroid gland
b)
Pancreas
c)
Adrenal glands
d)
Ovaries/testes
5.
What are the functions of the Pancreatic hormones?
a)
Reduce or increase blood sugar levels
b)
Increase blood calcium levels
c)
Increase blood pressure
d)
Decrease rate of metabolism
6.
Glucocorticoids and Mineralocorticoids are secreted by which organ?
a)
Adrenal Cortex
b)
Adrenal Medulla
c)
Thalamus
d)
Pancreas
7.
Progesterone is responsible for?
a)
Regulation of menstrual cycle
b)
Release of glucocorticoids
c)
Increase blood sugar level
d)
Decrease stress level
8.
Insulin and glucagon;
a)
Are secreted by the beta cells of the islets of Langerhans
b)
Elevate blood glucose
c)
Are secreted in response to declining plasma levels of glucose
d)
Are secreted by the pancreas and are concerned with the regulation of blood glucose
9.
Pineal gland – 
a)
produces a hormone (melatonin) that helps you go to sleep
b)
produces a hormone that stimulates the immune response in children
c)
hormone that increases blood
d)
decreases bone calcium levels
10.
Function of parathyroid gland?
a)
produces hormones that influence metabolic rate
b)
decrease blood calcium
c)
increase bone calcium levels
d)
decreases bone calcium levels
11.
What is the thymus gland?
a)
decrease blood calcium
b)
increase bone calcium levels
c)
produces a hormone that increases blood
d)
stimulates the immune response in children
12.

Endocrine glands secrete _

a)

Hormones

b)

Neurotransmitters

c)

A wide range of chemical substances

13.
The gland that stimulates body metabolism
a)
Thyroid
b)
testes
c)
ovary
d)
adrenal
14.

Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?

a)

Hormones

b)

Glands

c)

Parathyroid

d)

Adrenal Gland

15.

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

16.

Which term refers to the body's use of energy for energy and growth?

a)

Excretion

b)

Metabolism

c)

Digestion

d)

Respiration

17.

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 homeostasis

18.

What is the main function of the endocrine system?

a)

It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

b)

It creates electrical messages that are sent around the body to maintain homeostasis.

c)

It maintains the correct level of oxygen in the body to maintain homeostasis.

d)

It releases waste from the body to maintain homeostasis.

19.

Which gland makes insulin?

a)

Pancreas

b)

Thymus

20.

You hit a growth spurt and find that you've grown three inches over the summer! What gland is involved in this scenario?

a)

Pituitary

b)

Pancreas

c)

Thymus

21.

#3

a)

pituitary

b)

thyroid

c)

thymus

d)

adrenals

22.

#1

a)

pituitary

b)

thyroid

c)

thymus

d)

pancreas

23.

How do hormones get to the rest of your body?

a)

respiratory system

b)

nervous system

c)

circulatory system

d)

reproductive system

24.

#8

a)

pancreas

b)

adrenals

c)

pituitary

d)

ovaries

25.

Where is the thyroid gland?

a)

Below Adam's apple in neck

b)

Scrotum

c)

Brain

d)

Chest

26.

Which hormone is produced in the testes

a)

Insulin

b)

Adrenalin

c)

Testosterone

d)

Thyroxine

27.

Where is insulin produced

a)

Liver

b)

Heart

c)

Pancreas

d)

Pineal gland

28.

True or False: Hormones only have to do with sex.

a)

True

b)

False

29.

Can a hormone affect any cell?

a)

Yes, they affect all cells

b)

No, the cell has to have a matching receptor

c)

Maybe

d)

Depends on the situation

30.

How does a hormone identify its target cell?

a)

protein receptors on the cells surface

b)

it is only sent to its target cell

c)

neurons transmit the hormone signal

d)

glands are the target cell

31.

How do hormones get to their target cells?

a)

nerve impulses

b)

floating in the blood stream

c)

electric and chemical signals

d)

respiration

32.

Which of the following is NOT a major endocrine gland.

a)

pituitary

b)

hypothalymus

c)

sweat gland

d)

ovaries

e)

pancreas

33.

If you have growth problems (too big or too small) which gland may be the problem?

a)

ovaries

b)

pituitary

c)

hypothalamus

d)

adrenal

34.

If you have trouble sleeping which gland may be the problem?

a)

pineal

b)

thyroid

c)

testes

d)

adrenal

35.

When a male takes performance enhancing drugs, his body thinks he is making lots of testosterone. Which glands will stop producing testosterone and even shrivel up...possibly never producing testosterone again?

a)

pineal

b)

thyroid

c)

testes

d)

adrenal

36.

Which glands release epinephrine or norepinephrine when you are... scared to speak in front of the class, if you almost get in a car accident or if someone jumps out and scares you?

a)

adrenal

b)

pituitary

c)

neurons

d)

pancreas

37.
This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children. 
a)
thyroid
b)
parathyroid
c)
thymus
d)
brain stem
38.
Letter I is pointing to
a)
Testes
b)
Oviducts
c)
Ovaries
d)
Adrenals
39.

Letter J is pointing to

a)

Ovaries

b)

Pineal Gland

c)

Adrenal

d)

Testes

40.

The gland labeled 4 in the diagram is?

a)

the thymus gland

b)

the thyroid gland

c)

the parathyroid glands

d)

the adrenal glands

41.

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.

a)

Positive Feedback

b)

Negative Feedback

c)

Homeostasis

d)

Targeted Cells

42.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
43.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
44.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
45.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
46.

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed. This is an example of what type of feedback?

a)

Positive Feedback Response

b)

Negative Feedback Loop

47.

If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up. This is an example of what type of feedback?

a)

Positive Feedback Response

b)

Negative Feedback Loop

48.

As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level. This is an example of what type of feedback?

a)

Positive Feedback Response

b)

Negative Feedback Loop

49.

Cells that have receptors for a particular hormone.

a)

gland cells

b)

neurons

c)

hormones

d)

target cells

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