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HBU3 Human Body System Test Review

Total questions: 80

Worksheet time: 47mins

Name
Class
Date
1.

Used for short term (quick) energy.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

2.

Provides long term energy and insulation,

a)

lipids

b)

carbohydrates

c)

nucleic acids

d)

proteins

3.

Contains DNA and RNA

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

4.

Building blocks of the body, hair , muscles etc.

a)

protein

b)

nucleic acid

c)

lipids

d)

carbohydrates

5.

Is found in the cell membrane as a bilayer.

a)

lipids

b)

protein

c)

nucleic acid

d)

carbohydrate

6.

Proteins are made of monomers called ___________

a)

Nucleotides

b)

Monosaccharides

c)

Amino Acids

d)

Glycerol and fatty acids

7.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
8.
_________ are composed out of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P)
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
9.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
10.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
11.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
12.
Glycerol and fatty acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
13.

The organic compounds that have many structural purposes and are used in many processes within the cell are called ____________________.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

14.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
15.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
16.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
17.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
18.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
19.

ALL proteins are made of...

a)

C H O

b)

C H O N

c)

C H O N P

d)

C H O N S

20.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
21.
Which macromolecule is made of simple and complex sugars?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
22.
What are the four macromolecules?
a)
proteins, nucleic acids, carbohydrates, and lipids
b)
monosaccharides, lipids, polysaccaharides, and proteins
c)
RNA, DNA, proteins, and carbohydrates
d)
proteins, DNA, RNA, and steroids
23.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
24.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
25.
In cold conditions the blood capillaries in the skin …
a)
Move up near surface
b)
Constrict
c)
Dilate
d)
None of these
26.

Which of the following is not a means by which the body retains heat?

a)

Shivering

b)

Hairs stand up

c)

Blood capillaries constrict

d)

Sweat is released

27.

________________ is used to maintain homeostasis and achieve a set point within a system.

a)

Osmosis

b)

Negative feedback mechanisms

c)

Benefit

28.

Which is an example of the negative feedback mechanism?

a)

Blood sugar levels being controlled by negative feedback loop (food being consumed and digested causes blood level glucose to rise)

b)

Temperature

c)

Controlling the amount of water lost through the excretory system

d)

Osmoregulation (regulating amount of water reabsorbed from glomerular filtrate in kidney tubes, etc.)

29.
Which is NOT a function of the skin?
a)
Insulation
b)
Movement
c)
Excretion
d)
Thermoregulation
30.

What is the main function of the kidney?

a)

Remove urine from the body

b)

To add salt to blood

c)

Maintain water balance of the body

d)

To break down proteins

31.
What is the evaporation of a liquid to cool the body?
a)
Shivering
b)
Sweating
c)
Vasodilation
d)
Vasoconstriction
32.
What transports substances around the body?
a)
Blood
b)
Sweat
c)
Tears
d)
Urine
33.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
34.
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
35.
Maintaining body temperature is an example of a:
a)
negative feedback loop
b)
positive feedback loop
36.
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 
a)
Positive Feedback Response
b)
Negative Feedback Loop 
37.
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.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
38.
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
39.
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.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
40.

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.

41.
Which of the following is an example of positive feedback to indirectly maintain homeostasis?
a)
the chemical reactions involved in blood clotting
b)
your blood vessels dilate and you begin to sweat in response to elevated body temperature
c)
your blood vessels constrict and you begin to shiver in response to low body temperature
d)
your coach compliments you on your performance in practice
42.
Positive feedback is when the change caused by the stimulus is
a)
decreased
b)
non existant
c)
increased
d)
changes constantly
43.

Detects change and sends a message to the control center.

a)

receptor

b)

control center

c)

effector

d)

regulation

44.

Receives the message and coordinates a response.

a)

control center

b)

effector

c)

receptor

d)

homeostasis

45.

Responds to the output from the control center.

a)

control center

b)

receptor

c)

thermoregulation

d)

effector

46.

Increases or speeds up original change.

a)

negative feedback

b)

positive feedback

c)

endotherm

d)

ectotherm

47.

Reverses the direction of change.

a)

positive feedback

b)

effector

c)

hypothalamus

d)

negative feedback

48.
Which system enables the body to move, moves food through the digestive system, and keeps the heart beating?
a)
skeletal 
b)
muscular
c)
digestive
d)
nervous
49.
Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?
a)
skeletal
b)
muscular
c)
digestive
d)
nervous
50.

Which system takes oxygen into the body and eliminates carbon dioxide?

a)

immune/lymphatic

b)

nervous

c)

respiratory

d)

circulatory/cardiovascular

51.

Which system takes food into the body, breaks down food, and absorbs the digested materials?

a)

respiratory

b)

circulatory/cardiovascular

c)

digestive

d)

excretory/urinary

52.

Which system is made of the smooth, skeletal, and cardiac muscles?

a)

skeletal

b)

muscular

c)

nervous

d)

excretory/urinary

53.

Which system detects information from the environment and directs the way your body responds to this information?

a)

excretory/urinary

b)

circulatory/cardiovascular

c)

respiratory

d)

nervous

54.

Which system includes bones, cartilage, and ligaments?

a)

nervous

b)

muscular

c)

skeletal

d)

excretory/urinary

55.

Which system includes the nose, trachea and the lungs?

a)

respiratory

b)

circulatory/cardiovascular

c)

immune/lymphatic

d)

digestive

56.

Which system includes the mouth, esophagus, and the small and large intestines?

a)

nervous

b)

excretory/urinary

c)

respiratory

d)

digestive

57.

Which system fights disease?

a)

excretory/urinary

b)

nervous

c)

immune/lymphatic

d)

digestive

58.

Which system collects and removes wastes?

a)

muscular

b)

circulatory/cardiovascular

c)

digestive

d)

excretory/urinary

59.

Which system carries needed materials to the body cells and carries wastes away from the body cells?

a)

circulatory/cardiovascular

b)

digestive

c)

nervous

d)

excretory/urinary

60.

Which system includes the lymph, lymph nodes, white blood cells, T and B cells?

a)

excretory/urinary

b)

digestive

c)

immune/lymphatic

d)

nervous

61.

Which system includes the kidneys, ureters, urinary bladder, and urethra?

a)

digestive

b)

excretory/urinary

c)

circulatory/cardiovascular

d)

muscular

62.

Which system includes the heart and blood vessels?

a)

respiratory

b)

circulatory/cardiovascular

c)

nervous

d)

skeletal

63.
Which system includes the brain, spinal cord, eyes, ears, and skin?
a)
Muscular
b)
Nervous
c)
Respiratory
d)
Skeletal
64.

Which three body systems allow you to move?

a)

muscular, skeletal, digestive

b)

nervous, respiratory, digestive

c)

nervous, muscular, skeletal

d)

muscular, skeletal, circulatory

65.

Which two body systems deliver oxygen to your cells and take away carbon dioxide?

a)

respiratory and nervous

b)

circulatory and nervous

c)

circulatory and excretory

d)

respiratory and circulatory

66.
Which two body systems work together to break down food and get rid of wastes?
a)
digestive and excretory
b)
digestive and circulatory
c)
excretory and respiratory
d)
nervous and digestive
67.

What is the level of organization known as a group of cells that work together?

a)

cells

b)

organ system

c)

organ

d)

tissue

68.

What is the body system that sends and recieves electrical signals from the brain?

a)

skeletal

b)

nervous

c)

muscular

d)

digestive

69.

What body system produces blood cells for the body?

a)

nervous

b)

digestive

c)

respiratory

d)

skeletal

70.

Which body system transports oxygen and nutrients through out the body?

a)

muscular

b)

nervous

c)

digestive

d)

circulatory/cardiovascular

71.

What system receives oxygen and gets rid of carbon dioxide?

a)

cardiovascular/circulatory

b)

muscular

c)

lymphatic/immune

d)

respiratory

72.
Which of the following is in the correct order from smallest to largest?
a)
tissue-organ-system-cell
b)
cell-organ-tissue-system
c)
System-tissue-cell-organ
d)
cell-tissue-organ-system
73.

The process of joining monomers to form polymers by giving off water.

a)

dehydration synthesis

b)

hydrolysis

c)

hydration synthesis

d)

metabolism

74.

The process of breaking down polymers into monomers with the addition of water.

a)

dehydration synthesis

b)

hydration synthesis

c)

metabolism

d)

hydrolysis

75.

Which of the following is NOT one of the four basic tissue types?

a)

connective

b)

nervous

c)

muscle

d)

adipose

76.

Tissue that functions in support and transportation.

a)

connective

b)

muscle

c)

epithelial

d)

nervous

77.

Tissue that functions in contraction and movement.

a)

connective

b)

muscle

c)

epithelial

d)

nervous

78.

Tissue that functions in covering and lining.

a)

connective

b)

muscle

c)

epithelial

d)

nervous

79.

Tissue that functions in communication.

a)

connective

b)

muscle

c)

epithelial

d)

nervous

80.

Which of the following is NOT a characteristics of prokaryotes?

a)

lacks a nucleus

b)

lacks membrane-bound organelles

c)

small and simple

d)

has a nucleus

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