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Worksheets

Human Body Systems Final Prep

Total questions: 153

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Where are the cells that make up the sinoatrial node, or pacemaker, located?

a)

right atrium

b)

left atrium

c)

left ventricle

d)

right ventricle

2.

In the heart, the mixing of oxygen-rich and oxygen-poor blood is prevented by the

a)

mitral valve

b)

tricuspid valve

c)

septum

d)

pericardium

3.

Which of the following are the smallest of the blood vessels?

a)

arteries

b)

veins

c)

lymphatic cells

d)

capillaries

4.

Which of the following is NOT a type of blood vessel?

a)

artery

b)

vein

c)

lymphatic cell

d)

capillary

5.

Which organ helps to regulate blood pressure?

a)

spleen

b)

kidney

c)

liver

d)

gall blader

6.

What is the function of neurotransmitter?

a)

to transmit nerve impulses through dendrites

b)

to stimulate the production of epinephrine

c)

to transmit nerve impulses across synapses

d)

none of the above

7.

which of the following is a function of the cerebrum?

a)

control conscious activities of the body

b)

control heart rate

c)

control blood pressure

d)

control your mind

8.

the region of the that recognizes hunger is the...

a)

brain stem

b)

medulla oblongata

c)

hypothalamus

d)

thalamus

9.

neurons are categorized by the...

a)

direction in which they carry impulses

b)

amount of metabolic activity that takes place

c)

number of denrites that branch out

d)

fluffy puppy

10.

sense organs are part of the

a)

peripheral nervous system

b)

central nervous sytem

c)

spinal cord

d)

brain stem

11.

Where is the protein called actin located in the body?

a)

ATP Molecules

b)

Thin Filaments

c)

Myosin FIlaments

d)

Acetylcholine neurotransmitters

12.

What happens when the thin filaments in a muscle fiber slide over the thick filaments

a)

A muscle contracts

b)

A muscle relaxes

c)

A muscle both contracts and relaxes

d)

A muscle neither contracts nor relaxes

13.

Myosin and Actin make up

a)

Osteoblasts

b)

Collagen

c)

Myofibrils

d)

Red Marrow

14.

Which of the following types of muscles generally remains in a state of partial contraction when your legs are straight?

a)

Skeletal Muscles

b)

Cardiac Muscles

c)

Smooth Muscle

d)

All of the above

15.

The elbow joint bends when the

a)

Triceps muscle contracts

b)

Triceps muscle relaxes

c)

Biceps muscle contracts

d)

Biceps muscle relaxes

16.

The four basic types of tissue in the human body are?

a)

cell, organ, and organ system

b)

sight, smell, and hearing

c)

thyroid,trachea,adenoid,and bronchus

d)

muscle, nervous,connective, and epithelial

17.

The levels of organization in the body include

a)

endocrine,respiratory,digestive, and nervous

b)

cells,tissues,organs,and organ systems

c)

cells,tissues and organs

d)

lymphatic,respiratory, and circulatory

18.

what types of drugs slow down the activity of the central nervous system

a)

stimulants

b)

depressants

c)

opiates

d)

cocaine

19.

The region of the brain that recognizes hunger is the

a)

brain stem

b)

medulla oblongata

c)

hypothalamus

d)

thalamus

20.

What is the smallest structural and functional unit of the nervous system?

a)

neuron

b)

receptor

c)

organ

d)

tissue

21.

The germ theory of disease states that infectious diseases are caused by

a)

toxins

b)

microrganisms

c)

heredity

d)

materials in the environment

22.

How are infectious diseases spread?

a)

through coughing, sneezing, or physical contact

b)

through contaminated water or food

c)

by infected animals

d)

all of the above

23.

The body's nonspecific defenses against invading pathogens include

a)

antibiotics

b)

mucus, sweat. and tears

c)

antibodies

d)

killer T cells

24.

An example of an autoimmune disease is

a)

asthma

b)

allergies

c)

multiple sclerosis

d)

strep throat

25.

Cancer can be caused by

a)

bacteria

b)

asthma

c)

radiation

d)

allergies

26.

Which is the correct direction of blood flow ?

a)

right atrium -> right ventricle -> pulmonary artery

b)

right atrium -> left atrium -> pulmonary artery

c)

left ventricle -> pulmonary artery -> aorta

d)

left ventricle -> left atrium -> aorta

27.

In the heart, the mixing of oxygen-rich and oxygen-poor blood is prevented by the

a)

mitral valve

b)

tricuspid valve

c)

septum

d)

pericardium

28.

The function of the valves in the human circulatory system is to

a)

stimulate the heart

b)

accelerate the flow of blood

c)

prevent the backward flow of blood.

d)

serve as a cushion to prevent friction.

29.

The germ theory of disease states that infectious diseases are caused by

a)

toxins.

b)

microorganisms.

c)

heredity.

d)

materials in the environment.

30.

How are infectious diseases spread?

a)

through coughing, sneezing, or physical contact

b)

through contaminated water and food

c)

by infected animals

d)

all of the above

31.

The body's nonspecific defenses against invading pathogens include

a)

antibiotics.

b)

mucus, sweat, and tears.

c)

antibodies.

d)

killer T cells.

32.

An example of an autoimmune disease is

a)

asthma.

b)

allergies.

c)

multiple sclerosis.

d)

strep throat.

33.

A benign tumor is one that

a)

is cancerous.

b)

is malignant.

c)

does not spread to other parts of the body.

d)

does not divide uncontrollably.

34.

An infectious disease is one that is caused by

a)

Heredity

b)

Materials in the environment

c)

Pathogens

d)

Hemophilia

35.

An immune response is one is triggered by a(an) ...

a)

antibiotic

b)

antibody

c)

antigen

d)

histamine

36.

an example of an autoimmune disease is

a)

asthma

b)

allergies

c)

multiple sclerosis

d)

strep throat

37.

HIV weakens the immune system by killing

a)

antibodies

b)

B cells

c)

helper T cells

d)

killer T cells

38.

Doctors first suspected that AIDS was weakening the immune system of infected patients when their patients developed

a)

asthma

b)

allergies

c)

rare infections

d)

strep throat

39.

The body's most important nonspecific defense is

a)

the skin

b)

cell-mediated immunity

c)

the inflammatory responce

d)

permanent immunity

e)

if you chose this you are dumb

40.

Puberty usually begins between the ages of

a)

5 and 8

b)

9 and 15

c)

16 and 19

d)

20 and 25

41.

Specialized sex cells are known as

a)

Gametes

b)

Gonads

c)

Hormones

d)

Organs

42.

Which of the following is NOT a function of the female reproductive system?

a)

To produce eggs

b)

To prepare the body to carry an embryo

c)

To deliver sperm

d)

To release eggs into the Fallopian tubes

43.

Which organ system is responsible for making and delivering sperm?

a)

McDonalds

b)

Endocrine system

c)

Nervous system

d)

Male reproductive system

44.

One menstrual cycle usually lasts about a

a)

Big Mac

b)

Week

c)

Month

d)

Year

45.

The top layer of the epidermis is made of

a)

flat, dead cells.

b)

melanin

c)

collagen

d)

healthy living cells

46.

which of the following is NOT a function of skin?

a)

helps regulate body temperature

b)

removes body waste

c)

contracts and relaxes muscles

d)

helps prevent infection

47.

which of the following is NOT part of the integumentary system?

a)

skin

b)

nails

c)

hair

d)

cartilage

48.

from which of the following does the basic structure of hair and nails form?

a)

sweat

b)

collagen

c)

melanin

d)

keratin

49.

which of the following is found in the dermis?

a)

sweat pore and nails

b)

hair follicle and sweat gland

c)

liver and heart

d)

i do not know

50.

Which of the following is NOT part axial skeleton?

a)

Skull

b)

Vertebral Column

c)

Pelvis

d)

Rib Cage

51.

How many bones are found in the adult body?

a)

150

b)

200

c)

212

d)

206

52.

Which of the following is true about red bone marrow?

a)

It makes blood cells

b)

It stores fat

c)

It produces new bone

d)

It is found in compact bones of adults

53.

What is the function of cells called osteoclasts?

a)

Build and maintain bone

b)

break down bone

c)

support the skin

d)

produce blood cells

54.

Ossification occurs in which of the following?

a)

Embryos

b)

Newborn children/ teenagers

c)

Embryos/ newborn children

d)

Embryos/ newbornchildren/ teenagers

55.

Ligaments connect

a)

cartilage to bone

b)

muscle to muscle

c)

bone to muscle

d)

bone to bone

56.

Where is the cardiac muscle tissue located in the body?

a)

heart

b)

ribs

c)

skull

d)

bones

57.

What happens when the thin filaments in a muscle fiber slide over thick filaments?

a)

a muscle contracts

b)

a muscle relaxes

c)

a muscle both contracts and relaxes

d)

A muscle neither contracts or relaxes

58.

What tough connective tissues join skeletal muscle to bones?

a)

joints

b)

ligaments

c)

periosteum

d)

tendons

59.

The elbow joint bends when

a)

triceps muscle contracts

b)

triceps muscle relaxes

c)

biceps muscle contracts

d)

biceps muscle relaxes

60.

The raw materials that the body needs for growth and repair comes from

a)

proteins

b)

carbohydrates

c)

water

d)

unsaturated fats

61.

The function of the excretory system is to control homeostasis and

a)

absorb nutrients

b)

break down nutrients

c)

remove waste

d)

prevent infections

62.

The activity of kidneys is controlled by hormones and by the

a)

composition of blood

b)

volume of filtrate

c)

volume of nutrients

d)

composition of urine

63.

In the kidneys, both useful substances and wastes are removed from blood by

a)

excreation

b)

reabsorption

c)

dialysis

d)

filtration

64.

What materials are removed from the blood through dialysis

a)

urea and excess salts

b)

chyme

c)

amylase and pepsin

d)

none of the above

65.

Which of the following is NOT an effect of exercise on veins?

a)

Exercise helps force blood through veins.

b)

Exercise helps keep blood from accumulating and stretching veins

c)

Exercise helps keeps the walls around veins strong.

d)

Exercise helps increase the size of veins

66.

which plasma proteins help to regulate osmotic pressure and blood volume?

a)

albumins

b)

globins

c)

fibrinogens

d)

platelets

67.

The most important function of the skin is

a)

protection

b)

storing fat

c)

sweating

d)

insulation

68.

What happens when the keratin-producing cells of the skin die?

a)

Melanin and keratin are produced

b)

An additional dermis layer is formed

c)

A waterproof coating is formed

d)

Melanin and keratin

69.

Which of the following structures is NOT formed by keratin?

a)

tip of the nose

b)

hair

c)

reptile scales

d)

feathers

70.

What two layers make up skin?

a)

epidermis and dermis

b)

melanin and keratin

c)

keratin and dermis

d)

epidermis and melanin

71.

The top layer of the epidermis is made of

a)

flat, dead cells

b)

melanin

c)

collagen

d)

healthy, living cells

72.

Which of the following is NOT a function of skin?

a)

helps regulate body temperature

b)

removes body wastes

c)

contracts and relaxes muscles

d)

helps prevent infection

73.

which of the following statements about lungs is INCORRECT?

a)

they are muscular

b)

they are elastic

c)

they are surrounded by pleura

d)

they are above the diapgram

74.

which of the following activities is the best analogy for respiration?

a)

exchanging gifts

b)

receiving a gift

c)

sitting in a chair

d)

giving a gift

75.

what structures serves as a passageway for both air and food?

a)

pharynx

b)

trachea

c)

larynx

d)

bronchus

76.

Air is forced into the lungs by the contraction of the?

a)

alveoli

b)

bronchioles

c)

diaphragm

d)

heart

77.

chronic bronchitis, emphysema, and lung cancer can be caused by?

a)

swollen bronchi

b)

enlarged alveoli

c)

groups of cancer cells

d)

smoking

78.

How many bones are in the adult human body?

a)

150

b)

200

c)

206

d)

212

79.

Where are Harversian canals located?

a)

in the periosteum

b)

running through compact bone

c)

running through cartilage

d)

running through spongy bone

80.

which of the following provides support for the body, attachment sites for muscles, and protection for internal organs?

a)

skeleton

b)

skin

c)

spinal cord

d)

joints

81.

which of the following is NOT part of the axial skeleton?

a)

skull

b)

vertabral column

c)

pelvis

d)

rib cage

82.

which of the following is NOT true about spongy bone?

a)

It is less dense than compact bone

b)

It is organized into structures that resemble a bridges supporting girders

c)

it is soft and spongy

d)

it adds strength to the bone without adding mass

83.

ligaments connect

a)

cartilage to bone

b)

muscle to muscle

c)

bone to muscle

d)

bone to bone

84.

what body part has a joint that works in a manner similar to a door?

a)

wrist

b)

thumb

c)

skull

d)

knee

85.

About what percentage of the mass of the human body is made up of muscle?

a)

less than 10 percent

b)

20 percent

c)

30 percent

d)

more than 40 percent

86.

where is cardiac muscle tissue located in the body?

a)

heart

b)

ribs

c)

skull

d)

bones

87.

the elbow joint bends when the?

a)

triceps muscle contracts

b)

triceps muscle relaxes

c)

biceps muscle contracts

d)

biceps muscle relaxes

88.

Which is the correct direction of blood flow?

a)

right atrium- right ventricle- pulmonary artery

b)

right atrium- left atrium- pulmonary artery

c)

left ventricle- pulmonary artery- aorta

d)

left ventricle- left atrium- aorta

89.

which of the following is true about blood pressure?

a)

It is not affected by atherosclerosis

b)

It is lower in veins that arteries

c)

It drops a great deal when traveling through arteries

d)

Diastolic pressure is higher than systolic pressure

90.

When the heart contracts, it produces a wave of fluid pressure in the..

a)

veins

b)

arteries

c)

capillaries

d)

pharynx

91.

When an infection occurs, the number of

a)

red blood cells increases

b)

red blood cells decreases

c)

white blood cells inceases

d)

white blood cells decreases

92.

How much blood does the human body contain?

a)

1-2 liters

b)

4-6 liters

c)

8-10 liters

d)

12-14 liters

93.

The american heart association recommends a diet with a maximum of

a)

30 percent of calories from fat, in addition to 10 percent from unsaturated fats

b)

40 percent of calories, of which only 20 percent should be from unsaturated fats

c)

50 percent of calories from saturated fats

d)

30 percent of calories from fat, which only 10 percent should be from saturated fats

94.

The energy available in foods can be measured by

a)

first determining which nutrients the body needs

b)

burning foods

c)

tracing chemical pathways

d)

all of the above

95.

water is lost from the body by each of the following EXCEPT

a)

sweating

b)

urinating

c)

respiration

d)

digestion

96.

According to the Food Guide Pyramid, the majority of food in your diet should be from the

a)

fruit group

b)

bread, cereal, rice, and pasta group

c)

vegetable group

d)

milk, yogurt, and cheese group

97.

where does the process of chemical digestion begin?

a)

stomach

b)

small intestine

c)

mouth

d)

esophagus

98.

The energy available in foods can be measured by

a)

First determining which nutrients the body needs

b)

burning the foods

c)

tracing chemical pathways

d)

all of the above

99.

The process by which oxygen and carbon dioxide are exchanged between cells, the blood, and the air in the lungs is called

a)

Systemic Circulation

b)

Respiration

c)

Emphysema

d)

Cellular Respiration

100.

What structure serves as a passageway for both air and food

a)

Pharynx

b)

Trachea

c)

Larynx

d)

Bronchus

101.

Air is forced into the lungs by the contraction of the

a)

Alveoli

b)

Bronchioles

c)

Diaphragm

d)

Heart

102.

Generally speaking, what controls breathing?

a)

The brain

b)

the lungs

c)

the diaphragm

d)

the heart

103.

Chronic bronchitis, emphysema, and lung cancer can be caused by

a)

Swollen Bronchi

b)

Enlarged alveoli

c)

Groups of cancer cells

d)

Smoking

104.

The energy to perform actions as well as the materials from which body cells and tissues are made comes from _________

a)

cellulose

b)

Oxygen

c)

Food

d)

Blood

105.

The energy available in food can be measured by______

a)

first determining which nutrients the body needs

b)

Burning the food

c)

tracing chemical pathways

d)

All of the above

106.

The main organs of the excretory system are the ________

a)

Kidneys

b)

lungs

c)

intestines

d)

ureters

107.

What percentage of the filtrate's water that enters Bowman's capsule is reabsorbed into the blood?

a)

The composition of the blood

b)

regulatory hormones that are released in response to the composition of blood

c)

Both A and B

d)

none of the above

108.

In the kidneys, both useful substances and wastes are removed from the blood by _____

a)

reabsorption

b)

excretion

c)

dialysis

d)

filtration

109.

what happens when the keratin-producing cells of the skin die?

a)

Melanin and keratin are produced

b)

An additional dermis layer is formed

c)

A waterproof coating is formed

d)

Melanin is produced

110.

What two layers make up the skin?

a)

Keratin and dermis

b)

Epidermis and melanin

c)

Epidermis and dermis

d)

Melanin and keratin

111.

Which of the following is NOT part of the integumentary system?

a)

Skin

b)

Cartilage

c)

Nails

d)

Hair

112.

From which of the following does the basic structure of hair and nails form?

a)

Sweat

b)

Melanin

c)

Collagen

d)

Keratin

113.

Which of the following are tubelike pockets of epidermal cells that extend into the dermis?

a)

Epidermal layers

b)

Keratin layers

c)

Melanin layers

d)

Hair follicles

114.

The energy in foods can be measured by?

a)

first determining which nutrients the body needs

b)

burning the foods

c)

tracing chemical pathways

d)

all of the above

115.

The American Heart Association recommends a diet with a maximum of?

a)

40 percent of calories from fat, of which only 20 percent should be from unsaturated fats

b)

30 percent of calories from saturated fat, in addition to 10 percent from unsaturated fats

c)

50 percent of calories from saturated fats

d)

30 percent of calories from fat, of which only 10 percent should be from saturated fats

116.

what is the minimum amount of water you should drink everyday?

a)

0.5 liter

b)

1 liter

c)

2 liters

d)

3 liters

117.

where does the process of chemical digestion begin?

a)

stomach

b)

esophagus

c)

small intestine

d)

mouth

118.

what is one of the roles of the pancreas in nutrition?

a)

absorbs nutrients

b)

churns food

c)

dissolves food

d)

neutralizes acids

119.

Which of the following statements about the lungs is INCORRECT

a)

they are muscular

b)

they are elastic

c)

the are surrounded by pleura

d)

they are above the diaphragm

120.

The process by which oxygen and carbon dioxide are exchanged between cells, the blood, and air in the lungs is called

a)

systemic circulation

b)

respiration

c)

emphysema

d)

cellular respiration

121.

Generally speaking, what controls breathing?

a)

the brain

b)

the lungs

c)

the heart

d)

the diaphragm

122.

What structure serves as a passageway for both air and food?

a)

pharynx

b)

trachea

c)

larynx

d)

bronchus

123.

what gas, found in cigarette smoke, blocks the transport of oxygen by hemoglobin the blood

a)

hydrogen peroxide

b)

carbon dioxide

c)

carbon monoxide

d)

sodium bicarbonate

124.

How many bones are found in the adult human skeleton?

a)

150

b)

200

c)

206

d)

212

125.

Which of the following is true about red bone marrow?

a)

It makes blood cells

b)

It stores fat

c)

Produces new bone

d)

It is found in compact bones of adults

126.

If a bone is broken, which of the following produces new bone tissue to heal the break?

a)

Marrow

b)

Haversian canals

c)

osteoblasts

d)

leukocytes

127.

Ossification occurs in which of the following?

a)

embryos

b)

newborn children and teens

c)

embryos and newborn children

d)

embryos, newborn children, and teens

128.

The main function of the skull is to

a)

produce blood cells

b)

protect the heart

c)

protect the brain

d)

act like a lever for muscle attatchment

129.

which of the following isNOT a phase in the menstrual cycle?

a)

menstruation

b)

luteal

c)

fertilization

d)

ovulation

130.

which of the following is a gland of the endocrine system?

a)

sweat gland

b)

tear gland

c)

pituitary gland

d)

all of the above

131.

unlike endocrine glands, exocrine glands

a)

release secretions through ducts

b)

release hormones

c)

release secretions directly into the bloodstream

d)

are found throughout the body

132.

one way the endocrine system helps maintain homeostasis is by having

a)

each gland secrete only one hormone

b)

two hormone with opposite affects regulate certain things

c)

only steroid hormones regulate important functions

d)

the pituitary gland regulate all the other glands

133.

which endocrine secretes sex hormones

a)

adrenal medulla

b)

testes

c)

hypothalamus

d)

pituitary

134.

The endocrine system

a)

affects only the reproductive system

b)

releases hormones into the bloodstream

c)

competes with the nervous system

d)

is made up primarily of glands with ducts

135.

Which of the following is a gland of the endocrine system?

a)

sweat gland

b)

tear gland

c)

pituitary gland

d)

all of the above

136.

Unlike nonsteroid hormones, steriod hormones

a)

remain outside the target cell.

b)

have no target cells.

c)

are made of proteins.

d)

bind to receptors inside the target cell.

137.

Feedback inhibition means that an increase in a substance will

a)

decrease production of that substance.

b)

increase production of that substance.

c)

increase the production of other substances.

d)

stop production of another substance.

138.

Which gland produces epinephrine and norepinephrine?

a)

parathyriod

b)

pituitary

c)

hypothalamus

d)

adrenal

139.

the energy to preform actions, as well as the materials from which body cells and tissues are made, comes from

a)

food

b)

cellulose

c)

oxygen

d)

blood

140.

the function of the excretory system is to control homeostasis are the

a)

break down nutrients

b)

remove wastes

c)

absorb nutrients

141.

the main organs in the excretory system are the

a)

kidneys

b)

lungs

c)

intestines

d)

ureters

142.

which of the following is NOT part of a nephron

a)

urethra

b)

renal vein

c)

glomerulus

d)

bowman's capsule

143.

what percentage of the filtrate's water that enters Bowman's capsule is reabsorbed into the blood?

a)

100 percent

b)

99 percent

c)

50 percent

d)

less than 25 percent

144.

puberty usually between the ages of

a)

5 and 8

b)

9 and 15

c)

16 and 19

d)

20 and 25

145.

testosterone is needed for the development of

a)

eggs

b)

sperm

c)

the uterus

d)

all of the above

146.

witch structure produces sperm

a)

scrotum

b)

epididyemis

c)

seminiferous tubules

d)

vas deferens

147.

one menstrual cycle usually lasts about a

a)

day

b)

week

c)

month

d)

year

148.

menstruation does not occur if the

a)

uterine lining thickens

b)

estrogen level falls

c)

progesterone level falls

d)

egg is fertilized

149.

Puberty usually begins between the ages of

a)

5 and 8

b)

9 and 15

c)

16 and 19

d)

20 and 25

150.

The testes and the ovaries do not begin making active reproductive cells until

a)

birth

b)

fertilization

c)

gastrulation

d)

puberty

151.

Testosterone is needed for the development of

a)

eggs

b)

sperm

c)

the uterus

d)

all of the above

152.

How many ova do the ovaries usually produce?

a)

1 per day

b)

about 20 per year

c)

1 between them each month

d)

200 million at a time

153.

Which of the following is NOT a phase in the menstrual cycle?

a)

menstruation

b)

luteal

c)

fertilization

d)

ovulation

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