Deck 9: Body Structure and Function

Question 1

Which is the outer layer of the skin?

A)Dermis
B)Epidermis
C)Epithelium
D)Nerves

Answer 1

Epidermis

Question 2

How many chromosomes are in each cell?

A)15
B)23
C)46
D)92

Answer 2

46

Question 3

Each cell has the same

A)Basic structure
B)Function
C)Size
D)Shape

Answer 3

Basic structure

Question 4

Which helps the body regulate temperature?

A)The dermis
B)The epidermis
C)The sweat glands
D)The oil glands

Question 5

Which is not a function of the skin?

A)It allows bacteria and other substances to enter the body.
B)It prevents excessive amounts of water from leaving the body.
C)It protects organs from injury.
D)It helps regulate body temperature.

Question 6

Which allows the body to move by stretching and contracting?

A)Epithelial tissue
B)Connective tissue
C)Muscle tissue
D)Nerve tissue

Question 7

Which controls inherited traits?

A)Protoplasm
B)Chromosomes
C)Genes
D)Sex cells

Question 8

Which helps keep the hair and skin soft and shiny?

A)The dermis
B)The epidermis
C)The sweat glands
D)The oil glands

Question 9

Where are blood vessels,nerves,sweat and oil glands,and hair roots found?

A)The dermis
B)The epidermis
C)The integument
D)The epithelium

Question 10

What gives skin its color?

A)Genes
B)Chromosomes
C)Pigment
D)Epidermis

Question 11

Systems are

A)Groups of organs that work together to perform special functions
B)Tissues that cover internal and external body surfaces
C)Tissues that receive and carry impulses to the brain and body parts
D)Connective tissue that anchors,connects,and supports the body

Question 12

The musculoskeletal system does all of the following except

A)Provide the framework for the body
B)Allow the body to move
C)Protect the body
D)Help regulate body temperature

Question 13

Which part of the cell directs the cell's activities?

A)Cell membrane
B)Cytoplasm
C)Protoplasm
D)Nucleus

Question 14

The process of cell division is called

A)Protoplasm
B)Chromosomes
C)Nucleosis
D)Mitosis

Question 15

Where is the nucleus located?

A)Outside the cell
B)At the center of the cell
C)Inside the genes
D)Inside the chromosomes

Question 16

Groups of cells with similar functions are

A)Tissues
B)Organs
C)Chromosomes
D)Genes

Question 17

Groups of tissues with the same function form

A)Systems
B)Organs
C)Mitosis
D)Chromosomes

Question 18

The basic unit of body structure is the

A)Cell
B)Nucleus
C)Organ
D)System

Question 19

Which statement about the integumentary system is incorrect?

A)It is the skin.
B)It is the body's natural covering.
C)It is the largest body system.
D)It has 3 layers.

Question 20

To live and function,cells need

A)Carbon dioxide and blood
B)Food,water,and oxygen
C)Genes and oxygen
D)Genes and blood

Question 21

Muscles are connected to bones by

A)Ligaments
B)Cartilage
C)Tendons
D)Joints

Question 22

Which allow movement?

A)Joints
B)Cartilage
C)Tendons
D)Ligaments

Question 23

Swallowing,coughing,and vomiting are controlled by the

A)Midbrain
B)Pons
C)Medulla
D)Cerebral cortex

Question 24

Which is not a function of muscles?

A)Movement of body parts
B)Maintenance of posture
C)Production of body heat
D)Regulation of body temperature

Question 25

The point at which two or more bones meet is

A)A joint
B)Cartilage
C)Muscles
D)Tendons

Question 26

The brainstem contains all of the following structures except the

A)Midbrain
B)Pons
C)Medulla
D)Cerebral cortex

Question 27

Blood cells are manufactured in the

A)Cartilage
B)Tendons
C)Bone marrow
D)Periosteum

Question 28

The spinal cord is about _____ inches long.

A)12
B)18
C)24
D)30

Question 29

Thought and intelligence are centered in the

A)Cerebrum
B)Cerebellum
C)Midbrain
D)Brainstem

Question 30

Which is not a main part of the brain?

A)Cerebrum
B)Cerebellum
C)Spinal cord
D)Brainstem

Question 31

Which are voluntary muscles?

A)Arm and leg muscles
B)Stomach muscles
C)Cardiac muscle
D)Intestinal muscles

Question 32

The hips and shoulders are _____ joints.

A)Ball-and-socket
B)Hinge
C)Pivot
D)Ligament

Question 33

Which part of the bone contains blood vessels that supply bone cells with oxygen?

A)Cartilage
B)Tendons
C)Bone marrow
D)Periosteum

Question 34

Which bones bear the body's weight?

A)Long bones
B)Short bones
C)Flat bones
D)Irregular bones

Question 35

Pathways that conduct messages to and from the brain are contained in the

A)Brainstem
B)Pons
C)Spinal cord
D)Meninges

Question 36

Heart rate,breathing,and blood vessel size are controlled by the

A)Midbrain
B)Pons
C)Medulla
D)Cerebral cortex

Question 37

Damage to the cerebral cortex can affect all of the following except

A)Balance and coordination
B)Reasoning and memory
C)Speech and vision
D)Hearing and sensation

Question 38

Which regulates and coordinates body movements?

A)The cerebral cortex
B)The cerebrum
C)The cerebellum
D)The brainstem

Question 39

The connective tissue at the end of long bones is called

A)Ligaments
B)Cartilage
C)Tendons
D)Joints

Question 40

Bones are held together at a joint by

A)Cartilage
B)Tendons
C)Ligaments
D)Periosteum

Question 41

The liquid part of the blood is

A)Red blood cells
B)White blood cells
C)Hemoglobin
D)Plasma

Question 42

The waxy substance secreted by glands in the ear is

A)Cerumen
B)Malleus
C)Incus
D)Cochlea

Question 43

The circulatory system does all of the following except

A)Carries food and oxygen to cells
B)Carries heat from muscles to other body parts
C)Removes waste from the body
D)Pumps blood

Question 44

The sympathetic nervous system

A)Regulates voluntary muscles
B)Controls thought and intelligence
C)Speeds up body functions
D)Slows down body functions

Question 45

The white of the eye is the

A)Sclera
B)Pupil
C)Cornea
D)Iris

Question 46

Nerve fibers for vision are found in the

A)Sclera
B)Cornea
C)Iris
D)Retina

Question 47

The opening in the middle of the iris is the

A)Sclera
B)Pupil
C)Cornea
D)Choroid

Question 48

What substance gives red blood cells their color?

A)Oxygen
B)Carbon dioxide
C)Hemoglobin
D)Plasma

Question 49

Besides hearing,another ear function is

A)Balance
B)Touch
C)Hammering
D)Sensation

Question 50

The tympanic membrane is also called the

A)Eardrum
B)Hammer
C)Anvil
D)Stirrup

Question 51

Which separates the external ear and the middle ear?

A)The malleus
B)The incus
C)The stapes
D)The tympanic membrane

Question 52

The peripheral nervous system consists of

A)The spinal cord
B)Cranial nerves and spinal nerves
C)The cerebrum,cerebellum,and brainstem
D)The right and left hemispheres

Question 53

What system is stimulated when you are excited,exercising,or scared?

A)The central nervous system
B)The autonomic nervous system
C)The sympathetic nervous system
D)The parasympathetic nervous system

Question 54

The circulatory system does all of the following except

A)Carries food and oxygen to the cells
B)Removes waste products from the cells
C)Produces cells that defend the body against infection
D)Brings oxygen into the body

Question 55

Light enters the eye through the

A)Sclera
B)Cornea
C)Iris
D)Retina

Question 56

Which carries messages to the brain?

A)The auditory nerve
B)The semicircular canals
C)The cochlea
D)The eustachian tube

Question 57

Red blood cells are bright red when they are saturated with

A)Oxygen
B)Carbon dioxide
C)Hemoglobin
D)Plasma

Question 58

In bright light,pupil size

A)Increases
B)Stays the same
C)Decreases
D)Widens

Question 59

The cerebrospinal fluid

A)Protects the brain and spinal cord
B)Conducts messages to and from the brain
C)Controls thought and intelligence
D)Controls movement and balance

Question 60

Red blood cells,white blood cells,and platelets are produced by

A)The heart
B)The bone marrow
C)The valves
D)Hemoglobin

Question 61

All of the following provide a bony framework to protect the lungs except the

A)Ribs
B)Sternum
C)Vertebrae
D)Diaphragm

Question 62

Which carries blood from the legs and trunk back to the heart?

A)Inferior vena cava
B)Superior vena cava
C)Aorta
D)Veins

Question 63

Which heart chamber receives blood from body tissues?

A)Right atrium
B)Left atrium
C)Right ventricle
D)Left ventricle

Question 64

Which vessels are involved in passing food and oxygen to the cells?

A)Arteries
B)Capillaries
C)Veins
D)Venules

Question 65

Oxygen and carbon dioxide are exchanged

A)During inspiration and expiration
B)During inhalation and exhalation
C)Between the alveoli and capillaries
D)At the pharynx and larynx

Question 66

Another name for the trachea is the

A)Nose
B)Mouth
C)Windpipe
D)Alveoli

Question 67

Which is the largest artery?

A)Aorta
B)Carotid artery
C)Radial artery
D)Brachial artery

Question 68

Normally,air enters the body through the

A)Nose
B)Mouth
C)Windpipe
D)Alveoli

Question 69

Which vessels carry blood back to the heart?

A)Arteries
B)Capillaries
C)Veins
D)Venules

Question 70

The process of breaking food down physically and chemically for absorption and use by the body is

A)Peristalsis
B)Digestion
C)Metabolism
D)Mitosis

Question 71

The process of supplying the cells with oxygen and removing carbon dioxide from them is

A)Respiration
B)Inhalation
C)Expiration
D)Circulation

Question 72

Which is the working phase of the heart?

A)Bicuspid valve
B)Tricuspid valve
C)Systole
D)Diastole

Question 73

Each lung is covered by a sac called the

A)Bronchus
B)Bronchiole
C)Alveoli
D)Pleura

Question 74

Which is the muscular part of the heart?

A)The pericardium
B)The myocardium
C)The endocardium
D)The ventricles

Question 75

Which heart chamber pumps blood to all parts of the body?

A)Right atrium
B)Left atrium
C)Right ventricle
D)Left ventricle

Question 76

Which vessels carry blood away from the heart?

A)Arteries
B)Capillaries
C)Veins
D)Venules

Question 77

After passing through the trachea,air enters the

A)Right bronchus and left bronchus
B)Bronchioles
C)Alveoli
D)Pharynx and larynx

Question 78

White blood cells

A)Are needed for clotting
B)Carry oxygen and carbon dioxide
C)Protect the body against infection
D)Produce heat

Question 79

Which separates the lungs from the abdominal cavity?

A)The pharynx
B)The larynx
C)The bronchus
D)The diaphragm

Question 80

Inspiration involves

A)Breathing in
B)Breathing out
C)Breathing in and out
D)Exhalation