Mosbys Textbook for Nursing Assistants 7th Edition by Sheila A. Sorrentino – Test Bank

Mosbys Textbook for Nursing Assistants 7th Edition by Sheila A. Sorrentino – Test Bank

Sorrentino: Mosby’s Textbook for Nursing Assistants, 7^th Edition

Test Bank

Chapter 8: Body Structure and Function

 MULTIPLE CHOICE

1. The basic unit of body structure is the

A.

Cell

B.

Nucleus

C.

Organ

D.

System

ANS: A REF: 97-98

2. Each cell has the same

A.

Basic structure

B.

Function

C.

Size

D.

Shape

ANS: A REF: 98

3. To live and function, cells need

A.

Carbon dioxide and blood

B.

Food, water, and oxygen

C.

Genes and oxygen

D.

Genes and blood

ANS: B REF: 98

4. Which part of the cell directs the cell’s activities?

A.

Cell membrane

B.

Cytoplasm

C.

Protoplasm

D.

Nucleus

ANS: D REF: 98

5. Where is the nucleus located?

A.

Outside the cell

B.

In the center of the cell

C.

Inside the genes

D.

Inside the chromosomes

ANS: B REF: 98

6. How many chromosomes are in each cell?

A.

15

B.

23

C.

46

D.

92

ANS: C REF: 98

7. Which controls inherited traits?

A.

Protoplasm

B.

Chromosomes

C.

Genes

D.

Sex cells

ANS: C REF: 98

8. The process of cell division is called

A.

Protoplasm

B.

Chromosomes

C.

Nucleosis

D.

Mitosis

ANS: D REF: 98

9. Groups of cells with similar functions are

A.

Tissues

B.

Organs

C.

Chromosomes

D.

Genes

ANS: A REF: 97, 99

10. Which allows the body to move by stretching and contracting?

A.

Epithelial tissue

B.

Connective tissue

C.

Muscle tissue

D.

Nerve tissue

ANS: C REF: 99

11. Groups of tissues with the same function form

A.

Systems

B.

Organs

C.

Mitosis

D.

Chromosomes

ANS: B REF: 97, 99

12. 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

ANS: A REF: 97, 99

13. These statements are about the integumentary system. Which 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.

ANS: D REF: 99

14. Which is the outer layer of the skin?

A.

Dermis

B.

Epidermis

C.

Epithelium

D.

Nerves

ANS: B REF: 99

15. What gives skin its color?

A.

Genes

B.

Chromosomes

C.

Pigment

D.

Epidermis

ANS: C REF: 99

16. 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

ANS: A REF: 99

17. Which helps the body regulate temperature?

A.

The dermis

B.

The epidermis

C.

The sweat glands

D.

The oil glands

ANS: C REF: 99

18. Which help keep the hair and skin soft and shiny?

A.

The dermis and epidermis

B.

The chromosomes

C.

The sweat glands

D.

The oil glands

ANS: D REF: 99

19. 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.

ANS: A REF: 100

20. The musculoskeletal system does the following except

A.

Provides the framework for the body

B.

Lets the body to move

C.

Protects the body

D.

Helps regulate body temperature

ANS: D REF: 100

21. Which bones bear the body’s weight?

A.

Long bones

B.

Short bones

C.

Flat bones

D.

Irregular bones

ANS: A REF: 100

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

A.

Cartilage

B.

Tendons

C.

Bone marrow

D.

Periosteum

ANS: D REF: 100

23. Blood cells are formed in the

A.

Cartilage

B.

Tendons

C.

Bone marrow

D.

Periosteum

ANS: C REF: 100

24. The point at which two or more bones meet is

A.

A joint

B.

Cartilage

C.

Muscles

D.

Tendons

ANS: A REF: 101

25. Bones are held together at a joint by

A.

Cartilage

B.

Tendons

C.

Ligaments

D.

Periosteum

ANS: C REF: 101

26. Which allow movement?

A.

Joints

B.

Cartilage

C.

Tendons

D.

Ligaments

ANS: A REF: 101

27. The hips and shoulders are

A.

Ball-and-socket joints

B.

Hinge joints

C.

Pivot joints

D.

Ligament joints

ANS: A REF: 101

28. Which are voluntary muscles?

A.

Arm and leg muscles

B.

Stomach muscles

C.

Heart muscles

D.

Intestinal muscles

ANS: A REF: 102

29. 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

ANS: D REF: 102

30. Muscles are connected to bones by

A.

Ligaments

B.

Cartilage

C.

Tendons

D.

Joints

ANS: C REF: 102

31. The connective tissue at the end of long bones is called

A.

Ligaments

B.

Cartilage

C.

Tendons

D.

Joints

ANS: B REF: 101

32. Which is not a main part of the brain?

A.

Cerebrum

B.

Cerebellum

C.

Spinal cord

D.

Brainstem

ANS: C REF: 103

33. Thought and intelligence are centered in the

A.

Cerebrum

B.

Cerebellum

C.

Midbrain

D.

Brainstem

ANS: A REF: 103

34. Damage to the cerebral cortex can affect the following except

A.

Balance and coordination

B.

Reasoning and memory

C.

Speech and vision

D.

Hearing and sensation

ANS: A REF: 103

35. Which regulates and coordinates body movements?

A.

The cerebral cortex

B.

The cerebrum

C.

The cerebellum

D.

The brainstem

ANS: C REF: 103

36. The brainstem contains the following structures except

A.

The midbrain

B.

The pons

C.

The medulla

D.

The cerebral cortex

ANS: D REF: 103

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

A.

Midbrain

B.

Pons

C.

Medulla

D.

Cerebral cortex

ANS: C REF: 103

38. Swallowing, coughing, and vomiting are controlled by the

A.

Midbrain

B.

Pons

C.

Medulla

D.

Cerebral cortex

ANS: C REF: 103

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

A.

Brainstem

B.

Pons

C.

Spinal cord

D.

Meninges

ANS: C REF: 103

40. The spinal cord is about

A.

12 inches long

B.

18 inches long

C.

24 inches long

D.

30 inches long

ANS: B REF: 103

41. 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

ANS: A REF: 103

42. 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

ANS: B REF: 103

43. The sympathetic nervous system

A.

Regulates voluntary muscles

B.

Controls thought and intelligence

C.

Speeds up body functions

D.

Slows down body functions

ANS: C REF: 103

44. Which 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

ANS: C REF: 104

45. The white of the eye is the

A.

Sclera

B.

Pupil

C.

Cornea

D.

Iris

ANS: A REF: 104

46. The opening in the middle of the iris is the

A.

Sclera

B.

Pupil

C.

Cornea

D.

Choroid

ANS: B REF: 104

47. In bright light, pupil size

A.

Increases

B.

Stays the same

C.

Decreases

D.

Widens

ANS: C REF: 104

48. Nerve fibers for vision are found in the

A.

Sclera

B.

Cornea

C.

Iris

D.

Retina

ANS: D REF: 104

49. Light enters the eye through the

A.

Sclera

B.

Cornea

C.

Iris

D.

Retina

ANS: B REF: 104

50. Besides hearing, another ear function is

A.

Balance

B.

Touch

C.

Hammering

D.

Sensation

ANS: A REF: 104

51. The waxy substance secreted by glands in the ear is

A.

Cerumen

B.

Malleus

C.

Incus

D.

Cochlea

ANS: A REF: 104

52. Which separates the external ear and the middle ear?

A.

The malleus

B.

The incus

C.

The stapes

D.

The tympanic membrane

ANS: D REF: 104

53. The tympanic membrane also is called the

A.

Eardrum

B.

Hammer

C.

Anvil

D.

Stirrup

ANS: A REF: 104

54. Which carries messages to the brain?

A.

The auditory nerve

B.

The semicircular canals

C.

The cochlea

D.

The eustachian tube

ANS: A REF: 104

55. The circulatory system does 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

ANS: D REF: 105

56. The circulatory system does 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

ANS: C REF: 105

57. The liquid part of the blood is

A.

Red blood cells

B.

White blood cells

C.

Hemoglobin

D.

Plasma

ANS: D REF: 105

58. Which substance gives red blood cells their color?

A.

Oxygen

B.

Carbon dioxide

C.

Hemoglobin

D.

Plasma

ANS: C REF: 97, 105

59. Red blood cells are bright red when they are saturated with

A.

Oxygen

B.

Carbon dioxide

C.

Hemoglobin

D.

Plasma

ANS: A REF: 105

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

A.

The heart

B.

The bone marrow

C.

The valves

D.

Hemoglobin

ANS: B REF: 105