Skin and Bones Test Revision Flashcards

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1
Q

What are the 5 Functions of the Skeletal System?

A

Movement, Support, Protection, Makes Blood and Storage

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2
Q

What are the four basic bone shapes?

A

Long, Short, flat, irregular

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3
Q

Four layers of the bone

A

Periosteum, Compact Bone, Spongy Bone, Bone Marrow.

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4
Q

What two minerals makeup bones?

A

Calcium, phosphorus

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5
Q

Clavicle

A

AKA Collarbone; Holds the shoulder joint away from the upper body.

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6
Q

Scapula

A

located on the back side of the rib cage; provides movement for the arms and shoulder joint.

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7
Q

What are joints?

A

A place where two bones come together and allow bones to move in different ways.

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8
Q

What are immovable joints?

A

A joint that allows little or no movement.

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9
Q

What are movable joints?

A

Joints that allow bones to move in different ways.

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10
Q

What are the four types of moveable joints?

A

Hinge; ball-and-socket, pivot, gliding

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11
Q

What is a ball and socket joint?

Give examples

A

The round end of the bone; fitting snuggly within another bone. Allows the greatest range of motion.
e.g. Shoulder and Hip

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12
Q

What is a hinge joint?

Give Examples

A

Movement in one direction like a door. e.g. knee and elbow.

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13
Q

What is a pivot joint?

Give Examples

A

Bone resting on top of another bone, allowing free movement. e.g. neck and wrist.

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14
Q

What is a gliding joint?

Give Examples

A

Allows one bone to slide over another. It lets you bend and flex as well as limited side-to-side motions. e.g. ankle, wrist.

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15
Q

What is a ligament?

A

Connects bone to bone

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16
Q

What is a tendon?

A

Attaches muscles to bones.

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17
Q

What is a fixed joint?

A

Form between two bits of bone and they don’t move.

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18
Q

What is Cartlidge?

In what joints are they found?

A

A strong and spongy tissue. It forms around the end of ball-and-socket, hinge and pivot joints to protect the end of the bone.

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19
Q

What is synovial fluid?

A

Fills the space between ends of bones in a joint. Acts as a lubricant and shock absorber.

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20
Q

What does periosteum do?

A

Covers bones

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21
Q

What is compact bone?

A

Lies beneath the periosteum. Filled with holes for blood vessels and nerves.

22
Q

What is Spongy Bone?

A

Beneath the compact bone. Lightweight, but strong.

23
Q

What is Bone Marrow?

A

Fills the gaps between spongy bone.

24
Q

What does red bone marrow do?

A

Produces most of the body’s blood cells.

25
Q

What does yellow bone marrow do?

A

Stores fat that serves as an energy reserve.

26
Q

What are epiphyses?

A

The rounded end of a long bone. It forms joints with adjacent bones.

27
Q

What is the role of the musculoskeletal system?

A

Providing the body with structure and movement.

28
Q

What are gamma rays?

Give examples

A

Used for sterilising medical equipment and food, and detection and treatment of some cancers.

29
Q

What are x-rays?

Examples

A

Used for medical imaging and airport security scanners.

30
Q

What is ultraviolet

Give examples

A

Used for sterilising water and killing bacteria.

31
Q

What is visible light?

Give examples

A

Used for lighting, photography, and fibre optic communications.

32
Q

What is infrared?

Give examples

A

Used for short-range communications. e.g. TV remotes, and thermal imaging cameras.

33
Q

What are microwaves?

Give examples

A

Used for satellite communications and cooking food.

34
Q

What are radio waves?

Give examples

A

Used for radio and TV broadcasting and satellite communications.

35
Q

What is the electromagnetic spectrum made up of (smallest wave to biggest wave)

A

Gamma-ray, x-ray, ultraviolet, visible, infrared, microwave, radio wave.

36
Q

What is the difference between x-rays and visible light?

A

X-rays have a higher energy than visible light and they can pass through most objects, including the body.

37
Q

Describe three common uses of medical x-rays for diagnostic purposes.

A

x-ray radiography (detecting bone fractures and foreign objects), mammography (for cancer detection and diagnosis) and CT (more detailed radiographs).

38
Q

What is the Epidermis?

A

Outside layer of skin that protects our bodies; is made of dying cells.

39
Q

What is the Dermis?

A

Below the epidermis, has hair follicles, sweat glands and blood cells.

40
Q

What is Subcutaneous Fat?

A

The bottom layer of skin, keeps the body warm and absorbs shock.

41
Q

What do they do?

How do glands help the integumentary system?

A

By releasing sweat, releasing oils, protecting hair and producing wax (earwax).

42
Q

How does the integumentary system keep the body safe?

Function

A

Eliminates waste, regulates body temperature and produces vitamin D.

43
Q

What are the parts of the integumentary system?

A

Skin, nails, hair, sweat and oil glands.

44
Q

What are the four types of tissue?

A

Epithelial, Connective, Muscle and Nervous.

45
Q

What is Epithelial Tissue?

A

Covers all body surfaces.

46
Q

What is Connective Tissue?

A

Binds structures together; provides support and protection to the skin.

47
Q

What is skeletal muscle?

Describe function and appearance

A

Is elastic and works in pairs. Are striated (have horizontal/parallel markings)

48
Q

Where is smooth muscle found?

A

Lines hollow organs (intestines, stomach, uterus).

49
Q

What is cardiac muscle?

Sizing and markings

A

Striated (has parallel markings) but shorter and smaller.

50
Q

What is Peristeum?

A

The membrane that covers the outside of the bone.