Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A&P > Skeletal > Flashcards

Skeletal Flashcards

1
Q

What is the difference between red marrow and yellow marrow? 

A

Red marrow: produces blood cells
Yellow marrow: stores fats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens to bone if the mineral salt content is too high? 

A

Bone becomes brittle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens to bone if the mineral salt content is too low?

A

Bone becomes soft & bendy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cells that dissolve bone extracellular matrix 

A

Osteoclasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cells that secrete bone extracellular matrix

A

Osteoblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False

Compact bone contains trabeculae

A

False

True statement:
Lacunae
Osteons
Lamellae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Within _____, the structural unit of compact bone, cells called _____ live in small spaces called _____ and communicate with each other through numerous small channels called _____.

A

Osteons
Osteocytes
Lacunae
Canaliculi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which bones have spongy bone and which have compact bone?

A

All bones have both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Difference between trabeculae and osteons

A

Trabeculae are spongy bones and look like a lattice while osteons are compact bone and are cylindrical shape

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Locations where red bone marrow is preserved into adulthood 

A

Hips, ribs, sternum, vertebrae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cube-shaped bones in the wrist and ankle are what kind of bones?

A

Short bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cranial bones, sternum, ribs, and scapulae are what type of bones?

A

Flat bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bones touch other bones where?

A

Articular cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the shaft or body of a long bone?

A

Diaphysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Endochondral ossification in the diaphysis spread from…

A

The middle towards the end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Embryonic mesenchyme gives rise to bone directly in _____ ossification, which _____ involve an epiphyseal plate.

A

Intramembranous, does not

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The cell responsible for the growth in length of long bones is what?

A

Chondrocyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Complete fracture

A

Bone entirely broken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Incomplete/partial fracture

A

Bone cracks but still 1 piece

20
Q

Open fracture

A

Skin broken
Aka compound fracture

21
Q

Closed fracture

A

Skin intact
Aka simple fracture

22
Q

Displaced fracture

A

Ends of fracture fragments separated

23
Q

Nondisplaced fracture

A

Fragments remain in alignment and position

24
Q

Bone healing process

A
  1. Bleeding
  2. Inflammation (fibroblasts)
  3. Collagen/fibrosis (chondroblasts)
  4. Collagen/fibrosis (osteoblasts)
  5. Callus
  6. Remodeling
25
Q

When blood calcium _____, parathyroid hormone increases, resulting in calcium moving _____ the bones

A

Falls, out of

26
Q

The hormone calcitonin encourages the body to remove calcium from the blood and put it in the bones. This is _____ and is done by _____.

A

Deposition, osteoblasts

27
Q

Blood calcium falls, so calcium is taken from the bones to restore a normal blood level. This is _____ and is done by _____.

A

Resorption, osteoclasts

28
Q

Needed for collagen synthesis, deficiency = slow bone growth and repair:

A

Vitamin C

29
Q

Can be made from sunlight and cholesterol or absorbed from the diet, stimulates calcium absorption

A

Vitamin D

30
Q

What stimulates bone growth

A

Thyroid hormone
Growth hormone
Insulin and insulin-like growth factors
Vitamin B12
Vitamin D
Vitamin C
Vitamin K
Vitamin A

31
Q

Bone resorption _____ with weight-bearing exercise and _____ with aging.

A

Decreases, increases

32
Q

Fontanels become what

A

Sutures

33
Q

How many bones in the body?

A

206

34
Q

What does the axial skeleton consist of?

A

Skull, ribs, sternum, vertebrae

35
Q

What does the appendicular skeleton consist of?

A

Limbs and girdles

36
Q

Convex curves are found in what parts of the spine? 

A

Cervical and lumbar 

37
Q

Concave curves are found in what parts of the spine? 

A

Thoracic and sacral 

38
Q

An intervertebral disk is _____ on the outside and _____ on the inside 

A

Fibrocartilage, elastic/pulpy

39
Q

What does an intervertebral foramen contain?

A

A spinal nerve

40
Q

What does the vertebral foremen contain? 

A

The spinal cord

41
Q

The lumbar vertebrae’s movement is limited by what? 

A

Joint articulations 

42
Q

What is found in the carpal tunnel? 

A

Flexor tendons and median nerve 

43
Q

The pectoral girdle is _____ than the pelvic girdle 

A

Weaker and more mobile 

44
Q

When does bone destruction begin to outpace bone formation?

A

Middle age

45
Q

What are the ends of long bones called?

A

Epiphysis

46
Q

What is the place between diaphysis and epiphysis called? 

A

Metaphysis (where plate grows)

47
Q

Why does the body have a patella? 

A

For leverage

A&P (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions