Bones Flashcards

1
Q

How many bones make up the adult skeleton?

A

206 total, 80 are axial and 126 are appendicular

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2
Q

The skull, vertebral column, hyoid bone, and thoracic cage are apart of which part of the skeleton?

A

Axial skeleton

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3
Q

The pectoral girdle, upper limbs, pelvic girdle, and lower limbs are apart of which part of the skeleton?

A

Appendicular skeleton

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4
Q

The smallest bones in the body which are malleus, incus, and stapes are located in?

A

The middle ear

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5
Q

Which bone is located in the neck between the lower jaw and the larynx?

A

Hyoid bone

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6
Q

Which bone does not articulate with any other bones but is fixed in position by muscles and ligaments?

A

Hyoid bone

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7
Q

Which bone supports the tounge and is an attachment for certain muscles that help move the tounge during swallowing?

A

Hyoid bone

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8
Q

What is separated by cartilaganous intervertebral discs and acts as a cushion?

A

Vertebral column

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9
Q

What specific part of the cervical vertebrae supports the head?

A

Atlas

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10
Q

What specific part of the cervical vertebrae allows the head to pivot around dens?

A

Axis

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11
Q

As you move down the vertebral column, the vertebral bodies ____________ in size.

A

Increase

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12
Q

Which bone? Smaller bodies and supports head

A

Cervical vertebrae

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13
Q

Which bone? Attached to ribs

A

Thoracic vertebrae

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14
Q

Which bone? Larger bodies and supports trunk weight

A

Lumbar vertebrae

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15
Q

Which bone? 5 fused segments

A

Sacrum

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16
Q

Which bone? aka the tailbone and has 4 fused segments

A

Coccyx

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17
Q

The thoracic cage includes what 4 things?

A

Ribs, thoracic vertebrae, sternum, and costal cartilage

18
Q

Which bone? Supports pectoral(shoulder) girdle and upper limbs

A

Thoracic cage

19
Q

Humans have ___ pairs of ribs?

20
Q

Which type of ribs are directly connected to the sternum by costal cartilage?

A

True ribs(7)

21
Q

Which type of ribs has cartilage that doesn’t reach the sternum directly?

A

False ribs(5), but 2 pairs are floating ribs

22
Q

Which bone? aka the breastbone and is located along the midline of thoracic cage

23
Q

Which bone? aka shoulder girdle, composed of the clavicle and scapula, and supports upper limbs

A

Pectoral girdle

24
Q

What 3 bones make up the hand?

A

Carpals, metacarpals, and phalanges

25
What 3 bones form the framework of the arm?
Humerus, radius, and ulna
26
Which bone? Forms the pelvis with sacrum and coccyx, composed of 2 coxal(hip) bones, supports trunk of body, provides attachment for lower limbs
Pelvic girdle
27
Coxal bone has 3 fused bones. What are they?
Ilium, Ischium, and Pubis
28
Is this a female or male pelvis? iliac bones flared more laterally, broader hips, pubic arch more rounded, lighter bones
Female pelvis
29
Is this a female or male pelvis? iliac bones flared more inward, narrower hips, pubic arch less rounded, heavier bones
Male pelvis
30
What 3 bones make up the foot?
Tarsals, metatarsals, and phalanges
31
What 4 bones form the framework of the leg?
Femur, patella, tibia, and fibula
32
What is the longest bone in the body?
Femur
33
Condition with the weakening of the bone that occurs with aging?
Osteoporosis
34
Condition with abnormal curvature of the spine?
Scoliosis
35
Term for bone formation
Ossification
36
Provide for longitudinal growth ; increase in length
Epiphyseal plates
37
Increase in diameter
Appositional growth
38
Name for bone building cells
Osteoblasts
39
Name for bone destroying cells
Osteoclasts
40
What is ossification?
The formation of bone from cartilage
41
Soft spot spaces between bones of the skull in an infant
Fontanels
42
What bone part?