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Anatomy 1080 > Skeletal System > Flashcards

Skeletal System Flashcards

1
Q

Which of the following do not belong in the axial skeleton?

A) pectoral girdle

B) thoracic cage

C) skull

D) vertebral column

A

A) pectoral girdle

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2
Q

The surface of the bone that articulates with another bone is the ______.

A) fossa

B) facet

C) fovea

D) foramen

A

B) facet

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3
Q

Fill in the blanks

The two parietal bones are united at the _______ suture, they meet at the frontal bone at the ______ suture, the temporal bones at the _______ sutures and the occipital bone at the _______ suture.

A

Sagittal
Coronal
Squamous
Lambdoid

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4
Q

Mark the following statements as true/ false

A) the four paranasal sinuses are the frontal, parietal, sphenoidal and mandibular sinuses

B) the cribriform plate is a component of the ethmoid bone

C) the sella turcica of the sphenoid bone houses the pituitary gland

D) the styloid process of the temporal bone is a thick, posterior projection

E) the most conspicuous feature of the temporal bone is the foramen magnum

A

A) false, the four paranasal sinuses are the frontal, sphenoidal, ethmoidal and maxillary sinuses

B) true

C) true

D) false, the mastoid process of the temporal bone is a thick, posterior projection

E) false, the foramen magnum is the most conspicuous feature on the OCCIPITAL bone not the temporal

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5
Q

The only movable bone in the adult skull is the:

A) lacrimal bone

B) mandible

C) vomer bone

D) temporal bone

A

mandible

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6
Q

The structure(s) that divide the nasal cavity into left and right sides is/are the:

A) nasal bones

B) perpendicular plate of the ethmoid bone

C) vomer

D) both A and B are correct

E) both B and C are correct

A

both B and C are correct

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7
Q

Membranous areas or “soft spots” seen in the skull of the infant are called ______

A

Fontanels

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8
Q

True or false

A) the thoracic and sacral curvatures are the vertebral columns concave curvatures

B) a vertebral disc is composed of an inner anulus fibrosus and an outer nucleus pulposus

C) the posterior projection from a vertebrae is the spinous process

D) the sacral, coccygeal, and cervical vertebrae are fused in an adult

A

A) false, the thoracic + sacral curvatures are the CONVEX curvatures of the vertebral column

B) false, a vertebral disc is composed of an OUTER anulus fibrosus and an INNER nucleus pulposus

C) true

D) false, only the sacral and coccygeal vertebrae are fused in an adult

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9
Q

Costal facets are characteristic of which of the following vertebrae?

A) cervical

B) thoracic

C) lumbar

D) sacral

A

B) thoracic

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10
Q

Fill in the blanks

The only bone of the arm is the ______. The forearm consists of the medial _______ and the lateral ______.

A

Humerus
Ulna
Radius

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11
Q

Fill in the blanks

The inferior portion of the sternum is called the ________. The superior portion of the sternum is the _______, and it articulates with the ______ and the first rib

A

Xiphoid process

Manubrium

Clavicle

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12
Q

What part of the scapula articulates with the humerous?

A) supraspinous fossa

B) glenoid cavity

C) coracoid process

D) acromion

A

B) glenoid cavity

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13
Q

The elbow bone is called:

A) capitulum

B) trochlea

C) olecranon

D) deltoid tuberosity

A

C) olecranon

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14
Q

Which of the following is not a proximal carpal bone?

A) pisiform

B) scaphoid

C) lunate

D) hamate

A

D) hamate

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15
Q

The indentation on the posterior surface of the distal Epiphysis of the humerus is the:

A) olecrannon fossa

B) radial groove

C) coronoid fossa

D) trochlear notch

A

A) olecrannon fossa

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16
Q

Fill in the blanks:

The bones in the leg are the medial ______ and the lateral _____. The sesamoid bone that articulates with the distal femur is the _______

A

Tibia

Fibula

Patella

17
Q

What is the name of the central, bony projection palpable on the posterior surface when the elbow is flexed?

A

Olecrannon

18
Q

True or false

After falling a student describes his/her injury s a fractured middle phalanx of the Pollux. Is this possible?

A

False/ no

19
Q

which of the following is responsible for longitudinal bone growth?

A) osteocyte

B) osteoblast

C) osteoclast

D) chrondrocyte

E) osteon

A

D) chrondrocyte

20
Q

What term describes the location of trapped osteocytes in compact bone?

A)Lacunae

B)Canaliculi

C)Lamellae

D)Central canal

A

Lacunae

21
Q

Increased levels of which of the following hormones is most likely to increase blood calcium levels through its effect on bone remodeling?

Which one is most likely to decrease the blood calcium levels?

A) testosterone

B) estrogen

C) growth hormone

D) parathyroid hormone

E) calcitonin

A

D) parathyroid hormone

E) calcitonin

Anatomy 1080 (20 decks)

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