4.3 Flashcards

Skull (44 cards)

1
Q

Axial Skeleton primary function

A

Protects the brain, spinal cord, heart, and lungs

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2
Q

Bones included in the Axial Skeleton (7)

A

-Cranium
-Facial bones
-Hyoid
-Sternum
-Ribs
-Vertebrae
-Sacrum

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3
Q

Primary function of the Appendicular Skeleton

A

Attaches the appendages to the axial skeleton

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4
Q

What bone marking is a prominent rounded surface (for articulation)?

A

Head

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5
Q

What bone marking is a rounded surface (for articulation)?

A

Condyle

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6
Q

What bone marking is a flat surface (for articulation)?

A

Facet

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7
Q

What bone marking is a prominence feature (projection)?

A

Process

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8
Q

What bone marking is a small, rounded process (projection)?

A

Tubercle

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9
Q

What bone marking is a rough surface (projection)?

A

Tuberosity

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10
Q

What bone marking is a sharp process (projection)?

A

Spine

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11
Q

What bone marking is an elongated basin (depression)?

A

Fossa

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12
Q

What bone marking is a hole through bone?

A

Foramen

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13
Q

What bone marking is a passage in bone?

A

Canal

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14
Q

what is the only movable bone of the skull?

A

Mandible (lower jaw bone)

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15
Q

What is the bone superior to the orbits that contains the supraorbital foramen.

A

Frontal bone

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16
Q

what is the nerve passageway in the frontal bone

A

Supraorbital foramen

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17
Q

What is the bone that forms the upper jaw, roof of the mouth, and contains the infraorbital foramen?

A

Maxilla bone

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18
Q

what is the bone that articulates with the temporal bone to form the zygomatic arch?

A

Zygomatic bone

19
Q

what is the passage to the ear located in the temporal bone

A

External acoustic meatus

20
Q

What is the the muscle attachment feature on the posterior portion of the temporal bone?

A

Mastoid process

21
Q

What is the bone that contains the large opening for the brain and spinal cord, the foramen magnum?

A

Occipital bone

22
Q

what is the articulation points on the occipital bone that meet the atlas vertebra?

A

Occipital condyles

23
Q

what is the large hole allowing passage between the spinal cord and the brain?

A

Foramen magnum

24
Q

What are the articulations between skull bones

25
What isThe name for the "soft spots" between incompletely formed skull bones in an infant?
Fontanelles
26
What is the suture between the two parietal bones
Sagittal suture
27
What is the suture where the frontal bone meets the parietal bones?
Coronal suture
28
what is the last fontanelle to fully ossify, located at the junction of the coronal and sagittal sutures
Anterior fontanelle
29
what is the fontanelle located at the junction of the sagittal and lambdoidal sutures
Posterior (or Occipital) fontanelle
30
Air-filled cavities within the skull that decrease weight and act as resonant sound chambers
Sinuses
31
The largest sinuses, found within the maxilla bone
Maxillary sinuses
32
The complex keystone bone that articulates with many other skull bones and separates the anterior and middle cranial fossae
Sphenoid bone
33
The saddle-like depression in the sphenoid bone where the pituitary gland sits
Sella turcica
34
The feature of the ethmoid bone that extends superiorly and provides an attachment point for the meninges (brain coverings)
Crista galli
35
The bone and process that forms the posterior roof of the mouth
Palatine bone
36
The bone that forms the posterior nasal cavity
Vomer
37
Quiz question:The last fontanelle to ossify fully is usually the:
Anterior fontanelle
38
Quiz question: The occipital bone primarily forms the:
Base of the cranium
39
Quiz question: A fibrous membrane that connects cranial bones at birth is:
A fontanelle
40
Quiz question: The palatine bone forms the roof of the:
Mouth
41
Quiz question: What bone forms the ridge of the cheek bone of the face?
Zygomatic
42
Quiz question: Which of the following is not part of the axial skeleton? 1. Skull 2. Shoulders 3. Ribs 4. Vertebrae
shoulders
43
Quiz question: Which of the following is not part of the axial skeleton? 1. Ethmoid 2. Clavicle 3. Sternum 4. All are bones of the axial skeleton
Clavicle
44
Quiz question: A small slit through a bone is a:
Fissure