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SPEECH A+P EXAM 3 > Lecture 18 > Flashcards

Lecture 18 Flashcards

1
Q

What are the two parts of the skull?

A

1) cranium

2) facial skeleton

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2
Q

What are the 6 bones of the cranium?

A

1) frontal bone
2) parietal bones
3) occipital bone
4) temporal bones
5) ethmoid
6) sphenoid

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3
Q

Which bone forms the forehead?

A

Frontal bone

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4
Q

The frontal bone is an ________ bone located at the ________ part of the cranium. It’s inferior surface is the ________ _____ and its posteriorly bounded by the ________ ______.

A

Unpaired; anterior; orbital margin; coronal suture

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5
Q

Which bone forms the bulk of the brain case?

A

Parietal bones

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6
Q

Which cranial bone is located superiorly, laterally, and posteriorly?

A

Parietal bones

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7
Q

The parietal bones superior midline is the _______ ______ and it joins the frontal bone anteriorly at the _______ ______.

A

Sagittal suture; coronal suture

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8
Q

The infant skull parietal bones have ______ and ________ __________.

A

Anterior and posterior fontanelle

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9
Q

Which bone forms the posterior and inferior portion of the brain case?

A

Occipital bone

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10
Q

The occipital bone articulates superiorly with the ________ bones.

A

Parietal

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11
Q

What is the foramen magnum?

A

The inferior foramen in the occipital bone where the spinal cord passes through

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12
Q

What structures are lateral to the foramen magnum?

A

Occipital condyles

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13
Q

The occipital condyles communicate with the _____

A

Atlas

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14
Q

The portion of the occipital bone anterior to the foramen magnum is called the ______ portion, It forms the ____ of the ________.

A

Basilar; roof of the pharynx

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15
Q

Which bone forms the lateral base of the brain case?

A

Temporal bones

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16
Q

What are the five parts of the temporal bones?

A

1) squamous
2) mastoid process
3) styloid process
4) petrous portion
5) tympanic portion

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17
Q

Which part of the temporal bones is the anterior projections of lateral portion of the skull?

A

Squamous

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18
Q

Which part of the temporal bones is posterior and inferior to the EAM?

A

Mastoid process

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19
Q

Which part of the temporal bones is the origin of several uncles including the stylohyoid, styloglossus, and stylopharungeus?

A

Styloid process

20
Q

Which part of the temporal bones is the base of the skull, is very hard, and houses the hearing organs?

A

Petrous portion

21
Q

Which part of the temporal bones is continuous with the EAM?

A

Tympanic portion

22
Q

The ethmoid bone is projected _________ and ________ from the _____ plates of the frontal bone.

A

Inferiorly; posteriorly; orbital

23
Q

What are the five main structures of the ethmoid?

A

1) cruciform plate
2) crista galli
3) superior nasal turbinate
4) medial nasal turbinate
5) perpendicular plate

24
Q

What are the two horizontal structures of the ethmoid?

A

1) cruciform plate

2) crista galli

25
Q

What are the three vertical parts of the ethmoid?

A

3) superior nasal turbinate
4) medial nasal turbinate
5) perpendicular plate

26
Q

What is the cruciform plate?

A

A porous flat surface of the ethmoid

27
Q

What is the crista galli?

A

The superior projection of the ethmoid

28
Q

What structures for the lateral walls of the nasal cavities?

A

The superior and middle nasal turbinates

29
Q

The __________ _____ forms the upper portion of the bony nasal septum.

A

Perpendicular plate

30
Q

Which bone is probably the most complicated in the body?

A

Sphenoid bone

31
Q

Which bone communicates with all the other cranial bone as well as some facial bones?

A

Sphenoid bone

32
Q

What does the sphenoid bone look like when removed from the rest of the skull?

A

A bat with wings spread

33
Q

What are the 4 major parts of the sphenoid bone?

A

1) body
2) greater wing
3) lesser wing
4) pterygoid plates

34
Q

The sphenoid body is the _____ portion of the bone. It’s superior surface has a _________ called the _____ _____ which houses the ________ gland.

A

Central; depression; sella turcica; pituitary

35
Q

The greater wing of the sphenoid bone attached to the _______ surfaces of the body, course _____ and _______ to for the _______ wall of the _______ cavity.

A

Lateral; superior ally and laterally; posterior; orbital

36
Q

The lesser wings of the sphenoid bone originate form the _______-_______ aspect of the body, course _______ and _______, are _______ to the greater wings, and contribute to the _______ cavities.

A

Anterior-superior; laterally and anteriorly; superior; orbital

37
Q

The pterygoid plates have one ____ on each side, so one ____ and one ______ pterygoid plate for each side.

A

Pair; medial; lateral

38
Q

What are the two parts of the pterygoid plates?

A

1) pterygoid fossa

2) hamulus

39
Q

What is the pterygoid fossa?

A

The space between the medial and lateral plates

40
Q

What is the hamulus?

A

Located at the end of the medial pterygoid plate

41
Q

What are the 2 functions of the sinuses?

A

1) reduce skull weight

2) contribute to nasal resonance

42
Q

The sinuses are lined with _______ ______ ________ And are continuous with the _____ ______

A

Ciliated mucous membrane; nasal cavity

43
Q

What are the four paranasal sinuses?

A

1) frontal
2) sphenoid
3) maxillary
4) ethmoid

44
Q

Which sinus is paired, in the frontal bone, and deep to the eyebrows?

A

Frontal

45
Q

Which sinus is paired, superior and anterior to the pharynx, and posterior and superior to the nasal turbinates?

A

Sphenoid

46
Q

Which sinus is paired, the largest , and the body of maxillae?

A

Maxillary

47
Q

Which sinus is made of numerous thin-walled cavities?

A

Ethmoid

SPEECH A+P EXAM 3 (8 decks)

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