Quiz 3 Review

Question 1

What do you call the imaginary line (plane) that divides the body into “equal” left and right sides?

Answer 1

Median plane or Midsagittal plane

Question 2

What is a sagittal plane?

Answer 2

Any plane created by an imaginary plane that is parallel to median/midsagittal plane.

Question 3

What do you call the imaginary line (plane) that divides the body at any level into anterior and posterior part? (divides body into front and back parts)

Answer 3

Frontal plane or Coronal plane

Question 4

What is a horizontal plane?

Answer 4

• An imaginary line that divides the body into superior and inferior parts.
• They do NOT have to be equal parts
• (This is always perpendicular to the median/ midsagittal plane)*

Question 5

What do you call a flat bony structure?

Answer 5

Plate

(Know where the Cribriform plate and Orbital plate are located- slide 4 of review packet)

Question 6

What do you call a straight, small ridge?

Answer 6

Line

(Know where the superior temporal line and inferior temporal line are located-slide 5 of review packet)

Question 7

What is a Tuberosity?

Answer 7

A large, often rough prominence

(Know location maxillary tuberosity-slide 6 of review packet)

Question 8

What does the occipital bone articulate with?

Answer 8

The occipital bone articulates with the parietal, temporal, and sphenoid of the skull.

Question 9

What big hole do you see on the external surface of the occipital bone from the inferior view?

Answer 9

Foramen Magnum

Question 10

Where is the superior orbital fissure located?

Answer 10

Lateral to the optic canal between the greater and lesser wings of the sphenoid bone.
(it is curved and slitlike)

Question 11

True/ False:

The inferior orbital fissure cannot be seen between the greater wing of the sphenoid bone and the maxilla.

Answer 11

FALSE
(It can be seen)
(Know the locations of the greater wing of sphenoid bone, inferior orbital fissure, and maxilla-slide 11 on review packet)

Question 12

Be able to locate

• Nasal bone
• Lacrimal bone
• Zygomatic bone
• Inferior nasal concha
• Vomer
• Maxilla
• Mandible

Answer 12

SEE SLIDE 12 ON REVIEW PACKET

Question 13

Be able to locate the

• Pterygopalatine fossa
• Lateral pterygoid plate of the sphenoid bone
• Maxillalry tuberosity

Answer 13

SEE SLIDE 14 ON REVIEW PACKET

Question 14

Be able to locate these sutures of the hard palate:

• Median palatine suture
• Transverse palatine suture

Answer 14

SEE SLIDE 14 ON REVIEW PACKET

Question 15

True/ False:

Each temporal bone is scomposed of four parts: the squamous, tympanic, petrous, and zygomatic process.

Answer 15

FALSE!

Each temporal bone is composed of the squamous, tympanic, petrous, and Mastoid process (Not the zygomatic process)

Question 16

What is a Cornu?

Answer 16

A hornlike prominenece

Ex: Greater cornu and Lesser cornu of hyoid bon

Question 17

Where is the Orbicularis OCULI muscle located?

Answer 17

It is the muscle surrounding the eye.

Question 18

Wher is the Obicularis ORIS muscle located?

Answer 18

It is the muscle surrounding the lips

Question 19

What is the function (action) of the Depressor labii muscle?

Answer 19

It DEPRESSES the lower lip.

This helps to voluntarily expose the mandibular incisor teeth

Question 20

What is the function (action) of the Depressor Anguli muscle?

Answer 20

It DEPRESSES the ANGLE of the mouth.

Question 21

What is the function (action) of the platysma muscle?

Answer 21

To raise the skin of the neck and forms noticeable vertical and horizontal ridges and depressions.
(The muscle Men use to shave)

Question 22

True/ False:

The platysma muscle can also pull the labial commissures down. (what a person does when they grimace)

Answer 22

TRUE

Question 23

What is the function of the Buccinator muscle?

Answer 23

To pull each labial commissure laterally which shortens the cheek both vertically and horizontally.

Question 24

True/ False:

The Buccinator muscle action keeps food pushed back on the occlusal surface of the posterior teeth.

Answer 24

TRUE

Question 25

True/ False:

By keeping the food in the correct position when chewing, the Buccinator strains the muscle of mastication.

Answer 25

FALSE

It assists the muscle of mastication.

Question 26

Locate the …..

• Sternocleidomastoid Muscle
• Clavicle
• Interior Belly of Omohyois Muscle

Answer 26

SEE SLIDE 21 IN REVIEW PACKET

Question 27

Locate the …….

• Hyoid Bone
• Superioir Belly of Omohyoid Muscle
• Sternohyoid Muscle
• Sternothyroid Muscle
• Sternum

Answer 27

SEE SLIDE 21 IN REVIEW PACKET