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BMS460-Unit 2 > Section 1 > Flashcards

Section 1 Flashcards

1
Q

of gill arches in humans?

A

6

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2
Q

What is girl arch # 1 and what does it form?

A

Mandibular arch

Forms Jaws

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3
Q

What is girl arch # 2 and what does it form?

A

Hyoid arch

Forms hyoid bone

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4
Q

Pharyngeal arch cartilage of upper jaw

A

Palatopterygoquadrate

From gill arch #1

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5
Q

Palatopterygoquadrate forms _?

A

Alisphenoid

*includes greater wing of sphenoid and spine of sphenoid

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6
Q

Pharyngeal arch cartilage of lower jaw

A

Meckel’s cartilage

Gill arch #1

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7
Q

Meckel’s cartilage forms__?

A
  1. Malleus
  2. Incus
  3. Enclosed remnants of meckel’s cart (in mandible)
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8
Q

Pharyngeal arch cartilage of hyoid cartilage

A

Reichert’s Cartilage

Gill arch #2

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9
Q

Reicherts cartilage forms__?

A
  1. Lesser cornu of hyoid
  2. stylohyoid ligament
  3. styloid process
  4. stapes
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10
Q

Pharyngeal arch cartilage of 3rd gill arch forms__?

A
  1. Body of hyoid
  2. Greater cornu of hyoid
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11
Q

Pharyngeal arch cartilage of gill arches 4-6 forms_?

A
  1. Thyroid cartilage
  2. Cricoid cartilage
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12
Q

What separates gill arches?

A

clefts and pouches

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13
Q

What is b/w gill arches 1 and 2?

A

Cleft: Ext. acoustic meatus

Pouch: Eustachian tube

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14
Q

What occurs to the pouches and clefts other than those b/w 1 + 2?

A

Clefts shut

Pouches-some form glands in neck:

  1. parathyroid
  2. Thymus
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15
Q

CN I name and travels through_

A

Olfactory N.

olfactory foramina

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16
Q

CN II name and travels through_

A

Optic N

optic canal

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17
Q

CN III travels through_

A

Superior orbital fissure

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18
Q

CN IV travels through_

A

Superior orbital fissure

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19
Q

CN V1 name and travels through_?

A

Opthalmic N

Superior orbital fissure

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20
Q

CN V2 name and travels through_?

A

Maxillary N

Foramen rotundum

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21
Q

CN V3 name and travels through_?

A

Mandibular N

Foramen Ovale

22
Q

CN VI travels through_?

A

Superior orbital fissure

23
Q

CN VII travels through_?

A

Internal acoustic meatus

24
Q

CN VIII travels through_?

A

Internal acoustic meatus

25
Q

CN IX travels through_?

A

Jugular foramen

26
Q

CN X travels through_?

A

Jugular Foramen

27
Q

CN XI travels through_?

A

Jugular foramen

28
Q

CN XII travels through_?

A

Hypoglossal canal

29
Q

What is the only bone in the skull pre-formed in cartilage?

A

Ethmoid

30
Q

Special sensory nerves?

A

I, II, VIII

31
Q

Primitive ventral roots?

A

III, IV, VI, XII

32
Q

Primitive dorsal roots/

A

V, VII, IX, X, XI

33
Q

CN I name, motor/ sensory, etc.

A

Olfactory N.

Special sensory

Special Somatic sensory innervation

Smell

34
Q

CN II name, motor/ sensory, etc.

A

Optic N

Special sensory

Special Somatic sensory

Vision

35
Q

CN III name, motor/ sensory, etc.

A

Oculomotor

Primitive ventral roots

  1. Voluntary motor to somites: most eye mm
  2. Parasympathetic motor: sphincter pupillae, ciliary mm
36
Q

CN IV name, motor/ sensory, etc.

A

Trochlear N

Primitive ventral roots

Voluntary motor to somites: sup. oblique m

37
Q

CN V name, motor/ sensory, etc.

A

Trigeminal N

Primitive dorsal root

  1. Voluntary motor to somitomeres: to arch I mm
  2. Somatic sensory: face, oral cavity, ant. 2/3 of tongue
38
Q

CN VI name, motor/ sensory, etc.

A

Abducens N

Primitve ventral roots

Voluntary motor to somites: lateral rectus m

39
Q

CN VII name, motor/ sensory, etc.

A

Facial N

Primitive dorsal roots

  1. Voluntary motor to somitomeres: arch II mm
  2. Parasympathetic motor: lacrimal, submandibular, sublingual glands
  3. Somatic sensory: skin by ear
  4. Visceral sensory: taste ant 2/3 of tongue
40
Q

CN VIII name, motor/ sensory, etc.

A

Vestibulocochlear N

Special sensory

Sensory somatic: Hearing and balance

41
Q

CN IX name, motor/ sensory, etc.

A

Glossopharyngeal N

Primitive dorsal roots

Voluntary motor to somitomeres: arch III mm

Parasymp motor: parotid gland

Somatic sensory: skin by ear

General Visceral sensory: Post 1/3 tongue

Special visceral sensory: taste post 1/3 tongue

42
Q

CN X name, motor/ sensory, etc.

A

Vagus N

Primitive dorsal roots

Voluntary motor to somitomeres: arches IV-VI mm in pharynx, larynx; upper esophagus

Parasympathetic motor: gut from mid-esophagus to left colic flexure, heart, lungs

Somatic sensory: skin by ear

General visceral sensory: gut from pharynx to left colic flexure

Special visceral sensory: taste buds in pharynx

43
Q

CN XI name, motor/ sensory, etc.

A

Accessory N

Primitive dorsal roots

Voluntary motor to somitomeres: arches IV-VI mm, sternocleidomastoid, trapezius

44
Q

CN XII name, motor/ sensory, etc.

A

Hypoglossal N

Primitive ventral roots

Voluntary motor to somites: tongue mm

45
Q

Layers of scalp

A

S-skin

C-CT hypodermis

A-aponeurosis (epicranial) aka galea aponeurotica

L-loose CT

P-pericranium or periosteum of skull

46
Q

Layout of sensory/motor columns in spinal cord

A

Somatic sensory

Visceral sensory

Visceral motor

Somatic motor

47
Q

Visceral motor symp neurons run from_?

A

T1-L2

48
Q

Visceral motor parasymp neurons run from_?

A

S2-S4

49
Q

What is an epidural hematoma?

A

When blood collects between skull and true/meningeal dura

50
Q

What is a subdermal hematoma?

A

When blood collects between true/meningeal dura and arachnoid mater.

51
Q

Where can you find CSF?

A

Subarachnoid space

BMS460-Unit 2 (5 decks)

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