Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Nicks phase 1 flashcards > respiratory anatomy > Flashcards

respiratory anatomy Flashcards

1
Q

how many pairs of external intercostal muscles are there?

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what direction do the fibres of the external intercostals run in?

A

inferoanteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the external intercostals continuous with?

A

external obliques of the abdomen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the function of the external intercostals?

A

elevate the ribs to increase thoracic volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what direction do the fibres of the internal intercostals run in?

A

inferoposteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the function of the internal intercostals?

A

reduce thoracic volume by depressing the ribcage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what separates the innermost intercostals from the internal intercostals?

A

intercostal neuromuscular bundles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the function of the innermost intercostals?

A

depress the ribcage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what does the transversus thoracis attach to?

A

costal cartilages of ribs 2-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what nerves innervate the external, internal and innermost intercostals along w/ transversus thoracis and subcostals?

A

intercostal nerves TI- TXI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the borders of the anterior triangle of the neck?

A
  • superiorly- hyoid bone
  • laterally- anterior border of sternocleidomastoid
  • medially- saggiato line down midline of neck
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the 4 suprahyoid muscles?

A
  • stylohyoid
  • digastric
  • mylohyoid
  • geniohyoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the function and innervation of the stylohyoid muscle?

A
  • function- initiates swallowing- by pulling on hyoid bone

- innervation- stylohyoid branch of facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which suprahyoid muscle has 2 muscular bellies?

A

digastric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the function and innervation of the digastric muscle?

A
  • depresses mandible and elevates hyoid bone

- innervated by branch of mandibular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what does the mylohyoid bone form?

A

floor of the oral cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is the function and innervation of mylohyoid?

A
  • elevate hyoid bone and floor of mouth

- innervated by branch of mandibular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what bone does geniohyoid originate from?

A

mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is the function and innervation of geniohyoid?

A
  • depresses mandible, elevates hyoid bone

- innervated by C1 nerve roots in hypoglossal nerve

20
Q

what are the 4 infrahyoid muscles?

A
  • omohyoid
  • sternohyoid
  • thyrohyoid
  • sternothyroid
21
Q

what are the 2 infrahyoid muscles in the superficial plane?

A
  • omohyoid

- sternohyoid

22
Q

what are the functions and innervations of the superficial infrahyoid muscles?

A
  • depress hyoid bone

- innervate by anterior rami of C1-C3

23
Q

what are the 2 infrahyoid muscles in the deep plane?

A
  • sternothyroid

- thyrohyoid

24
Q

what is the function and innervation of sternothyroid?

A
  • depresses thyroid cartilage

- innervated by anterior rami of C1-C3

25
Q

what is the function and innervation of thyrohyoid?

A
  • depresses hyoid bone

- innervated by anterior ramus of C1

26
Q

what cranial nerves are found within the anterior triangle of the neck?

A

CN VII, IX, X, XI, XII

27
Q

where does the common carotid artery bifurcate?

A

within the anterior triangle of the neck

28
Q

what are the 2 types of muscle found within the pharynx?

A
  • circular- sup, mid, and inf. pharyngeal constrictor muscles
  • longitudinal- stylopharyngeus, palatopharyngeus, salpingopharyngeus
29
Q

what are the borders of the 3 sections of the pharynx?

A
  • nasopharynx- base of skull to soft palate
  • oropharynx- soft palate to epiglottis
  • laryngopharynx- epiglottis to cricoid cartilage
30
Q

which regions of the pharynx are the pharyngeal constrictors contained within?

A
  • superior constrictor- oropharynx

- middle and inferior constrictor- laryngopharynx

31
Q

which vertebral levels does the larynx run between?

A

C3-C6

32
Q

what 2 branches of the vagus nerve innervate the larynx?

A
  • recurrent laryngeal nerve

- superior laryngeal nerve

33
Q

what are the 3 unpaired cartilages of the larynx?

A
  • thyroid (hyaline cartilage)
  • cricoid (hyaline cartilage)
  • epiglottis (elastic cartilage)
34
Q

what are the 3 paired cartilages of the larynx?

A
  • arytenoid (sit on cricoid)
  • corniculate (articulate w/ arytenoid)
  • cuneiform (located in Ary-epiglottic folds, no direct attachment)
35
Q

what are the main extrinsic laryngeal ligaments?

A
  • median and lateral thryohyoid
  • hyoid-epiglottic
  • cricotracheal
  • medial cricothyroid
36
Q

what are the 2 intrinsic laryngeal ligaments?

A
  • cricothyroid

- quadrangular

37
Q

what is the space between the vocal folds known as?

A

Rima glottidis

38
Q

where are the vestibular folds found and what is their function?

A
  • superiorly to true vocal cords

- fixes- provide protection to larynx

39
Q

what vertebral levels does the thyroid gland run between?

A

C5-T1

40
Q

what are the functions of the nasal cavity?

A
  • warm and humidify inspired air
  • removes and traps pathogens from inspired air
  • sense of smell
  • drains and clears paranasal sinuses and lacrimal ducts
41
Q

what are the 4 pathways air can flow in the nasal cavity and what forms them?

A
  • inferior, superior and middle meatus along w/ sphene-ethmoidal recess
  • formed by superior, medial and inferior conchae
42
Q

what do the paranasal sinuses drain into?

A

nasal cavity

43
Q

wha do the frontal, maxillary and ethmoidal sinuses open into?

A
  • middle meatus

- opening marked by semilunar hiatus

44
Q

what do the middle ethmoidal sinuses empty into?

A

ethmoidal bulla

45
Q

at what level do the posterior ethmoidal sinuses open?

A

at the level of the superior meatus

46
Q

what is the only sinus not to empty on to the lateral walls of the nasal cavity and where does this sinus drain?

A
  • sphenoid sinus

- drains onto posterior roof

47
Q

where does the auditory tube open into the nasopharynx at?

A
  • at the level of the inferior meatus

- allows middle ear to equalise w/ atmospheric pressure

Nicks phase 1 flashcards (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions