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Dannys Phase 1 Medicine > Thorax Anatomy > Flashcards

Thorax Anatomy Flashcards

1
Q

what is the innervation of the naso, oro and laryngopharynx

A 
naso= maxillary V2
oro= glossopharyngeal
laryngo= vagus
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2
Q

what nerve supplies motor innervation to stylopharyngeus

A

glossopharyngeal

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3
Q

what nerve supplies motor innervation to cricothyroid

A

external branch of superior laryngeal

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4
Q

origin and insertion of pec major

A 
origin= medial clavicle and sternocostal head
insertion= lateral lip of bicipital groove
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5
Q

origin and insertion of pec minor

A 
origin= ribs 3-5
insertion= coracoid process
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6
Q

origin and insertion of serratus anterior

A 
origin= upper 8 ribs
insertion= vertebral border of scapula
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7
Q

innervation of pec major, minor and serratus anterior

A 
major= medial and lateral pectorals
minor= medial pectoral
serratus= long thoracic nerve
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8
Q

what travels through diaphragm at T8, T10 and T12

A 
T8= right phrenic and vena cava
T10= vagus and oesophagus
T12= aorta and thoracic duct
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9
Q

role of clara cells

A

detoxification of pollution and role in controlling inflammatory response

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10
Q

final branch of the bronchioles

A

respiratory bronchioles, terminal bronchioles come before respiratory

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11
Q

are azygos veins left or right side of the body

A

azygos are right and hemiazygos are left

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12
Q

what are the routes of the two recurrent laryngeals

A 
right= loops under right subclavian and between trachea/ oesophagus
left= loops under aorta and ascends between trachea/oesophagus
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13
Q

what is the drainage of the frontal and maxillary sinuses

A

hiatus semilunaris of middle meatus

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14
Q

what is the drainage of the sphenoid sinus

A

sphenoethmoidal recess lateral to attachment of nasal septum

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15
Q

what is the action of the pec major minor and serratus anterior

A 
major= adduction and medially rotates humerus
minor= draws scapula and forearm forwards
serratus= protraction of the scapula
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16
Q

where is the pulmonary artery in relation to the bronchus in the right and left lungs

A

RALS
right= anterior to bronchus
left= superior to the bronchus

17
Q

what level is the horizontal fissure of the lung

A

5th rib`

18
Q

what may you find at T4-T5 at transverse plane

A 
sternal angle
bifurcation of trachea
costal cartilage and rib 2
arch of aorta starting and ending
T4/T5 also divides the mediastinum into superior and inferior
19
Q

where are the heart sound locations

A

aortic valve= right of sternum- 2nd intercostal space
tricuspid valve= left of sternum 5th intercostal space
pulmonary valve= left of sternum 2nd intercostal space
mitral valve= left mid-clavicular 5th intercostal space

20
Q

insertion of the sternocleidomastoid

A

mastoid process of temporal bone

21
Q

what the 4 infrahyoids

A 
TOSS
thyrohyoid
omohyoid
sternohyioid
sternothyroid
22
Q

what two valves are the AV valves

A

tricuspid and mitral

23
Q

what two valves are the semi lunar valves

A

pulmonary and aortic

24
Q

how are papillary muscles attached to the valves

A

chorda tendinae

25
Q

what is the only artery in the body to carry deoxygenated blood

A

pulmonary artery

26
Q

how many pulmonary veins do we have

A

4

27
Q

the right atrium is made up of smooth and trabeculated portions, where do they come from

A

smooth arises from sinus venosus and trabeculated is from the original atrium

28
Q

what seperates the smooth and trabeculated portions of the right atrium

A

crista terminalis

29
Q

what lies under the crista terminalis

A

sino-atrial node

30
Q

what is the fossa ovalis a remnant of

A

foramen ovale

31
Q

detour; what cranial nerve passes through the foramen ovale

A

mandibular V3

32
Q

what joins together cardiac muscle cells

A

intercalated discs

33
Q

what does the left coronary divide into

A

circumflex and LAD

34
Q

what are the branches of the LAD called

A

diagonal

35
Q

what are the branches of the circumflex called

A

obtuse marginal

36
Q

when we talk about being right dominant, what artery are we referring to

A

PDA or posterior interventricular artery
70% are just right
20% are both right and circumflex
10% are just circumflex

37
Q

what are the 3 longitudinal muscles of the pharynx called

A

salpingopharyngeus
palatopharyngeus
stylopharyngeus

38
Q

what is the innervation of the longitudinal muscles of the pharynx

A 
glossopharyngeal= stylo
vagus= salpingo and palato

Dannys Phase 1 Medicine (7 decks)

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