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ACEM part 1 anatomy > thorax > Flashcards

thorax Flashcards

1
Q 
1. Which of the following is NOT a synovial joint?

A. costovertebral joint

B. costotransverse joint

C. costochondral joint

D. interchondral joint 

E. sternocostal joint

A

c

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2
Q
  1. In the intercostal space,
A. neurovascular bundle travels between external &
internal intercostal
layers
B. 1st intercostal nerve does NOT have a cutaneous
branch
C. anterior cutaneous branch of intercostal nerve
crosses anterior to
internal thoracic artery to supply the ventral strip
of skin
D. supreme intercostal artery supplies the 1st 2
intercostal space
posteriorly 
E. there are 2 anterior intercostal arteries for each
intercostal space

A

b

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3
Q
  1. Regarding the diaphragm, the following is FALSE:
A. aortic opening is at the T12 level & transmits
aorta, thoracic duct
& azygos vein
B. oesophageal opening is at T10 level & transmits
oesophagus, vagal
trunks & oesophageal vessels
C. caval opening is at T8 level & transmits IVC &
hemiazygos
D. greater, lesser & least splanchnic nerves pierces 
the R & L crus
E. L phrenic nerve pierces the dome of diaphragm.


A

c

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4
Q
  1. Regarding diaphragm:
A. R & L inferior phrenic artery supply the diaphragm
from its thoracic
surface
B. Lower intercostal nerves assists phrenic nerve in 
motor supply of
the diaphragm
C. Subcostal vessels pass behind the medial arcuate
ligament
D. 55% of diaphragmatic muscles are of slow twitch
variety
E. All of the above are true
A

d

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5
Q
  1. At the level of lower border of T4: 
A. trachea bifuricates into L & R main bronchus
B. azygos vein enters SVC
C. thoracic duct lies to the L of oesophagus
D. L recurrent laryngeal nerve hooks around the
ligamentum arteriosum
E. all of the above
A

e

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6
Q
  1. In the superior mediastinum:
A. oesophagus & trachea lies to the right of midline
B. aorta arches over the R main bronchus
C. aorta gives off L subclavian, L common carotid &
brachiocephalic 
branch at its convexity
D. L lung apex is in contact with the trachea
E. R brachiocephalic vein has longer coursethan the L
brachiocephalic
vein
A

c

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7
Q
  1. Regarding trachea:
A. cricoid cartilage lies at the level of C6 
B. azygos vein arches over the L main bronchus
C. L recurrent laryngeal nerve travels anterior to
trachea throughout
its course in the superior mediastinum
D. Both R & L pulmonary artery are found at the level 
of carina
E. All of the above
A

a

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8
Q
  1. Regarding the phrenic nerve, the following is
FALSE:
A. it contains C3,4,5 fibers
B. medial relations include the left common carotid,
subclavian artery,
aortic arch & left ventricle in the mediastinum. 
C. It supplies the left ½ of diaphragm including R
crus
D. It ravels through the caval opening with IVC
E. It crosses behind the L main bronchus
A

d

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9
Q
  1. Regarding the oesophagus, the following is
INCORRECT: 
A. it narrows at the level where it is crossed by the
aortic arch & L
main bronchus
B. blood supplies are from inferior thryoid artery,
left gastric artery
& aorta
C. it is not drained by the azygos system 
D. lymphatic drains to deep cervical, tracheobronchial
& coeliac lymph
nodes
E. all of the above are false
A

c

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10
Q
  1. Regarding the heart,
A. oblique sinus is found in the area between the
great arteries & 
pulmonary veins
B. inferior border consists of right ventricle & apex
of left
ventricles
C. visceral pericardium is supplied by the phrenic
nerve
D. R & L auricles have smooth inner surface.
E. All of the above are true
A

b

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11
Q
  1. Which of the following is NOT seen on the
posterior surface of the
heart?
A. L atrium
B. R atrium
C. L ventricle
D. R ventricle
E. Coronary sinus
A

d

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12
Q
  1. Regarding the heart, 
A. R coronary artery lies in the R atrio-ventricular
groove
B. R branch of conducting bundle lies within the
septomarginal
trabecula
C. Posterior cusp is the smallest cusp in the
tricuspid valve
D. L ventricular wall is 3x thicker than the R 
ventricular wall
E. All of the above
A

e

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13
Q
  1. Regarding the R coronary artery, the following is
FALSE:
A. RCA supplies the sino-atrial node in 60% cases
B. RCA gives posterior interventricular branch in 90% 
cases (R
dominant)
C. AV node & conducting bundle is supplied by the RCA
entirely in 90%
cases
D. Anastomosis with LCA in atrio-ventricular groove
occurs at
arteriolar level only
E. All of the above 

A

c

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14
Q
  1. Tributaries of L brachio-cephalic veins include:
A. thoracic duct
B. vertebral veins
C. inferior thyroid vein
D. internal thoracic vein
E. all of the above
A

e

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15
Q
  1. Regarding the pleura:
A. visceral pleura is supplied by the phrenic nerve 
B. pleural aspiration should be taken at the 4th
intercostal space in
mid-axillary line
C. lowest extent of the pleura reaches the T10 level
D. pulmonary ligament attaches the lung hila
posteriorly
E. all of the above are true
A

b

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16
Q
  1. Regarding pleural markings:
A. Both sides crosses sternoclavicular joint
B. Both sides meet at 2nd rib level behind the sternum
C. Both sides crosses mid-clavicular line at 8th
intercostal space
D. Both sides crosses mid-axillary line at the 10th
intercostal space
E. All of the above are true
A

e

17
Q
  1. Regarding the lung hilum:
A. Pulmonary artery is more anteriorly placed than the
pulmonary veins
B. L main bronchi gives off left upper lobe bronchi at
the hila
C. 3 pulmonary veins are seen at the L lung hila
D. R hila lies within the azygos arch concavity
E. All of the above
A

d

18
Q
  1. Regarding the lungs: 
A. oblique fissure is not complete in 50% cases
B. oblique fissure crosses the 4th rib at the
mid-clavicular line
C. lingular lobe is divided into anterior & posterior
segments
D. lung hila lies at the plane of Louis 
E. Both lung surface markings crosses mid-clavicular
line at 8th
intercostal space
A

a

19
Q
  1. Regarding the anterior body wall
    a. The umbilicus receives cutaneous innervation from T8
    b. The neurovascular bundle lies between the external and the internal intercostal muscles c. The nipple receives cutaneous innervation from T6
    d. The intercostal nerve lies inferior to the intercostal artery
    e. The suprapubic skin is innervated by T10
A

d

20
Q
  1. The oesophageal opening in the diaphragm transmits all except: a. Vagal nerve trunk
    b. Oesophageal branches of gastric artery
    c. Lymphatics
    d. Right phrenic nerve
    e. Veins – oesophageal branches of gastric veins
A

d

21
Q
  1. The vena caval opening foramen in the diaphragm lies at the level of a. T12
    b. T8
    c. T10
    d. L1 e. C7
A

b

22
Q
  1. Regarding the descending part of the thoracic aorta
    a. It is a component of the middle mediastinum
    b. It begins at the level of T3 vertebra
    c. It passes through the diaphragm behind the lateral arcuate ligament d. It begins at the beginning of the arch of the aorta
    e. It passes to the abdomen at the level of T12
A

e

23
Q
  1. Regarding surface markings of the lungs the following is true
    a. Apex of lungs rises 5cm above the lateral third of clavicle
    b. Oblique fissure follows approximately the axis of 6th rib
    c. The two pleura diverge away at 6th costal cartilage level behind sternum d. Transverse fissure of right lung is at 6th costal cartilage level
    e. Oblique fissure following medial border of scapula on abducted arm
A

e

24
Q
  1. Which heart valve has two cusps? a. Aortic
    b. Mitral
    c. Pulmonary
    d. Pulmonary and aortic e. Tricuspid
A

b

25
Q
  1. In the lung
    a. The horizontal fissue is always present in the right side
    b. The fissures create a roughened surface to promote easier expansion
    c. The obliquity of the fissure ensures better expansion of the apex of the lung d. The lingual is a separate lobe of the left side
    e. Only 2% of lungs have incomplete oblique fissures
A

c

26
Q
  1. The right phrenic nerve
    a. Passes down through the mediastinum posterior to the lung root b. Is the sole motor supply to the right dome of diaphragm and crus c. Gives off the right recurrent laryngeal nerve in the neck
    d. Contains 50% motor and 50% sensory fibres
    e. Divides into two main branches on the under surface of diaphragm
A

b

27
Q
  1. Within the thoracic inlet
    a. The oesophagus lies against the body of C5
    b. The arch of aorta passes from right to left
    c. On the right side, the trachea is separated from the vagus nerve and apex of the lung d. The veins entering the superior mediastinum lie behind the arteries
    e. The trachea touches the jugular notch of the manubrium
A

e

28
Q
  1. Left dominance means
    a. Left side of the heart is more important
    b. Posterior interventricular branch is given off from right coronary artery
    c. Posterior interventricular branch is given off bya a large anterior interventricular artery traveling off left coronary artery
    d. It is more common than right dominance
    e. It is given off directly from left coronary artery
A

c

29
Q
  1. Left dominance means
    a. Left side of the heart is more important
    b. Posterior interventricular branch is given off from right coronary artery
    c. Posterior interventricular branch is given off bya a large anterior interventricular artery traveling off left coronary artery
    d. It is more common than right dominance
    e. It is given off directly from left coronary artery
A

b

30
Q
  1. In the chest wall
    a. The intercostal artery is more superficial than the vein
    b. The intercostal artery lies between the intercostal nerve and vein
    c. The transverses muscle lies between the external and internal intercostals
    d. The neurovascular bundle lies between the external and internal intercostals e. All of the above
A

c

31
Q
  1. The most superficial structure in the thoracic inlet is a. Vagus nerve
    b. Right subclavian artery
    c. Left subclavian artery
    d. Thoracic duct
    e. Superior vena cava
A

e

32
Q
  1. The diaphragm
    a. Has the oesophageal opening opposite T8 vertebra
    b. Is supplied by the 5th, 6th and 7th cervical nerve roots c. Has a major role in expiration
    d. Has a vena caval foramen opposite T10 vertebra
    e. Has an aortic opening opposite T12 vertebra
A

e

33
Q
  1. In the thorax
    a. The carina lies at the level of the upper border of the T4 vertebra in the cadaver b. The thoracic duct drains into the superior vena cava
    c. C4 and T3 are adjacent dermatomes
    d. The trachea lies in contact with the manubrium
    e. The apex of the lung is above the thoracic inlet
A

d

ACEM part 1 anatomy (12 decks)

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