Week 11 Questions Semester 1 Anatomy Ta Questions

16 Questions | By Chachelly | Last updated: Mar 21, 2022 | Total Attempts: 144

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1.

Cardiothoracic surgeons must be familiar with bronchopulmonary segments since individual segments of the lung can be removed, leaving the rest of the lung intact and functional. Which of the following is a correct characterization of bronchopulmonary segments?
- A.
  
  They are arranged with their bases directed toward the hilum of the lung
- B.
  
  They are separated by parietal pleura
- C.
  
  The arterial supply is located in the periphery of each segment
- D.
  
  Each segment is supplied by a secondary or lobar bronchus
- E.
  
  Veins may be used to localize the planes between segments
2.

A 2 year old boy is brought into the emergency room by his mother because she saw him stick a few marbles in his nose and now the marbles are missing. If the boy did indeed aspirate the marbles, where would you expect them to most likely be?
- A.
  
  Left main bronchus
- B.
  
  Lingular segment of the left lung
- C.
  
  Medial basal segmental bronchus of the left inferior lobe
- D.
  
  Terminal bronchiole of the left inferior lobe
- E.
  
  Right main bronchus
3.

A 3 year old boy was brought into the ED because he had swallowed a lego. If the lego had not gone down the esophagus, but instead obstructed his airway, where would you most likely find the lego?
- A.
  
  Left Bronchus
- B.
  
  Right bronchus
- C.
  
  Right tertiary bronchi
- D.
  
  Left secondary bronchi
4.

Blockage of which of the following arteries would lead to ischemia of the apex of the heart?
- A.
  
  Anterior interventricular (descending)
- B.
  
  Left circumflex
- C.
  
  Posterior interventricular (descending)
- D.
  
  Right marginal
- E.
  
  Right coronary
5.

A 5-year-old boy is presents to the emergency room coughing. You are told by his father that he had been playing with some M&Ms and he thinks the boy may have aspirated one (gotten it into his airway). Where would you most likely expect to find the M&M?
- A.
  
  Apicoposterior segmental bronchus of left lung
- B.
  
  Right main bronchus
- C.
  
  Lingular segment of left lung
- D.
  
  Left main bronchus
- E.
  
  Terminal bronchiole of right lung, lower lobe
6.

A patient involved in an automobile accident presents with a sharp object puncture of the middle of the sternum at about the level of the 4th or 5th costal cartilage. If the object also penetrated pericardium and heart wall, which heart chamber would most likely be damaged?
- A.
  
  Left atrium
- B.
  
  Left ventricle
- C.
  
  Right atrium
- D.
  
  Right ventricle
7.

You are attending an operation to remove a thymic tumor from the superior mediastinum. The surgeon asks, "What important nerve lying on and partly curving posteriorly around the arch of the aorta should we be careful of as we remove this mass?" Seeing that you are an astute anatomist, your correct answer would be what?
- A.
  
  Left phrenic
- B.
  
  Left sympathetic trunk
- C.
  
  Left vagus
- D.
  
  Right phrenic
- E.
  
  Right sympathetic trunk
8.

The minor (horizontal) fissure separates:
- A.
  
  The lower lobe from the lingula
- B.
  
  The upper lobe from the lingula
- C.
  
  The lower lobe from both the middle and upper lobes
- D.
  
  The lower lobe from the middle lobe
- E.
  
  The middle lobe from the upper lobe
9.

A 78-year-old female presented with edema of the left upper limb due to poor venous return. Examination revealed an aneurysm of the ascending aorta that was impinging on a large vein lying immediately anterosuperior to it, most likely the:
- A.
  
  Azygos v.
- B.
  
  Internal thoracic v
- C.
  
  Left brachiocephalic v
- D.
  
  Left superior intercostal v
- E.
  
  Right brachiocephalic v.
10.

Which one of the following structures will be deficient in a child who has a Neural Crest Cell migration problem?
- A.
  
  Ductus Arteriosis
- B.
  
  Smooth part of Right Atria
- C.
  
  Aortic/Pulmonic trunks
- D.
  
  Oblique Sinus
11.

You have a patient with a failure of right-sided looping during development. They are, luckily, asymptomatic; however, they were recently in an accident wherein a piece of steel penetrated their anterior ribcage, parasternal in the left 5^th intercostal space. What vascular structure is most likely compromised?
- A.
  
  Thoracic duct
- B.
  
  SVC
- C.
  
  Descending aorta
- D.
  
  Atria
12.

The right atria receives blood from the lower body by way of the IVC, if a patient has a developmental defect in which the L. Supracardinal Vein does not regress completely (inferior portions persists), what will be the effect on the embryo?
- A.
  
  Double IVC
- B.
  
  Rib notching
- C.
  
  Lack of IVC
- D.
  
  Double Azygous system
- E.
  
  Cyanosis
13.

Melanie presents to the clinic with a pounding headache. She has a strong carotid pulse, yet her femoral and dorsalis pedis pulses are extremely weak. After further investigation, her doctor tells her that she has coarctation of her aorta. Where is the coarctation likely located?
- A.
  
  Coarctation of the aorta before the branching of the brachiocephalic trunk
- B.
  
  Coarctation of the aorta before the branching of the left sublclavian artery
- C.
  
  Coarctation of the aorta slightly past the branching of the left subclavian
- D.
  
  Coarctation of the ascending aorta
14.

Which of the following arteries supplies the right atrium, SA & AV nodes and posterior part of IVS?
- A.
  
  Right marginal
- B.
  
  Posterior Intervenricular
- C.
  
  Left Coronary
- D.
  
  Right Coronary
15.

Main drainage of the heart is through -
- A.
  
  Middle cardiac vein
- B.
  
  Coronary Sinus
- C.
  
  Anterior cardiac veins
- D.
  
  Oblique vein
16.

Which compartment of the heart has the highest risk of injury due to an object piercing the esophagus ( ex: fish bone ) ?
- A.
  
  Right atrium
- B.
  
  Left atrium
- C.
  
  Left ventricle
- D.
  
  Right ventricle