S1 Practice Questions For Lab Practical Pt. 2

19 Questions | By Chachelly | Updated: Mar 20, 2022 | Attempts: 77

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1.

A 20-year-old male presents to you with a high steppage gait on the right side. You suspect that he uses this compensatory gain because he suffers from foot drop. What scenario is the most plausible regarding his condition?
- A.
  
  He was playing basketball and landed on an inverted foot
- B.
  
  He was playing football and someone fell on his everted foot
- C.
  
  He was slashed with a knife near the lateral knee by a hoodlum on a skateboard
- D.
  
  He was playing beer pong and passed out using his arm as a pillow
- E.
  
  He was playing soccer and made a quick right turn as he ran after the ball
2.

Which tarsal bone articulates with more than one metatarsal bone?
- A.
  
  Medial Cuneiform
- B.
  
  Intermediate cuneiform
- C.
  
  Lateral cuneiform
- D.
  
  Cuboid
- E.
  
  Calcaneus
3.

The superficial fibular nerve is severed near its origin. What motor deficit(s) would you expect in a patient with this injury?
- A.
  
  Weak dorsiflexion, weak eversion
- B.
  
  Weak dorsiflexion, absent eversion
- C.
  
  Weak eversion
- D.
  
  Absent eversion
- E.
  
  No motor deficit because this nerve is purely sensory
4.

A patient presents to the emergency department with shortness of breath (dyspnea) and cold clammy hands. Your team determines that the patient suffers from a cardiac tamponade (due to blood within the pericardial sac, putting pressure on the heart). You are asked to perform a pericardiocentesis to save the patient’s life. You select your needle and insert it in which location in order to minimize risk?
- A.
  
  Left parasternal 2nd intercostal space
- B.
  
  Right parasternal 2nd intercostal space
- C.
  
  Right infrasternal angle
- D.
  
  Left infrasternal angle
- E.
  
  Left 5th intercostal space in the mid-axillary line
5.

While performing pericardiocentesis, you unintentionally pierce a vessel running parasternally within the internal thorax. What vessel has most likely been damaged?
- A.
  
  Thoracic aorta
- B.
  
  5th anterior intercostal artery
- C.
  
  Inferior vena cava
- D.
  
  Internal thoracic artery
- E.
  
  Superior epigastric artery
6.

During open heart surgery, you are instructed by the surgeon to clamp the outflow vessels of the heart. The anatomical space through which you will place the clamp is called:
- A.
  
  The oblique pericardial sinus
- B.
  
  The coronary sulcus
- C.
  
  The transverse pericardial sinus
- D.
  
  The sulcus terminale
- E.
  
  The coronary sinus
7.

A 2-year-old child presents with a ventricular septal defect, but he does not have Tetralogy of Fallot. With this congenital anomaly, which valve is most likely to be insufficient?
- A.
  
  Tricuspid valve
- B.
  
  Mitral valve
- C.
  
  Aortic valve
- D.
  
  Pulmonary valve
- E.
  
  All valves
8.

A 50 year-old male presents to his family physician for a well checkup. His past medical history is significant for Rheumatic Fever as a child. During heart auscultation, you hear a holosystolic murmur loudest in the left 5th intercostal space, midclavicular line. What do you suspect?
- A.
  
  Mitral Regurgitation
- B.
  
  Mitral Stenosis
- C.
  
  Tricuspid Regurgitation
- D.
  
  Aortic Stenosis
9.

The base of the heart is mostly occupied by which chamber?
- A.
  
  Right Atrium
- B.
  
  Left Atrium
- C.
  
  Right Ventricle
- D.
  
  Left Ventricle
10.

One of the recurrent laryngeal nerves is usually shorter than the other. Which one and why?
- A.
  
  Left; starts at ligamentum arteriosum
- B.
  
  Left; starts at left subclavian artery
- C.
  
  Right; starts at ligamentum arteriosum
- D.
  
  Right; starts at right subclavian artery
11.

The right pulmonic border of the heart consists mainly of what chamber?
- A.
  
  Right Atrium
- B.
  
  Left Atrium
- C.
  
  Right Ventricle
- D.
  
  Left Ventricle
12.

The inferior border of the heart is mainly supplied directly by what artery?
- A.
  
  Right Coronary Artery
- B.
  
  Right Marginal Artery
- C.
  
  Posterior Interventricular Artery
- D.
  
  Left Coronary Artery
- E.
  
  Left Anterior Descending Artery
- F.
  
  Left Circumflex Artery
13.

The Middle Cardiac Vein travels with which artery?
- A.
  
  Right Coronary Artery
- B.
  
  Right Marginal Artery
- C.
  
  Posterior Interventricular Artery
- D.
  
  Left Coronary Artery
- E.
  
  Left Anterior Descending Artery
- F.
  
  Left Circumflex Artery
14.

You see a pharmaceutical commercial advertising a revolutionary drug to treat Mitral Valve Prolapse that “tugs on the heartstrings.” Its mechanism of action most likely involves which muscles that act on the chordae tendinae?
- A.
  
  Pectinate muscles
- B.
  
  Trabeculae carnae
- C.
  
  Papillary muscles
- D.
  
  Myocardium
15.

What is the embryological origin(s) of the right atrium?
- A.
  
  Primitive atrium alone
- B.
  
  Primitive atrium and right horn of sinus venosus
- C.
  
  Primitive atrium and left horn of sinus venosus
- D.
  
  Primitive atrium and pulmonary vein outgrowth
- E.
  
  Sinus venosus alone
16.

What structure carries the Right Bundle Branch to the anterior papillary muscles?
- A.
  
  Crista terminalis
- B.
  
  Sulcus terminale
- C.
  
  Supraventricular crest
- D.
  
  Septomarginal trabecula
- E.
  
  Conus arteriosus
17.

How many shunts are typically involved in healthy fetal circulation?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  0
18.

The radiologist reports back to you on a patient who presented to the clinic with shortness of breath (dyspnea) and chest discomfort: right middle lobe (RML) pneumonia. You know from your days in the anatomy lab that the RML has two segments. What are the functionally equivalent lobe and segments on the left?
- A.
  
  Lower - superior and inferior segments
- B.
  
  Lower - medial and lateral segments
- C.
  
  Lingual - superior and inferior segments
- D.
  
  Lingual - medial and lateral segments
- E.
  
  Oblique - superior and inferior segments
- F.
  
  Oblique - medial and lateral segments
19.

A 50-year-old patient presents with a chief complaint of facial swelling which began several weeks ago. She also reports shortness of breath (dyspnea) with exertion. On examination, the patient is tender over the mediastinum. X-rays and fine needle aspiration reveal a mass consistent with a thymoma. What is the likely mechanism responsible for the patient’s symptoms?
- A.
  
  Lung atelectasis
- B.
  
  Compressed aortic arch
- C.
  
  Underproduction of T lymphocytes
- D.
  
  Compressed left brachiocephalic vein
- E.
  
  Recurrent laryngeal nerve damage