Cardiovascular Quiz 4

Question 1
A 30 year old patient is brought in by ambulance after being stabbed in the chest by a knife. Upon inspection of the chest, the knife is situated just to the left border of the sternum in the 4th intercostal space, penetrating the chest wall perpendicularly. Which chamber of the heart is most likely pierced by the knife?

A) Left ventricle
B) Right ventricle
C) Left atrium
D) Right atrium

Hover over the icon for the answer:
B) Right Ventricle

Question 2
Which landmark is situated lateral to the sternal angle?

A) First rib
B) First intercostal space
C) Second rib
D) Second intercostal space

Answer:
C) Second rib

Question 3
You are a resident giving a patient local anaesthesia that needs chest tube insertion. What is the deepest layer requiring local anaesthetics to achieve pain control?

A) External intercostal muscle
B) Innermost intercostal muscle
C) Visceral pleura
D) Parietal pleura

Answer:
D) Parietal pleura

Question 4
4 year old child presents to ED with shortness of breath and cough. The mother witnessed the child eating a small piece of Lego. Where is the foreign body most likely lodged in this child’s airway?

A) Trachea
B) Right main bronchus
C) Left main bronchus
D) Right lower lobe bronchus

Answer:
B) Right main bronchus

Question 5
What is the first structure situated posterior to the left atrium?

A) Oesophagus
B) Descending aorta
C) Vertebral column
D) Trachea

Answer:
A) Oesophagus