1.Easy
Which muscle on the front of the upper arm flexes the elbow?
- ABiceps brachii
- BDeltoid
- CTriceps brachii
- DBrachioradialis
2.Easy
How many vertebrae fuse to form the adult sacrum?
- A4
- B7
- C3
- D5
3.Easy
Which organ produces bile?
- APancreas
- BGallbladder
- CLiver
- DDuodenum
4.Medium
Which nerve is compressed in carpal tunnel syndrome?
- ARadial nerve
- BMedian nerve
- CUlnar nerve
- DMusculocutaneous nerve
5.Medium
Which artery supplies most of the anterior wall of the left ventricle and the front of the interventricular septum?
- ARight coronary artery
- BPosterior descending artery
- CLeft anterior descending artery
- DCircumflex artery
6.Medium
Which part of the brainstem contains the main cardiovascular and respiratory centres?
- APons
- BCerebellum
- CMedulla oblongata
- DMidbrain
7.Hard
Why does a displaced fracture of the femoral neck carry a high risk of avascular necrosis of the femoral head?
- AIt cuts the main trunk of the femoral artery
- BIt blocks the femoral vein and causes congestion
- CIt damages the sciatic nerve that controls blood flow
- DIt tears the retinacular branches of the medial circumflex femoral artery
8.Hard
Where does the thoracic duct usually empty its lymph into the blood?
- AInferior vena cava at the level of the kidneys
- BJunction of the right subclavian and right internal jugular veins
- CRight atrium directly
- DJunction of the left subclavian and left internal jugular veins
Answer key
- 1. A · Biceps brachii
- 2. D · 5
- 3. C · Liver
- 4. B · Median nerve
- 5. C · Left anterior descending artery
- 6. C · Medulla oblongata
- 7. D · It tears the retinacular branches of the medial circumflex femoral artery
- 8. D · Junction of the left subclavian and left internal jugular veins
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