MSK | S6 | TBL .

Q1:which nerves, if injured leads to loss of sensation in the area labelled by the arrow:

• A. Ulnar nerve .
• B. Median nerve.
• C. Radial nerve.
• D. Axillary nerve.

Q2: All the following are signs of ulnar nerve injury in the hand EXCEPT:

• A.Paralysis of hypothenar muscles.
• B. Loss of thumb opposition.
• C. Paralysis of 3rd & 4th lumbricals.
• D. Loss of thumb adduction .

Q3: Loss of adduction and abduction of fingers is a sign of:

• A. Injury of median nerve.
• B. Paralysis of lumbrical muscles.
• C. Paralysis of interossei muscles.
• D. Injury of radial nerve.

Q4: Median nerve injury beneath the flexor retinaculum will leads to loss of sensation in:

• A. Only the over the thenar eminence.
• B. Only the lateral three and half fingers.
• C. Both the lateral three and half fingers and over the thenar eminence.
• D. In the dorsum of the hand.

Q5: Explain why infection at the tip of the little finger may spread to the forearm:

• A. The synovial sheath in the forearm is continuous with the flexor sheath of the little finger.
• B. The hand is rich in blood supply comes from the forearm.
• C. The infection spread up by dorsal venous arch.
• D. The hand has extrinsic muscles extends from the forearm to the hand.

6: The hand deformity in the picture is a sign of:

• A. Acute median nerve injury.
• B. Chronic median nerve injury.
• C. Acute ulnar nerve injury.
• D. Chronic ulnar nerve injury.

Q7: What is the deformity in the left hand:

• A.Normal hand.
• B. Claw hand .
• C. Ape like hand.
• D. Drop hand.

Q8: Which of the following nerves takes the main role in this activity:

• A. Ulnar nerve.
• B. Median nerve.
• C. Axillary nerve.
• D. Posterior interosseous nerve.

Q9: Which of the following bones has high risk of avascular necrosis if fractured:

• A. 1.
• B. 2.
• C. 3.
• D. 4 .

Q10: This is a clinical test for:

• A.Temperature.
• B. Superficial pain .
• C. Deep pain.
• D. Position sense .