1. A patient suffered from a short period of paralysis of the diaphragm on one side on a lung operation, which of the following nerves may be blocked?
A. vagus nerve
B. phrenic nerve
C. anterior branches of the sixth thoracic nerve
D. anterior branches of the eighth thoracic nerve
E. sympathetic trunk
2. An old man slipped and fell A glass pierced the skin on the front of his left wrist. The palmaris longus tendon had been severed. The thumb was laterally rotated and adducted, and the man can not oppose his thumb to the other fingers. The skin sensation over the lateral half of the palm and the palmar side of the lateral three and one-half fingers was lost. The following facts concerning this patient are correct except:
A. The palmar cutaneous branch of the median nerve was severed.
B. Sensory loss of the distal part of the dorsal surfaces of the lateral three and one-half fingers was experienced.
C. The median nerve lies radial side to the palmaris longus proximal to the flexor retinaculum and was severed by the piece of glass.
D. The median nerve lies in the interval between the tendons of flexor digitorum superficialis and flexor carpi radialis muscles just proximal to the wrist joint.
E. Adduction of the thumb was produced by the contraction of the adductor pollicis muscle, which is supplied by the ulnar nerve.
3. A 60-year-old woman fell down the stairs with severe left arm pain. On examination, the woman was unable to extend the wrist and fingers, and the wrist was flexed. The skin sensation of the back of the arm and forearm was also lost, which of the following nerves may be injured?
A. axillary nerve
B. musculocutaneous nerve
C. ulnar nerve
D. median nerve
E. radial nerve
4. A young man was involved in a fight. During the brawl he received a deep knife wound to the front of his right thigh. On examination in the Emergency Department, the patient had weak flexion of the knee, skin sensation was lost over the anterior and medial sides of the thigh, which of the following nerves may be injured?
A. obturator nerve
B. femoral nerve
C. sciatic nerve
D. lateral femoral cutaneous nerve
E. genitofemoral nerve
5. This is a 61-year old turn with pain and severe ischaemia to the lower limb due to peripheral vascular disease. Lumbar sympathectomy was advised. The mechanisms by which this works are.
A. visceral sensory fibres travel in the lumbar sympathetic chain
B. vasomotor fibres travel in the lumbar sympathetic chain
C. somatic sensory fibres travel in the lumbar sympathetic chain
D. somatic motor fibres travel in the lumbar sympathetic chain
E. both sensory and vasomotor fibres travel in the lumbar sympathetic chain
6. Trauma to the neck as with a strong jerk from a collar or straining against a leash can also produce Homer's syndrome. The symptoms of Homer's syndrome include, a constricted pupil (miosis), drooping of the upper eyelid (ptosis), absence of sweating of the face (anhidrosis), and sinking of the eyeball into the bony cavity that protects the eye (enophthalmos). Homer' s syndrome may occur with injury or lesions of.