You are attempting a venipuncture in the cubital fossa of a 57-year-old female
patient. After
you insert the needle, the patient feels pain on the palm and palmar first 3 1/2
digits of their
hand, and also on the fingertips of these digits on the dorsum of the hand. The
nerve
damaged in this case would most likely be: - correct answer ✔the median
nerve
In a fracture of the midshaft of the humerus, which artery is most likely to be
injured? - correct answer ✔profunda brachii
Which of the following groups of nerves innervate muscles that can cause
flexion at the
elbow joint? - correct answer ✔musculocutaneous, radial, median
Which artery helps provide collateral circulation around the elbow joint by
directly
anastomosing with the inferior ulnar collateral artery? - correct answer
✔anterior ulnar recurrent artery
A 2-year-old boy is brought to the emergency room in pain. His mother says
that the child's
distress came on suddenly as she lifted him by his raised arm to assist him
into his stroller.
The likely diagnosis is radial head subluxation (the radial head is out of place).
What structure
, was no longer in normal contact with the head of the radius? - correct answer
✔capitulum
Which statement concerning the the superior ulnar collateral artery is true? -
correct answer ✔it runs with the ulnar nerve
A 39-year-old man fell from a ladder and landed on his elbow and arm.
Radiographic
examination indicates a fracture at the mid-shaft of the humerus. His wrist is
held in a flexed
position (wrist drop). Which nerve was most likely damaged by the fracture? -
correct answer ✔radial
Which vein courses subcutaneously on the lateral side of the arm? - correct
answer ✔cephalic vein
Which of the following is correct regarding the boundaries of the cubital fossa?
- correct answer ✔the brachioradialis muscle forms the lateral border
select the muscle that will compensate in part for paralysis of the supinator
muscle - correct answer ✔biceps brachii
which structure is not part of the humerus - correct answer ✔trochlear notch
Which of the following structures is part of the humerus? - correct answer
✔capitulum
A 34-year-old woman fractured the surgical neck of her humerus when she fell
from a tree.