#1
Which artery supplies the majority of the blood to the hand?
Radial artery
ExplanationPrimary blood supply to the hand.
#2
Which of the following veins is commonly used for venipuncture in the antecubital fossa?
Median cubital vein
ExplanationCommonly accessed vein in the antecubital fossa for venipuncture.
#3
Which structure does the axillary artery branch from?
Subclavian artery
ExplanationAxillary artery originates from the subclavian artery.
#4
The brachial artery bifurcates into which two arteries at the cubital fossa?
Radial and ulnar arteries
ExplanationBrachial artery divides into radial and ulnar arteries at the cubital fossa.
#5
Which artery is the main blood supply to the muscles of the forearm?
Ulnar artery
ExplanationUlnar artery provides primary blood supply to forearm muscles.
#6
Which vein accompanies the ulnar artery in the forearm?
Ulnar vein
ExplanationUlnar vein runs alongside the ulnar artery in the forearm.
#7
Which artery forms the anatomical snuffbox when palpated along with the scaphoid bone and the base of the thumb?
Radial artery
ExplanationPalpating radial artery along with scaphoid bone and thumb base creates the anatomical snuffbox.
#8
Which nerve is at risk of injury during humeral fracture or anterior shoulder dislocation?
Axillary nerve
ExplanationAxillary nerve vulnerable to injury in humeral fracture or anterior shoulder dislocation.
#9
The axillary artery becomes the brachial artery at which anatomical landmark?
Inferior border of teres major
ExplanationAxillary artery transforms into brachial artery at the inferior border of teres major.
#10
Which artery is responsible for supplying blood to the deltoid muscle?
Anterior circumflex humeral artery
ExplanationAnterior circumflex humeral artery supplies blood to the deltoid muscle.
#11
The median nerve is formed by the union of which two nerves?
Medial and lateral cords of the brachial plexus
ExplanationMedian nerve formed by the fusion of medial and lateral cords of the brachial plexus.
#12
The ulnar artery arises from which artery?
Brachial artery
ExplanationUlnar artery originates from the brachial artery.