From medial to lateral, what are the contents of the cubital fossa?

Question

From medial to lateral, what are the contents of the cubital fossa?

BlackTom AI · Accepted Answer

Let’s analyze the cubital fossa contents with respect to their order.
Option 1: brachial a., median n., tendon of biceps brachii m. — this presents an order from lateral to medial that does not match the medial-to-lateral arrangement; the nerve should be more medial than the artery in the medial-to-lateral sequence, so this is incorrect.
Option 2: brachial a., tendon of biceps brachii m., median n. — this places the tendon and artery together with the nerve furthest medial, which does not reflect the medial-to-lateral arrangement; thus it’s inaccurate.
Option 3: tendon of biceps brachii m., brachial a., median n. — starting with the tendon (most lateral) and ending with the nerve (most medial) reverses the required medial-to-lateral order; incorrect.
Option 4: median n., the tendon of biceps brachii m., brachial a. — this keeps the nerve most medial but places the tendon between nerve and artery in a way that does not correspond to the standard sequence of contents from medial to lateral; it’s not the correct arrangement.
Option 5: median n., brachial a., tendon of biceps brachii m. — this matches the established medial-to-lateral order: median nerve is the most medial, followed by the brachial artery, and then the tendon of the biceps brachii more laterally. This is the correct arrangement for the cubital fossa contents when moving from medial to lateral.
In summary, the only option that correctly reflects the medial-to-lateral sequencing of the cubital fossa contents is the one listing median nerve first, then the brachial artery, then the tendon of the biceps brachii.

From medial to lateral, what are the contents of the cubital fossa?单项选择题

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