Multiple Choice
The external oblique muscle is named based on which aspect of the muscle?
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1. Introduction to Anatomy & Physiology
Anatomical Terms for the Arm and Hand
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Each wrist has how many carpals?
A
10
B
7
C
5
D
8
Verified step by step guidance1
Step 1: Understand the anatomy of the wrist. The wrist is composed of a group of small bones called carpals, which form the connection between the forearm and the hand.
Step 2: Recall that the carpals are arranged in two rows: a proximal row (closer to the forearm) and a distal row (closer to the hand). Each row contains four bones.
Step 3: Identify the names of the eight carpal bones. The proximal row includes the scaphoid, lunate, triquetrum, and pisiform. The distal row includes the trapezium, trapezoid, capitate, and hamate.
Step 4: Confirm that the total number of carpals in one wrist is eight, as there are four bones in each row (4 + 4 = 8).
Step 5: Recognize that this anatomical structure is consistent across both wrists, meaning each wrist has eight carpals.
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