객관식
Sphincters have a __________ arrangement of fascicles.
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10. Muscles
Fascicle Arrangements
객관식
The pattern of fascicle arrangement of the muscle at 'e' is __________.
A
Convergent
B
Parallel
C
Circular
D
Pennate
검증된 단계별 안내1
Step 1: Understand the concept of fascicle arrangement in muscles. Fascicles are bundles of muscle fibers, and their arrangement determines the muscle's shape and function. Common patterns include convergent, parallel, circular, and pennate.
Step 2: Define each type of fascicle arrangement: Convergent muscles have fibers that converge to a single point, often triangular in shape. Parallel muscles have fibers running parallel to the long axis of the muscle. Circular muscles have fibers arranged in concentric rings, typically found in sphincters. Pennate muscles have fibers arranged at an angle to a central tendon, resembling a feather.
Step 3: Analyze the muscle labeled 'e' in the problem. Consider its shape and structure to determine which fascicle arrangement it matches. For example, if the muscle fibers converge to a single point, it is likely convergent.
Step 4: Compare the muscle's structure to the definitions provided for each fascicle arrangement. Look for visual or descriptive clues that match the characteristics of convergent, parallel, circular, or pennate muscles.
Step 5: Based on the analysis, select the correct answer from the options provided. Ensure the choice aligns with the observed fascicle arrangement of the muscle labeled 'e'.
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