Questions
9808 WINTER 2025 BRUCE INTENSIVE Practise Quiz: Lab Exam 2
Multiple fill-in-the-blank
a) Name the muscle labelled A [Fill in the blank], and one action of this muscle at the toes [Fill in the blank], b) Name the muscle labelled B [Fill in the blank], and one action of this muscle [Fill in the blank], c) Name the muscle labelled C [Fill in the blank], and one action of this muscle [Fill in the blank], d) Name the muscle labelled D [Fill in the blank], and one action of this muscle at the ankle [Fill in the blank],
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Step-by-Step Analysis
Step 1: Restate the prompt and options that we have to consider.
The task asks to identify four muscles labeled A, B, C, and D in the provided leg diagrams, and to give one action for each muscle at the specified location (toes or ankle as indicated). The prompt presents fill-in blanks for each letter (A–D) with corresponding muscle names and one action.
Step 2: Analyze each labeled item and evaluate the listed answer choices.
A) Muscle labeled A (anterior leg region near the tibia/toes):
- Likely candidate: Extensor digitorum longus, a muscle in the anterior compartment that extends the toes and assists in dorsiflexion of the foot. The action indicated for A is at the toes, which aligns with toe extension.
- Correct match: Extensor digitorum longus. Supporting reasoning: This muscle runs down the front of the leg to the toes and is classically responsible for toe extension (dorsiflexion). If we consider the common anatomy labeling in such diagrams, A being in the anterior compartment strongly points to extensor digitorum longus.
- Why other plausible options don’t fit A:
- Fibula......Login to view full explanationLog in for full answers
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