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Anatomy Quiz on Musculoskeletal System

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Questions and Answers

What is the primary function of the medial and lateral meniscus in the knee?

To provide lubrication

To enhance muscle strength

To facilitate bone growth

To absorb shock (correct)

The rotator cuff is composed of four muscles that all perform medial rotation of the arm.

False

What movement is described by bringing the foot back down to the floor from a flexed position?

Extension

Dorsiflexion refers to bringing the toes __________ to the ankle.

up Signup and view all the answers

Match the joint movements with their definitions:

Abduction = Bringing a limb away from the midline Circumduction = Making a circular movement Protraction = Shoulders slumped forward Elevation = Bringing shoulders up Signup and view all the answers

Which layer of the meninges is the innermost layer that is very thin and contains many blood vessels?

Pia mater Signup and view all the answers

The arachnoid mater is the toughest layer of the meninges.

False Signup and view all the answers

What is the function of the subarachnoid space?

To cushion the brain by containing cerebrospinal fluid. Signup and view all the answers

A network of intersecting nerves formed by the merging of ventral rami is called a ______.

nerve plexus Signup and view all the answers

Match the following plexuses with their primary body regions innervated:

Cervical plexus = Neck and diaphragm Brachial plexus = Upper limbs Lumbosacral plexus = Lower limbs Coccygeal plexus = Pelvic region Signup and view all the answers