[LBYBIO3] MODULE 3.1

What is the site of attachment that remains fixed under most functional conditions?

• Insertion

• Origin

• Head

• Slip

Which type of muscle appears circular in shape and is often a sphincter muscle?

• Convergent Muscle

• Pennate Muscle

• Circular Muscle

• Fusiform Muscle

What type of muscle has fibers arranged to insert in a diagonal direction onto the tendon?

• Bipennate

• Unipennate

• Circular Muscle

• Multipennate

Which muscle action decreases the angle at a joint?

• Extensor

• Abductor

• Adductor

• Flexor

What is the term for muscles that act together to produce motion in the same general direction?

• Extensors

• Flexors

• Antagonists

• Synergists

Which muscle is an example of a flexor?

• Abductor pollicis longus

• Flexor carpi radialis

• Adductor longus

• Extensor carpi ulnaris

What does the term 'pennate' refer to in muscle classification?

• Muscle fibers are circular

• Muscle fibers are spindle-shaped

• Muscle fibers arranged diagonally

• Muscle fibers run parallel

Which of the following muscles is named for its anatomical location?

• Deltoid

• Triceps

• Pectoralis major

• Biceps brachii

What is the action of the Levator scapulae?

• Adducts forelimb

• Elevates scapula

• Depresses scapula

• Extends hindlimb

Which muscle originates from the sternum and inserts into the hyoid bone?

• Masseter

• Sternomastoid

• Sternohyoid

• Pectoralis major