Muscle Function and Attachments Quiz

What is the primary function of axial muscles?

• Control movements of upper and lower limbs

• Support and move the head and vertebral column

• Control movements of pectoral and pelvic girdles

• Aid in digestion

Which type of muscle attachment is usually more moveable for axial muscles?

• Superior attachment

• Inferior attachment

• Proximal attachment

• Distal attachment

What is the role of appendicular muscles?

• Support and protect abdominal organs

• Function in facial expression

• Control movements of upper and lower limbs

• Aid in breathing

Where are the proximal attachments of the biceps brachii located?

• On the radius

• On the scapula

• On the humerus

• On the ulna

Which type of muscle fascicle arrangement is characterized by fibers running parallel to the muscle's long axis?

• Circular muscles

• Parallel muscles

• Convergent muscles

• Pennate muscles

What is the primary role of an agonist muscle?

• To oppose the movement of another muscle

• To assist another muscle in movement

• To contract and produce a movement

• To stabilize the origin of a muscle

Which muscle naming criterion is based on the number of muscle heads at an attachment site?

• Muscle shape

• Muscle size

• Number of muscle heads

• Muscle action

What does the term "rectus" indicate in muscle naming?

• Muscle size

• Muscle shape

• Muscle location

• Orientation of muscle fibers

Which of the following is a common site for intramuscular injections?

• Biceps

• Deltoid

• Triceps

• Hamstrings

What is a characteristic of muscles of facial expression?

• They attach to bones

• They are innervated by the facial nerve (CN VII)

• They are responsible for chewing

• They are part of the skeletal system