48 Questions
What type of muscle is characterized by having long, thin lines?
Cardiac muscle
Which type of muscle is under autonomic control and is found in the walls of the GI tract and arteries?
Smooth muscle
What is the function of skeletal muscles in the body?
For locomotion and maintaining body posture
Which term refers to the attachment of a muscle that usually moves the most?
Insertion
What is a common location where smooth muscles are found in the body?
In the walls of arteries and veins
What kind of muscle is responsible for voluntary movements such as lifting weights or walking?
Skeletal muscle
What is the action of the accessory nerve (CN XI)?
Extend the shoulder
Which muscle is responsible for extending the carpus and is innervated by the radial nerve?
Extensor carpi radialis
What is the action of the gracilis muscle?
Adduct the limb, extend the hip and tarsus, flex the stifle
Which muscle is an example of an epaxial muscle?
Iliocostalis
What is the innervation of the gastrocnemius muscle?
Tibial nerve
Which of the following is an example of a hypaxial muscle?
Rectus abdominis
Which type of muscle is responsible for the slow, sustained contractions found in the walls of the gastrointestinal tract and blood vessels?
Smooth muscle
What is the term used to describe the attachment of a muscle that usually moves the most during a contraction?
Insertion
Which of the following is an example of an extrinsic muscle of the thoracic limb?
Brachiocephalicus
What type of muscle is described as having long, thin lines and is responsible for voluntary movements?
Striated skeletal muscle
Which type of muscle is found in the wall of the heart and is responsible for the rhythmic contraction of the heart?
Cardiac muscle
What is the term used to describe the attachment of a muscle that is usually more fixed and moves the least during a contraction?
Origin
Which statement about the rectus abdominis muscle is correct?
It runs from the pubis to the sternum and flexes the vertebral column.
What is the action of the iliocostalis muscle?
Fixes the vertebral column and is the most lateral epaxial muscle.
Which muscle is responsible for extending the tarsus and flexing the stifle?
Gastrocnemius
Which statement about the extensor carpi radialis muscle is false?
It is innervated by the tibial nerve.
What is the innervation of the gracilis muscle?
Obturator nerve
Which muscle is responsible for adducting the limb, extending the hip, and flexing the stifle?
Gracilis
Which type of muscle is responsible for slow, sustained contractions in the walls of the gastrointestinal tract and blood vessels?
Smooth Muscle
What is the term used to describe the attachment of a muscle that usually moves the most during a contraction?
Distal Attachment
Which muscle is used for locomotion, movement of body parts relative to each other, and maintaining body posture?
Skeletal Muscle
What is the main characteristic of striated muscles?
Having long, thin lines
Which term refers to the attachment of a muscle that usually moves the least during contraction?
Proximal Attachment
Where are smooth muscles typically found in the body?
In the Walls of Arteries and Veins
What is the action of the extensor carpi radialis muscle?
Extend the carpus
Which muscle is an example of a hypaxial muscle?
Rectus abdominus
What is the innervation of the gracilis muscle?
Obturator nerve
What is the action of the gastrocnemius muscle?
Extend the tarsus and flex the stifle
Which muscle is responsible for extending the shoulder?
Muscle within the limb, lateral view
What is the innervation of the muscle responsible for extending the shoulder?
Accessory nerve (CN XI)
Which type of muscle is responsible for the rhythmic contraction of the heart?
Cardiac muscle
What is the main characteristic of striated muscles?
Having long, thin lines
Which muscle is responsible for extending the shoulder?
Deltoid
What is the term used to describe the attachment of a muscle that usually moves the least during a contraction?
Origin
Which type of muscle is characterized by slow, sustained contractions and is found in the walls of the gastrointestinal tract and blood vessels?
Smooth muscle
Which muscle is an example of an extrinsic muscle of the thoracic limb?
Brachiocephalicus
Which muscle extends the tarsus and flexes the stifle?
Gastrocnemius
What is the main function of the hypaxial muscles?
Flex the vertebral column
Where is the origin of the rectus abdominis muscle?
Pelvic symphysis
Which nerve innervates the adductor, hip extensor, and stifle flexor muscle?
Obturator nerve
What is the action of the epaxial muscle iliocostalis?
Fixes vertebral column
Which muscle is an extensor of the carpus?
None of the above
This quiz covers the different types of muscles, their locations, innervation, muscle attachments, autonomic functions, striation patterns, and characteristics of smooth muscles. Topics include muscle origins, insertions, and functions in various body systems such as the GI tract, arteries, veins, and glands.
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