Question 1

Which of the following abdominal muscles do the other three abdominal muscles insert on?
A) rectus abdominis
B) internal oblique
C) external oblique
D) transverse abdominis

Accepted Answer

The rectus abdominis is the central muscle of the abdomen and the other three muscles - internal oblique, external oblique, and transverse abdominis - all insert on the linea alba, a fibrous band of connective tissue that runs down the center of the abdomen and to which the rectus abdominis also attaches.

Question 2

The muscles of the pectoralis group originate on which bone?
A) humerus
B) sternum
C) clavicle
D) cervical vertebra
E) mandible

Accepted Answer

The muscles of the pectoralis group, including the pectoralis major and pectoralis minor, originate on the sternum.

Question 3

Which muscle is correctly matched to its origin and insertion?
A) sartorius; originates on the ischium and pubic symphysis and inserts on the medial surface of the tibia
B) gluteus medius; originates on the ilium and the transverse processes of the last sacral and first caudal vertebrae and inserts on the femur
C) gracilis; originates on the ischial tuberosity and inserts on the tibia
D) pectineus; originates on the crest of the ilium and inserts into the fascia lata

Accepted Answer

The origin of the gluteus medius muscle is correct as it does originate on the ilium and the transverse processes of the last sacral and first caudal vertebrae. The insertion on the femur is also correct. The other options have incorrect origins and/or insertions.

Question 4

How many points of origin does the triceps brachii have?
A) one
B) two
C) three
D) four

Accepted Answer

The triceps brachii has three points of origin, which correspond to its three heads: the long head, the lateral head, and the medial head.

Question 5

Identify the serratus dorsalis in the following image. 
A) A
B) B
C) C
D) D

Accepted Answer

The answer of Identify the serratus dorsalis in the following...

Question 6

Which of the following muscles functions to extend the foot?
A) extensor digitorum longus
B) flexor digitorum longus
C) fibularis longus
D) fibularis tertius
E) gastrocnemius

Accepted Answer

The gastrocnemius muscle is responsible for plantar flexion, which extends the foot at the ankle joint.

Question 7

Which muscle of the hamstring group functions to extend the thigh?
A) biceps femoris
B) semitendinosus
C) semimembranosus
D) vastus lateralis

Accepted Answer

The answer of Which muscle of the hamstring group functions...

Question 8

Which of the following muscles is correctly matched to its origin and insertion?
A) fibularis longus; originates on the tibial tuberosity and inserts on each of the five digits
B) extensor digitorum longus; originates on the lateral epicondyle of the femur and inserts on each of the five digits
C) gastrocnemius; originates on the proximal ends of the tibia and fibula and inserts on the first metatarsal
D) tibialis anterior; originates on the fibula and inserts on the calcaneus
E) fibularis brevis; originates on the fibula and inserts on the base of the fifth metatarsal

Accepted Answer

The answer of Which of the following muscles is correctly...

Question 9

Identify the muscle labeled "A" in the following figure. 
A) palmaris longus
B) flexor carpi ulnaris
C) biceps brachii
D) epitrochlearis
E) triceps brachii

Accepted Answer

The muscle labeled A is palmaris longus, which runs from the elbow to the wrist and is responsible for flexing the wrist.

Question 10

Which muscle is located on the ventrolateral surface of the humerus and functions to flex the forelimb?
A) biceps brachii
B) brachialis
C) triceps brachii
D) brachioradialis

Accepted Answer

The muscle located on the ventrolateral surface of the humerus that functions to flex the forelimb is the brachialis muscle. The biceps brachii muscle is located on the anterior surface of the humerus and also functions to flex the forelimb but is not located on the ventrolateral surface. The triceps brachii muscle is located on the posterior surface of the humerus and functions to extend the forelimb. The brachioradialis muscle is located on the lateral surface of the forearm and functions to flex the forearm.

Question 11

The biceps brachii functions as ________.
A) an extensor of the carpal joints
B) an extensor of the forelimb
C) a flexor of the digits
D) a flexor of the forelimb

Accepted Answer

The biceps brachii is a flexor of the forelimb, specifically at the elbow joint. It does not extend the carpal joints or forelimb, nor does it flex the digits.

Question 12

Which of the following muscles is NOT a component of the quadriceps femoris?
A) biceps femoris
B) vastus lateralis
C) vastus intermedius
D) vastus medialis
E) tectus femoris

Accepted Answer

The biceps femoris is actually a muscle of the hamstrings, located on the posterior aspect of the thigh. The quadriceps femoris, on the other hand, includes the vastus lateralis, vastus intermedius, vastus medialis, and rectus femoris muscles, all located on the anterior aspect of the thigh.

Question 13

Which muscle functions to adduct and rotate the femur as well as extend the tibia?
A) gluteus medius
B) gracilis
C) sartorius
D) pectineus

Accepted Answer

The answer of Which muscle functions to adduct and rotate...

Question 14

Which of these muscles is the most superficial and lateral muscle of the abdominal muscles?
A) external oblique
B) internal oblique
C) transverse abdominis
D) rectus abdominis

Accepted Answer

The external oblique is the most superficial and lateral abdominal muscle.

Question 15

How many layers of muscles comprise the intercostal group of muscles?
A) one
B) two
C) three
D) four

Accepted Answer

The intercostal group of muscles comprises two layers of muscles: the external intercostal muscles and the internal intercostal muscles.

Question 16

Which muscle of the neck functions to elevate the mandible?
A) mylohyoid
B) masseter
C) digastric
D) sternohyoid
E) sternomastoid

Accepted Answer

The masseter muscle is responsible for elevating the mandible (lower jaw) during chewing or biting. The mylohyoid muscle, digastric muscle, sternohyoid muscle, and sternomastoid muscle all have different functions and do not directly elevate the mandible.

Question 17

Identify the fibularis longus in the following figure. 
A) A
B) B
C) C
D) D
E) E

Accepted Answer

The answer of Identify the fibularis longus in the following...

Question 18

Identify the serratus ventralis in the following image. 
A) A
B) B
C) C
D) D

Accepted Answer

The serratus ventralis muscle is highlighted in green in image B.

Question 19

Which muscle is found in cats but NOT humans?
A) biceps brachii
B) epitrochlearis
C) flexor carpi radialis
D) brachialis

Accepted Answer

The epitrochlearis muscle is a small muscle found in the forearm of cats and other carnivorous mammals, but is absent in humans. The other muscles listed (biceps brachii, flexor carpi radialis, brachialis) are all found in both cats and humans.

Question 20

Which muscle of the quadriceps femoris group lies deep to the rectus femoris?
A) vastus lateralis
B) vastus intermedius
C) vastus medialis
D) semimembranosus

Accepted Answer

The vastus intermedius muscle lies deep to the rectus femoris muscle. The vastus lateralis and vastus medialis muscles are located laterally and medially, respectively, to the rectus femoris muscle. The semimembranosus muscle is part of the hamstring muscle group, located on the posterior aspect of the thigh.

Quiz 2: Cat Dissection Exercises

Which of the following abdominal muscles do the other three abdominal muscles insert on?

The muscles of the pectoralis group originate on which bone?

Which muscle is correctly matched to its origin and insertion?

How many points of origin does the triceps brachii have?

Identify the serratus dorsalis in the following image.

Which of the following muscles functions to extend the foot?

Which muscle of the hamstring group functions to extend the thigh?

Which of the following muscles is correctly matched to its origin and insertion?

Identify the muscle labeled "A" in the following figure.

Which muscle is located on the ventrolateral surface of the humerus and functions to flex the forelimb?

The biceps brachii functions as ________.

Which of the following muscles is NOT a component of the quadriceps femoris?

Which muscle functions to adduct and rotate the femur as well as extend the tibia?

Which of these muscles is the most superficial and lateral muscle of the abdominal muscles?

How many layers of muscles comprise the intercostal group of muscles?

Which muscle of the neck functions to elevate the mandible?

Identify the fibularis longus in the following figure.

Identify the serratus ventralis in the following image.

Which muscle is found in cats but NOT humans?

Which muscle of the quadriceps femoris group lies deep to the rectus femoris?