Muscles

Question 1

3 types of muscles

Answer 1

Skeletal - movement / posture / protection
Cardiac - heart
Smooth muscle- makes up certain organs (digestion/urination)

Question 2

List organs that are made up of lots of muscle

Answer 2

Heart
Esophagus/stomach/intestines
Ureters/bladder/urethra
Uterus

Question 3

Heart

Answer 3

Cardiac muscle

Allows heart to contract with electrical signaling

Question 4

Esophagus/stomach/intestines

Answer 4

Allows for involuntary movement of food

Question 5

Ureters/urinary bladder/urethra

Answer 5

Mainly smooth muscle (involuntary)

Section of skeletal muscle for involuntary urine movement

Question 6

Uterus

Answer 6

Allows movement of egg, expansion during pregnancy, uterine contractions during whelping/queening

Question 7

Skeletal muscle

Answer 7

Attached to bones by tendons
Striated (unbranched) muscle
Voluntary movement

Question 8

Smooth (visceral)

Answer 8

Arteries/bladder/digestive tract
No striations
Slower to contract
Involuntary

Question 9

Cardiac muscle

Answer 9

Found in heart; joined together to synchronize heartbeat / contractions
Branched striated muscle

Question 10

Main muscles responsible for flexing and extending stifle (knee)

Answer 10

Biceps femoris
Hamstrings
Quadriceps

Question 11

Biceps femoris

Answer 11

Large lateral thigh muscle
Can extend or flex stifle
Extend hip and hock

Question 12

Hamstrings

Answer 12

SQ/ST
Flex knee and extend hip
Involves three muscles
On back of thigh

Question 13

Quadriceps

Answer 13

Extends knee and flexes hip
4 muscles
Front of thigh
Comes down to patella

Question 14

Main muscles for extending and flexing elbows

Answer 14

Biceps and triceps

Question 15

Biceps

Answer 15

Flex elbow

Question 16

Triceps

Answer 16

Extend elbow

Back of upper arm in people

Question 17

Achilles tendon

Answer 17

Back of hind leg

Attaches to hock

Question 18

Muscles responsible for respiration

Answer 18

Intercostals

Diaphragm

Question 19

Intercostals

Answer 19

Located between the ribs
Expands rib cage (inspiration)
Decreases rib cage (expiration)
Technically skeletal even though involuntary movement

Question 20

Diaphragm

Answer 20

Between thoracic and abdominal cavities
Inspiration: contracts and moves down
Expiration: relaxes

Question 21

Muscles that run along back

Answer 21

Lumbar

Epaxial

Question 22

Lumbar

Answer 22

Several muscles that flex and extend spine

Question 23

Epaxial

Answer 23

Extend vertebrae

Question 24

Linea Alba

Answer 24

White line on mid abdomen
Abdominal muscles attach to commonly
Where abdominal incisions are made (less bleeding)
Very strong area for suture material

Question 25

What causes a dog to raise its hackles

Answer 25

Adrenaline causes involuntary muscles to contract 
Hair is then raised upwards 
Mostly along shoulders and spine 
Fear, anxiety, excitement, cold 
Piloerector muscle

Question 26

What allows dog/cat to twitch its skin

Answer 26

Cutaneous Trunci
Thin broad sheet of muscle just under skin
Receives signals from underlying skin
Contracts with various sensations (petting, pinching, cold , fear, stress)

Question 27

4 common muscles for intramuscular contractions

Answer 27

A- SM/ST hamstrings
B- Quadriceps
C- epaxial
D- triceps