Lab Quiz #6

Question 1

Order these, from largest to smallest: Myofibril, Sacromere, Muscle, Muscle Cell/Fiber, Fascicle, Myofilaments

Answer 1

Muscle (wrapped in epimysium), Fascicle (wrapped in perimysium), Muscle Cell/Fiber (wrapped in endomysium), Myofibril, Sacromere, and Myofilaments (Actin and Myosin)

Question 2

Origin

Answer 2

The part of the muscle that is fixed to the skeletal muscle, and does not move.

Question 3

Insertion

Answer 3

Part of the muscle that moves during contraction

Question 4

Tendon

Answer 4

Connects muscle to bone

Question 5

Ligament

Answer 5

Connects bone to bone at joints

Question 6

What is a muscle cell/fiber wrapped in?

Answer 6

Endomysium

Question 7

What is a fascicle wrapped in?

Answer 7

Perimysium

Question 8

What is an entire muscle wrapped in?

Answer 8

Epimysium

Question 9

Myosin

Answer 9

Thick muscle filaments, containing ADP and Phosphate, that grabs and overlaps with Actin

Question 10

Actin

Answer 10

Thin muscle filaments, containing tropomin and tropomyosin, that act as the anchor on which myosin can grab and overlap.

Question 11

Muscles of the head

Answer 11

Temporalis
Orbicularis oris
Orbicularis oculi
Zygomaticus 
Masseter
Epicranius (frontal and occipital bellies)

Question 12

Muscles of the neck/back

Answer 12

Sternocleidomastoid

Trapezius

Question 13

Muscles of the trunk/abdominal cavity

Answer 13

Pectoralis major
Pectoralis minor
Intercostals (interior and exterior)
Diaphragm
Serratus anterior

Question 14

External abdominal muscles

Answer 14

Rectus abdominus
External oblique
Internal oblique
Transversus abdominus