Muscular System

Question 1

Formula for muscles & cranial nerve

Answer 1

SO4 LR6 / III

Question 2

Myosin

Answer 2

thin; cross bridges

Question 3

Actin

Answer 3

thick; receptors

Question 4

Anchor point for THIN filaments

Answer 4

Z

Question 5

Anchor point for THICK filaments

Answer 5

M

Question 6

Light band/only actin

Answer 6

I

Question 7

Relaxed/only thick

Answer 7

H

Question 8

Sarcolemma

Answer 8

specialized plasma membrane

Question 9

ER

Answer 9

storage site for calcium

Question 10

skeletal muscle structure (3)

Answer 10

epi —> peri –> endo

Question 11

Origins location

Answer 11

close to humerus

Question 12

Insertions location

Answer 12

Move toward origin (curl)

Question 13

Flexion

Answer 13

looking towards floor (decreasing the angle)

Question 14

Extension

Answer 14

looking towards ceiling (increasing the angle)

Question 15

Ex of lateral flexion

Answer 15

ear –> shoulder OR side bend (decrease)

Question 16

What system are cranial nerves apart of?

Answer 16

peripheral nervous system

Question 17

Superior oblique muscles

Answer 17

goes through pulley; moves down & out (think: opposite direction) (*SUPERIOR = DOWN in this case!)

Question 18

Reflex of tricep causes…

Answer 18

Extension

Question 19

sarcomere

Answer 19

Z –> Z

Question 20

thick

Answer 20

A, M, H

Question 21

thin

Answer 21

I, Z