Muscle Exam

Question 0

Scissors determine what type of lever

Answer 0

First or second?

Question 1

Causes of striations is skeletal muscles

Answer 1

Alternating dark and light banding pattern

Question 2

Discuss tetnus

Answer 2

Long contraction of rapid stimuli, if it continues for too long it becomes fatigued in a completely contracted state

Question 3

What are first class levers

Answer 3

a child’s seesaw

Question 4

Define divergent muscles

Answer 4

Going out

Question 5

Define Convergent muscles

Answer 5

Pulling out

Question 6

Define parallel muscles

Answer 6

One origin and insertion, run longitudinally (ex: small muscles in your back)

Question 7

Define antagonist

Answer 7

Works in opposition

Question 8

Synargistic

Answer 8

Work together

Question 9

Define protagonist

Answer 9

Works with the muscle

Question 10

What is the antagonistic muscle of the triceps Brachii

Answer 10

Biceps Brachii

Question 11

Role of intermediate filaments

Answer 11

Goes back to cell parts and cytoplasm, have to know function

Question 12

What influences a lever

Answer 12

Weight, fulcrum, effort, positioning

Question 13

Make up of muscles

Answer 13

Actin and myosin

Question 14

4 major characteristics of muscles

Answer 14

Excitability, extensibility, contractility, elasticity

Question 15

Role of lactic acid

Answer 15

Energy source in kidneys, liver, and heart

Question 16

Role of myofibril network

Answer 16

Allow for sliding, make up the bulk of the muscle, actin and myosin

Question 17

Period where a muscle does not respond

Answer 17

Refractory period

Question 18

What makes up a band I band z disc….

Answer 18

.