Muscular System

How many types of muscles are there?

• 2

• 4

• 3

• 1

What are the characteristics of the cardiac muscle (check ALL that apply)?

• Involunatary

• Found in the heart

• Banded Appearance

• Dense connective tissue packaging

Smooth Muscle is found in the?

• Heart

• Facial

• Organs

• Legs

The connective tissue sheath that surrounds a muscle fascicle is the...

• epimysium

• endomysium

• perimysium

Given the following events:

1.acetycholine broken down

2.acetylcholine moves across the synaptic cleft

3.action potential reaches the terminal branch (presynaptic terminal)

4.acetylcholine combines with a receptor molecule on a skeletal muscle (postsynaptic membrane)

5.action potential produced in skeletal muscle cell

Choose the arrangement that lists the events in the order the occur at a neuromuscular injunction

• 2,3,4,1,5

• 3,2,4,5,1

• 3,4,2,1,3

• 4,5,2,1,3

Muscles that oppose one another are

• synergist

• hateful

• prime movers

• antagonists

Muscles are composed of which of the following?

• Lipids
• Protiens
• Carbohydrates
• Fats

Tags

NGSS.MS-LS3-1

Which of the following is defined as the ability of an object to quickly return to the original shape and size?

• Elasticity
• Excitibility
• Flexibility
• Extensibility

A protein of muscle that together with tropomyosin forms a regulatory protein complex controlling the interaction of actin and myosin and that when combined with calcium ions permits muscular contraction.

• myosin

• tropomyosin

• troponin

• actin

Which of the following is NOT a type of muscle?

• Rough
• Smooth
• Cardiac
• Skeletal