WorksheetsMuscular System Quiz
Total questions: 21
Worksheet time: 11mins
What is one of the functions of the muscular system?
Producing heat
Digesting food
Regulating body temperature
Filtering blood
Which type of muscle is voluntarily controlled?
Skeletal muscle
Cardiac muscle
Smooth muscle
All of the above
What is the characteristic of muscle tissue that allows it to respond to a stimulus?
Contractility
Elasticity
Excitability
Extensibility
Which type of muscle is found in the walls of internal organs?
None of the above
Smooth muscle
Cardiac muscle
Skeletal muscle
What is the role of ATP in muscle contractions?
Regulates body temperature
Transmits nerve impulses to muscle fibers
Allows muscles to slide and prevent bursting
Provides energy for muscle contractions
What happens when muscles don't get enough ATP?
They generate heat
They become fatigued
They become stronger
They contract slowly
How are muscles attached to bones?
By cartilage
By joints
By tendons
By ligaments
What is the attachment of a muscle to a relatively fixed structure called?
Tendon
Insertion
Origin
Belly
Which muscle is responsible for contracting during an action?
All of the above
Prime Mover
Synergist
Antagonist
How many skeletal muscles are there in the body?
Over 300
Over 500
Over 100
Over 650
Which of the following is NOT a major task of the muscular system?
movement for the body
heat production for the body
maintaining posture
making red blood cells
Which of the following words means "the ability to recoil or bounce back to the original shape"?
elasticity
extensibility
excitability
contractibility
Which type of muscle is involuntary and makes up many of your internal organs?
skeletal
smooth
cardiac
gastrointestinal
Which membrane covers an individual muscle fiber?
perimysium
ectomysium
endomysium
epimysium
What attaches muscle to bone?
tendon
ligament
sliding filaments
sarcomeres
The _________ separate one sarcomere from another?
synapses
m-lines
z-lines (z-discs)
active sites
Which type or types of muscle fibers is/are non-striated?
skeletal
cardiac
smooth
fasicular
When myosin heads make a cross bridge and bend pulling the actin myofilament toward the center of the sarcomere, it is called the _____________.
power stroke
neuromuscular junction
return stroke
ATP contraction
How much ATP is used in each myosin/actin cross-bridge cycle?
4
2
3
1
What causes shortness of breath and muscle burning during a workout?
lack of Ca+
lack of 02
lack of H20
lack of acetylcholine
Which muscle group is primarily responsible for the flexion of the forearm?
The deltoids
The biceps brachii
The triceps brachii
The quadriceps
