26 Questions
Which of the following word roots refers to muscle?
Myo/o
Which of the following terms refers to the attachment of a muscle to the bone or structure that does not move when the muscle contracts?
Origin
What does the term intrinsic refer to in regard to muscle?
Intrinsic describes a muscle that has an origin and insertion located in the same body region.
Which division of the PNS prepares the body for physical activity or fight or flight?
Sympathetic
Which part of a neuron carries the nerve impulse?
Axon
What part of a neuron usually receives the information?
Dendrite
What part of the axon is called the trigger zone?
Axon hillock
Which mineral is required for muscle cell function?
Calcium
What is the recommended daily allowance of protein for a person of average weight?
46–56 g
Which of the following is not a function of the muscular system?
Electrolyte balance
What muscular disorder is characterized by painful muscle spasms?
Cramp
Which of the following is the term for a muscle that holds an origin stable for another muscle?
Fixator
Which of the following is the term for muscles that have the same action?
Synergists
Which of the following is the term for muscles that have opposite actions?
Antagonists
Which of the following is the term for the main muscle that performs an action?
Prime mover
Which of the following muscles does not originate on the ribs?
Diaphragm
What is the function of the rectus abdominus?
To compress the abdomen
Which of the following muscles inserts on the metacarpals and the carpals?
Extensor carpi ulnaris
What are the functional units of a skeletal muscle fiber?
Sarcomere
Which statement accurately describes a muscle's response to nerve stimulation?
All of these answers are correct.
Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
Sliding filament theory
What is a power stroke?
Myosin pulling on actin to draw Z-lines toward the center, shortening the sarcomere
In which phase of a muscle contraction is calcium actively transported back to the sarcoplasmic reticulum?
Relaxation phase
Which lobe of the cerebrum is responsible for hearing?
Temporal
What is the function of the frontal lobe of the cerebrum?
All of these are correct
What is the function of the occipital lobe of the cerebrum?
Vision
Test your knowledge on the functions of sensory and motor neurons with this quiz. Determine which type of neuron carries afferent or outgoing messages, and which carries efferent or incoming messages to and from the brain.
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