Sensory and Motor Neurons

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168 Questions

Which of the following word roots refers to muscle?

Myo/o

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 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

Which term describes bending a body part anteriorly (except in regard to the knee)?

Flexion

What muscle action describes bringing the thumb into the palm?

Opposition

What is the term for a muscle that holds an origin stable for another muscle?

Fixator

If you pour soup from your hand by holding the bowl in your palm and turning it upside down, what muscle action are you performing?

Supination

Which mineral is required for muscle cell function?

Calcium

What is the dietary recommended daily allowance of protein for a person of average weight?

46–56 g

What is not a function of the muscular system?

Electrolyte balance

What muscular disorder is characterized by painful muscle spasms?

Cramp

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

Which of the following muscles is not found on the thigh or leg?

Brachialis

Which of the following muscles closes the eye?

Orbicularis oculi

Which of the following muscles has an insertion on the mandible?

All of these muscles insert on the mandible.

What is the origin of the frontalis muscle?

Epicranial aponeurosis

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 statement accurately describes a muscle's response to nerve stimulation?

A muscle's response to nerve stimulation is based on the threshold amount of acetylcholine fitting into receptors.

What 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 contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

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 extrinsic refer to in regard to muscle?

Extrinsic describes a muscle that has an origin and insertion located in different body regions.

Which term describes moving a body part toward the midline?

Adduction

What muscle action means to make a circle with part of the body?

Circumduction

What is the term for muscles that have opposite actions?

Antagonists

Which of the following is not found on the back or buttocks?

Deltoid

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

Which part of a neuron usually receives the information?

Dendrite

What part of the axon is called the trigger zone?

Axon hillock

Which of the following minerals are required for muscle cell function?

Calcium and potassium

Which of the following is the recommended daily allowance of protein for a person of average weight?

46–56 g

What is not a function of the muscular system?

Electrolyte balance

What muscular disorder is characterized by a part of the viscera protruding through the abdominal wall?

Hernia

Which of the following muscles does not originate on the humerus?

Diaphragm

What is the function of the rectus abdominis?

To compress the abdomen

Which of the following muscles extends and laterally rotates the hip?

Gluteus maximus

Which muscle dorsiflexes and inverts the foot?

Tibialis anterior

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

Which statement accurately describes a muscle's response to nerve stimulation?

All of these answers are correct.

What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

Sliding filament theory

In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

Which of the following is at the insertion of the muscle?

Effort

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 of the following minerals are required for muscle cell function?

Calcium and potassium

What is the dietary recommended daily allowance of protein for a person of average weight?

46–56 g

What is not a function of the muscular system?

Electrolyte balance

What function of the muscular system is performed when a person's facial expression can tell you how they feel?

Communication

Which term describes the muscle action of bringing the thumb into the palm?

Opposition

Which term describes the muscle action of raising the shoulders or closing the jaw?

Elevation

Which term describes the muscle action of lowering the shoulders or opening the jaw?

Depression

Which of the following is not a muscle of the head or neck?

Pectoralis major

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

Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

Sliding filament theory

In which phase of a muscle contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

What term describes a sustained muscle contraction?

Tetany

Which type of muscle tissue is voluntary and under conscious control?

Skeletal

Which division of the PNS prepares the body for physical activity or fight or flight?

Sympathetic

What part of a neuron carries the nerve impulse?

Axon

Which part of a neuron usually receives the information?

Dendrite

What part of the axon is called the trigger zone?

Axon hillock

Which of the following muscles is not found on the thigh or leg?

Brachialis

Which of the following muscles closes the eye?

Orbicularis oculi

Which of the following muscles has an insertion on the mandible?

All of these muscles insert on the mandible.

What is the origin of the frontalis muscle?

Epicranial aponeurosis

Which term describes moving a body part away from the midline?

Abduction

What muscle action means to spin on an axis?

Rotation

What muscle action describes bringing the thumb into the palm?

Opposition

Which of the following is not a muscle of the head or neck?

Pectoralis major

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 of the following muscles is not found on the thigh or leg?

Brachialis

What is the function of the rectus abdominis?

To compress the abdomen

Which of the following muscles does not originate on the humerus?

Brachioradialis

What is the connective tissue that surrounds an entire muscle?

Epimysium

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 are the two major components of the diencephalon?

Thalamus and hypothalamus

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 is found at the end of each axon?

Terminal arborization

Which of the following minerals are required for muscle cell function?

Calcium and potassium

What is the dietary recommended daily allowance of protein for a person of average weight?

46–56 g

What is not a function of the muscular system?

Electrolyte balance

Which of the following statements about the aging of the muscular system is not true?

Our diet and lifestyle solely determine the rate and extent of muscle loss.

Which statement accurately describes a muscle's response to nerve stimulation?

All of these answers are correct.

What 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 contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

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 muscle action describes bringing the thumb into the palm?

Opposition

Which muscle action describes raising the shoulders or closing the jaw?

Elevation

Which muscle action describes lowering the shoulders or opening the jaw?

Depression

Which of the following is not a muscle of the head or neck?

Pectoralis major

Which of the following minerals are required for muscle cell function?

Calcium and potassium

What is the dietary recommended daily allowance of protein for a person of average weight?

46–56 g

Which of the following muscles does not originate on the humerus?

Diaphragm

What is the function of the rectus abdominus?

To compress the abdomen

What is not a function of the muscular system?

Electrolyte balance

What muscular disorder is characterized by painful muscle spasms?

Cramp

What part of a neuron carries the nerve impulse?

Axon

What is the connective tissue that surrounds several muscles of an area forming muscle compartments?

Fascia

Which division of the PNS prepares the body for physical activity or fight or flight?

Sympathetic

Which of the following muscles inserts on the metacarpals and the carpals?

Extensor carpi radialis

What part of a neuron usually receives the information?

Dendrite

What is found at the end of each axon?

Terminal arborization

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

Which statement accurately describes a muscle's response to nerve stimulation?

All of these answers are correct.

What 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 contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

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?

Fixator

What muscle action describes bending a body part anteriorly (except in regard to the knee)?

Flexion

What muscle action describes moving a body part away from the midline?

Abduction

What muscle action means to spin on an axis?

Rotation

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 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

Which of the following muscles is not found on the thigh or leg?

Brachialis

Which of the following muscles close the eye?

Orbicularis oculi

Which of the following muscles has an insertion on the mandible?

All of these muscles insert on the mandible.

What is the origin of the frontalis muscle?

Epicranial aponeurosis

Which of the following minerals are required for muscle cell function?

Calcium and potassium

What is the dietary recommended daily allowance of protein for a person of average weight?

46–56 g

What is not a function of the muscular system?

Electrolyte balance

Which of the following statements about the aging of the muscular system is not true?

Our diet and lifestyle solely determine the rate and extent of muscle loss.

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 insulates the axon?

Myelin sheath

Which statement accurately describes a muscle's response to nerve stimulation?

All of these answers are correct.

What is a power stroke?

Myosin pulling on actin to draw Z-lines toward the center, shortening the sarcomere

In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?

Relaxation phase

Which of the following describes an event that occurs in the latent phase of a muscle contraction?

Acetylcholine is released and fits into the receptors on the muscle cell.

Which term refers to the brief electrical charge that travels down the axon of a neuron?

B) Action potential

Which term describes sensory neurons that carry nerve impulses from receptors towards the central nervous system?

B) Afferent

Which term refers to the bending of light rays as they pass through different mediums?

A) Refraction

Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?

Synapse

What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?

Descending tracts

What sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?

Nociceptor

Which term refers to the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?

Descending tracts

What is the term for the process where the eye's lens changes shape to focus on near or distant objects?

Refraction

Which sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?

Nociceptor

Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?

Synapse

What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?

Descending tracts

What is the process where the eye's lens changes shape to focus on near or distant objects?

Refraction

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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