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Questions and Answers
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
- Sthen/o
- Sacr/o
- Myco/o
- Myo/o (correct)
What does the term intrinsic refer to in regard to muscle?
What does the term intrinsic refer to in regard to muscle?
- Intrinsic describes the attachment of a muscle to the bone or structure that does not move when the muscle contracts.
- Intrinsic describes a muscle that has an origin and insertion located in the same body region. (correct)
- Intrinsic describes a muscle that has an origin and insertion located in different body regions.
- Intrinsic describes the attachment of a muscle to the bone or structure that does move when the muscle contracts.
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?
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?
- Tendon
- Origin (correct)
- Belly
- Insertion
Which term describes bending a body part anteriorly (except in regard to the knee)?
Which term describes bending a body part anteriorly (except in regard to the knee)?
What muscle action describes bringing the thumb into the palm?
What muscle action describes bringing the thumb into the palm?
What is the term for a muscle that holds an origin stable for another muscle?
What is the term for a muscle that holds an origin stable for another muscle?
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?
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?
Which mineral is required for muscle cell function?
Which mineral is required for muscle cell function?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is not a function of the muscular system?
What is not a function of the muscular system?
What muscular disorder is characterized by painful muscle spasms?
What muscular disorder is characterized by painful muscle spasms?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles closes the eye?
Which of the following muscles closes the eye?
Which of the following muscles has an insertion on the mandible?
Which of the following muscles has an insertion on the mandible?
What is the origin of the frontalis muscle?
What is the origin of the frontalis muscle?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which part of a neuron carries the nerve impulse?
Which part of a neuron carries the nerve impulse?
What part of a neuron usually receives the information?
What part of a neuron usually receives the information?
What part of the axon is called the trigger zone?
What part of the axon is called the trigger zone?
Which statement accurately describes a muscle's response to nerve stimulation?
Which statement accurately describes a muscle's response to nerve stimulation?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What is a power stroke?
What is a power stroke?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
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?
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?
What does the term extrinsic refer to in regard to muscle?
What does the term extrinsic refer to in regard to muscle?
Which term describes moving a body part toward the midline?
Which term describes moving a body part toward the midline?
What muscle action means to make a circle with part of the body?
What muscle action means to make a circle with part of the body?
What is the term for muscles that have opposite actions?
What is the term for muscles that have opposite actions?
Which of the following is not found on the back or buttocks?
Which of the following is not found on the back or buttocks?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which part of a neuron carries the nerve impulse?
Which part of a neuron carries the nerve impulse?
Which part of a neuron usually receives the information?
Which part of a neuron usually receives the information?
What part of the axon is called the trigger zone?
What part of the axon is called the trigger zone?
Which of the following minerals are required for muscle cell function?
Which of the following minerals are required for muscle cell function?
Which of the following is the recommended daily allowance of protein for a person of average weight?
Which of the following is the recommended daily allowance of protein for a person of average weight?
What is not a function of the muscular system?
What is not a function of the muscular system?
What muscular disorder is characterized by a part of the viscera protruding through the abdominal wall?
What muscular disorder is characterized by a part of the viscera protruding through the abdominal wall?
Which of the following muscles does not originate on the humerus?
Which of the following muscles does not originate on the humerus?
What is the function of the rectus abdominis?
What is the function of the rectus abdominis?
Which of the following muscles extends and laterally rotates the hip?
Which of the following muscles extends and laterally rotates the hip?
Which muscle dorsiflexes and inverts the foot?
Which muscle dorsiflexes and inverts the foot?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
Which statement accurately describes a muscle's response to nerve stimulation?
Which statement accurately describes a muscle's response to nerve stimulation?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
Which of the following is at the insertion of the muscle?
Which of the following is at the insertion of the muscle?
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
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?
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?
What does the term intrinsic refer to in regard to muscle?
What does the term intrinsic refer to in regard to muscle?
Which of the following minerals are required for muscle cell function?
Which of the following minerals are required for muscle cell function?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is not a function of the muscular system?
What is not a function of the muscular system?
What function of the muscular system is performed when a person's facial expression can tell you how they feel?
What function of the muscular system is performed when a person's facial expression can tell you how they feel?
Which term describes the muscle action of bringing the thumb into the palm?
Which term describes the muscle action of bringing the thumb into the palm?
Which term describes the muscle action of raising the shoulders or closing the jaw?
Which term describes the muscle action of raising the shoulders or closing the jaw?
Which term describes the muscle action of lowering the shoulders or opening the jaw?
Which term describes the muscle action of lowering the shoulders or opening the jaw?
Which of the following is not a muscle of the head or neck?
Which of the following is not a muscle of the head or neck?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
In which phase of a muscle contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a muscle contraction is calcium actively transported back to the sarcoplasmic reticulum?
What term describes a sustained muscle contraction?
What term describes a sustained muscle contraction?
Which type of muscle tissue is voluntary and under conscious control?
Which type of muscle tissue is voluntary and under conscious control?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
What part of a neuron carries the nerve impulse?
What part of a neuron carries the nerve impulse?
Which part of a neuron usually receives the information?
Which part of a neuron usually receives the information?
What part of the axon is called the trigger zone?
What part of the axon is called the trigger zone?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles closes the eye?
Which of the following muscles closes the eye?
Which of the following muscles has an insertion on the mandible?
Which of the following muscles has an insertion on the mandible?
What is the origin of the frontalis muscle?
What is the origin of the frontalis muscle?
Which term describes moving a body part away from the midline?
Which term describes moving a body part away from the midline?
What muscle action means to spin on an axis?
What muscle action means to spin on an axis?
What muscle action describes bringing the thumb into the palm?
What muscle action describes bringing the thumb into the palm?
Which of the following is not a muscle of the head or neck?
Which of the following is not a muscle of the head or neck?
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
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?
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?
What does the term intrinsic refer to in regard to muscle?
What does the term intrinsic refer to in regard to muscle?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles is not found on the thigh or leg?
What is the function of the rectus abdominis?
What is the function of the rectus abdominis?
Which of the following muscles does not originate on the humerus?
Which of the following muscles does not originate on the humerus?
What is the connective tissue that surrounds an entire muscle?
What is the connective tissue that surrounds an entire muscle?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What are the two major components of the diencephalon?
What are the two major components of the diencephalon?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which part of a neuron carries the nerve impulse?
Which part of a neuron carries the nerve impulse?
What part of a neuron usually receives the information?
What part of a neuron usually receives the information?
What is found at the end of each axon?
What is found at the end of each axon?
Which of the following minerals are required for muscle cell function?
Which of the following minerals are required for muscle cell function?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is not a function of the muscular system?
What is not a function of the muscular system?
Which of the following statements about the aging of the muscular system is not true?
Which of the following statements about the aging of the muscular system is not true?
Which statement accurately describes a muscle's response to nerve stimulation?
Which statement accurately describes a muscle's response to nerve stimulation?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What is a power stroke?
What is a power stroke?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
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?
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?
What does the term intrinsic refer to in regard to muscle?
What does the term intrinsic refer to in regard to muscle?
Which muscle action describes bringing the thumb into the palm?
Which muscle action describes bringing the thumb into the palm?
Which muscle action describes raising the shoulders or closing the jaw?
Which muscle action describes raising the shoulders or closing the jaw?
Which muscle action describes lowering the shoulders or opening the jaw?
Which muscle action describes lowering the shoulders or opening the jaw?
Which of the following is not a muscle of the head or neck?
Which of the following is not a muscle of the head or neck?
Which of the following minerals are required for muscle cell function?
Which of the following minerals are required for muscle cell function?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is the dietary recommended daily allowance of protein for a person of average weight?
Which of the following muscles does not originate on the humerus?
Which of the following muscles does not originate on the humerus?
What is the function of the rectus abdominus?
What is the function of the rectus abdominus?
What is not a function of the muscular system?
What is not a function of the muscular system?
What muscular disorder is characterized by painful muscle spasms?
What muscular disorder is characterized by painful muscle spasms?
What part of a neuron carries the nerve impulse?
What part of a neuron carries the nerve impulse?
What is the connective tissue that surrounds several muscles of an area forming muscle compartments?
What is the connective tissue that surrounds several muscles of an area forming muscle compartments?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which of the following muscles inserts on the metacarpals and the carpals?
Which of the following muscles inserts on the metacarpals and the carpals?
What part of a neuron usually receives the information?
What part of a neuron usually receives the information?
What is found at the end of each axon?
What is found at the end of each axon?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
Which statement accurately describes a muscle's response to nerve stimulation?
Which statement accurately describes a muscle's response to nerve stimulation?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?
What is a power stroke?
What is a power stroke?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
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?
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?
What muscle action describes bending a body part anteriorly (except in regard to the knee)?
What muscle action describes bending a body part anteriorly (except in regard to the knee)?
What muscle action describes moving a body part away from the midline?
What muscle action describes moving a body part away from the midline?
What muscle action means to spin on an axis?
What muscle action means to spin on an axis?
Which of the following word roots refers to muscle?
Which of the following word roots refers to muscle?
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?
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?
What does the term intrinsic refer to in regard to muscle?
What does the term intrinsic refer to in regard to muscle?
Which lobe of the cerebrum is responsible for hearing?
Which lobe of the cerebrum is responsible for hearing?
What is the function of the frontal lobe of the cerebrum?
What is the function of the frontal lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
What is the function of the occipital lobe of the cerebrum?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles is not found on the thigh or leg?
Which of the following muscles close the eye?
Which of the following muscles close the eye?
Which of the following muscles has an insertion on the mandible?
Which of the following muscles has an insertion on the mandible?
What is the origin of the frontalis muscle?
What is the origin of the frontalis muscle?
Which of the following minerals are required for muscle cell function?
Which of the following minerals are required for muscle cell function?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is the dietary recommended daily allowance of protein for a person of average weight?
What is not a function of the muscular system?
What is not a function of the muscular system?
Which of the following statements about the aging of the muscular system is not true?
Which of the following statements about the aging of the muscular system is not true?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which division of the PNS prepares the body for physical activity or fight or flight?
Which part of a neuron carries the nerve impulse?
Which part of a neuron carries the nerve impulse?
What part of a neuron usually receives the information?
What part of a neuron usually receives the information?
What insulates the axon?
What insulates the axon?
Which statement accurately describes a muscle's response to nerve stimulation?
Which statement accurately describes a muscle's response to nerve stimulation?
What is a power stroke?
What is a power stroke?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?
Which of the following describes an event that occurs in the latent phase of a muscle contraction?
Which of the following describes an event that occurs in the latent phase of a muscle contraction?
Which term refers to the brief electrical charge that travels down the axon of a neuron?
Which term refers to the brief electrical charge that travels down the axon of a neuron?
Which term describes sensory neurons that carry nerve impulses from receptors towards the central nervous system?
Which term describes sensory neurons that carry nerve impulses from receptors towards the central nervous system?
Which term refers to the bending of light rays as they pass through different mediums?
Which term refers to the bending of light rays as they pass through different mediums?
Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?
Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?
What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
What sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?
What sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?
Which term refers to the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
Which term refers to the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
What is the term for the process where the eye's lens changes shape to focus on near or distant objects?
What is the term for the process where the eye's lens changes shape to focus on near or distant objects?
Which sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?
Which sensory receptor is specialized to detect harmful stimuli, potentially causing tissue damage?
Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?
Which term refers to the specialized junction between two neurons, where signals are transmitted from one neuron to another or to an effector cell?
What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
What is the term for the nerve pathways that carry signals from the brain and spinal cord to muscles and glands?
What is the process where the eye's lens changes shape to focus on near or distant objects?
What is the process where the eye's lens changes shape to focus on near or distant objects?
Study Notes
Muscle Terminology and Functions
- Word roots related to muscle include "myo" and "sarc."
- "Intrinsic" muscle refers to muscles that belong to the part they act on.
- The attachment of a muscle to an immovable bone is known as the origin.
- Flexion describes bending a body part anteriorly.
- Opposing muscle actions are referred to as antagonistic actions.
- Bringing the thumb into the palm is called opposition.
- A muscle stabilizing the origin of another muscle is termed a synergist.
- Pouring soup from a bowl involves wrist flexion.
- Calcium is essential for muscle cell function.
Nutritional Guidelines
- The recommended daily allowance (RDA) of protein for an average weight individual is approximately 46-56 grams, varying by age and sex.
Muscular Disorders and System Functions
- Muscle spasms are a characteristic symptom of muscular disorders like cramps.
- A hernia is when a part of the viscera protrudes through the abdominal wall.
- Functions of the muscular system include movement, posture maintenance, and heat production; it does not store minerals.
Cerebral Lobe Functions
- The temporal lobe is responsible for hearing.
- The frontal lobe is involved in decision-making, impulse control, and voluntary movement.
- The occipital lobe is primarily responsible for visual processing.
Muscular Actions and Classification
- Adduction involves moving a body part toward the midline.
- Circular movements are referred to as circumduction.
- Opposite movements are classified as antagonistic.
- The muscle action of raising shoulders is referred to as elevation, while lowering is termed depression.
Neuron Structure and Function
- The axon transmits nerve impulses.
- Dendrites receive information from other neurons.
- The trigger zone of a neuron is typically at the axon hillock.
- Synaptic terminals are found at the end of each axon.
Muscle Contraction Mechanisms
- The sliding filament theory explains muscle contraction where thick and thin myofilaments slide past each other.
- A power stroke refers to the action of the myosin heads pulling actin filaments during contraction.
- Calcium reabsorption into the sarcoplasmic reticulum occurs during the relaxation phase of a contraction.
Muscle Types and Control
- Skeletal muscle tissue is voluntary and under conscious control.
- The epimysium is the connective tissue that surrounds an entire muscle.
Age-related Muscular System Facts
- Statements regarding the aging of the muscular system may include misconceptions about muscle loss and function retention; age-related decline is a natural process but varies among individuals.
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Description
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.
