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Questions and Answers
Which division of the Autonomic Nervous System (ANS) prepares the body for physical activity?
Which division of the Autonomic Nervous System (ANS) prepares the body for physical activity?
- Parasympathetic division
- Cervical division
- Thoracic division
- Sympathetic division (correct)
How many pairs of spinal nerves form 5 plexuses to serve specific regions of the body?
How many pairs of spinal nerves form 5 plexuses to serve specific regions of the body?
- 31 pairs (correct)
- 8 pairs
- 5 pairs
- 12 pairs
Which part of the spinal cord contains gray matter with sensory and motor horns?
Which part of the spinal cord contains gray matter with sensory and motor horns?
- Cervical enlargement (correct)
- Sacral region
- White matter
- Lumbar region
What is the function of the sympathetic division of the Autonomic Nervous System (ANS)?
What is the function of the sympathetic division of the Autonomic Nervous System (ANS)?
Which part of the spinal cord is divided into cervical, thoracic, lumbar, and sacral regions?
Which part of the spinal cord is divided into cervical, thoracic, lumbar, and sacral regions?
What does the Autonomic Nervous System (ANS) control?
What does the Autonomic Nervous System (ANS) control?
Which division of the Autonomic Nervous System (ANS) calms body functions?
Which division of the Autonomic Nervous System (ANS) calms body functions?
What do cortical pathways include?
What do cortical pathways include?
What does the sympathetic division of the Autonomic Nervous System (ANS) use to prepare the body for physical activity?
What does the sympathetic division of the Autonomic Nervous System (ANS) use to prepare the body for physical activity?
What does the cerebellum coordinate?
What does the cerebellum coordinate?
Which part of the spinal cord involves upper and lower motor neurons and includes the corticospinal and corticobulbar tracts?
Which part of the spinal cord involves upper and lower motor neurons and includes the corticospinal and corticobulbar tracts?
What is the function of the parasympathetic division of the Autonomic Nervous System (ANS)?
What is the function of the parasympathetic division of the Autonomic Nervous System (ANS)?
Which receptor serves as a proprioceptor and monitors the position and movement of body parts?
Which receptor serves as a proprioceptor and monitors the position and movement of body parts?
Which reflex helps to maintain equilibrium and posture by stabilizing joints?
Which reflex helps to maintain equilibrium and posture by stabilizing joints?
Which reflex arc uses an ipsilateral pathway for stimulus and response?
Which reflex arc uses an ipsilateral pathway for stimulus and response?
What is the function of the crossed extension reflex?
What is the function of the crossed extension reflex?
What type of reflex pathway involves signals traveling over many synapses on their way to the muscle?
What type of reflex pathway involves signals traveling over many synapses on their way to the muscle?
What are tendon organs?
What are tendon organs?
What is the response to excessive tension on the tendon?
What is the response to excessive tension on the tendon?
Where are integrative centers located?
Where are integrative centers located?
What do efferent nerve fibers carry?
What do efferent nerve fibers carry?
What is the function of afferent nerve fibers?
What is the function of afferent nerve fibers?
What is the role of effectors in a reflex arc?
What is the role of effectors in a reflex arc?
What is the primary function of the stretch (myotactic) reflex?
What is the primary function of the stretch (myotactic) reflex?
What is the primary function of a muscle spindle?
What is the primary function of a muscle spindle?
Which reflex helps to maintain equilibrium and posture by stabilizing joints?
Which reflex helps to maintain equilibrium and posture by stabilizing joints?
What is the function of afferent nerve fibers?
What is the function of afferent nerve fibers?
What is the role of effectors in a reflex arc?
What is the role of effectors in a reflex arc?
What is the function of the crossed extension reflex?
What is the function of the crossed extension reflex?
What is the function of the tendon reflex?
What is the function of the tendon reflex?
Where are integrative centers located in the reflex arc?
Where are integrative centers located in the reflex arc?
What is the function of efferent nerve fibers in a reflex arc?
What is the function of efferent nerve fibers in a reflex arc?
What is the function of the flexor reflex?
What is the function of the flexor reflex?
What is the function of tendon organs?
What is the function of tendon organs?
What type of reflex pathway involves signals traveling over many synapses on their way to the muscle?
What type of reflex pathway involves signals traveling over many synapses on their way to the muscle?
What is the function of afferent nerve fibers in a reflex arc?
What is the function of afferent nerve fibers in a reflex arc?
Which division of the Autonomic Nervous System (ANS) controls involuntary functions of glands, cardiac muscles, and smooth muscles?
Which division of the Autonomic Nervous System (ANS) controls involuntary functions of glands, cardiac muscles, and smooth muscles?
Which part of the spinal cord coordinates motor activities at multiple levels and is involved in preparing for movement and fine-tuning movements?
Which part of the spinal cord coordinates motor activities at multiple levels and is involved in preparing for movement and fine-tuning movements?
How many pairs of spinal nerves form 5 plexuses to serve specific regions of the body?
How many pairs of spinal nerves form 5 plexuses to serve specific regions of the body?
What is the primary function of the corticospinal and corticobulbar tracts in the somatic motor pathways?
What is the primary function of the corticospinal and corticobulbar tracts in the somatic motor pathways?
Which division of the Autonomic Nervous System (ANS) calms body functions?
Which division of the Autonomic Nervous System (ANS) calms body functions?
What type of pathways involve functional maps of the primary somatosensory and motor cortex?
What type of pathways involve functional maps of the primary somatosensory and motor cortex?
What is the primary function of the sympathetic division of the Autonomic Nervous System (ANS)?
What is the primary function of the sympathetic division of the Autonomic Nervous System (ANS)?
What is the role of the Autonomic Nervous System (ANS) in controlling involuntary functions?
What is the role of the Autonomic Nervous System (ANS) in controlling involuntary functions?
What does the sympathetic division of the Autonomic Nervous System (ANS) use to prepare the body for physical activity?
What does the sympathetic division of the Autonomic Nervous System (ANS) use to prepare the body for physical activity?
What do somatic sensory pathways include?
What do somatic sensory pathways include?
What is the function of the corticospinal and corticobulbar tracts in somatic motor pathways?
What is the function of the corticospinal and corticobulbar tracts in somatic motor pathways?
What is the function of the cerebellum in the nervous system?
What is the function of the cerebellum in the nervous system?
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Study Notes
The Spinal Cord and Peripheral Nervous System
- Functions of the spinal cord include conduction, neural integration, locomotion, and reflexes
- The spinal cord is divided into cervical, thoracic, lumbar, and sacral regions, with thicker areas in the cervical and lumbosacral enlargements
- It contains gray matter with sensory and motor horns, and white matter with bundles of axons and various tracts
- Spinal nerves consist of 31 pairs and form 5 plexuses, with each pair serving specific regions of the body
- The Autonomic Nervous System (ANS) controls involuntary functions of glands, cardiac muscles, and smooth muscles
- The ANS is divided into the sympathetic and parasympathetic divisions, with each carrying out specific functions
- The sympathetic division prepares the body for physical activity, while the parasympathetic division calms body functions
- The ANS uses different neurotransmitters and receptors to produce opposing effects
- Cortical pathways include somatic sensory and motor pathways, which involve functional maps of the primary somatosensory and motor cortex
- Somatic sensory pathways include the spinothalamic, posterior column, and spinocerebellar pathways
- Somatic motor pathways involve upper and lower motor neurons and include the corticospinal and corticobulbar tracts
- The cerebellum coordinates motor activities at multiple levels and is involved in preparing for movement and fine-tuning movements
The Spinal Cord and Peripheral Nervous System
- Functions of the spinal cord include conduction, neural integration, locomotion, and reflexes
- The spinal cord is divided into cervical, thoracic, lumbar, and sacral regions, with thicker areas in the cervical and lumbosacral enlargements
- It contains gray matter with sensory and motor horns, and white matter with bundles of axons and various tracts
- Spinal nerves consist of 31 pairs and form 5 plexuses, with each pair serving specific regions of the body
- The Autonomic Nervous System (ANS) controls involuntary functions of glands, cardiac muscles, and smooth muscles
- The ANS is divided into the sympathetic and parasympathetic divisions, with each carrying out specific functions
- The sympathetic division prepares the body for physical activity, while the parasympathetic division calms body functions
- The ANS uses different neurotransmitters and receptors to produce opposing effects
- Cortical pathways include somatic sensory and motor pathways, which involve functional maps of the primary somatosensory and motor cortex
- Somatic sensory pathways include the spinothalamic, posterior column, and spinocerebellar pathways
- Somatic motor pathways involve upper and lower motor neurons and include the corticospinal and corticobulbar tracts
- The cerebellum coordinates motor activities at multiple levels and is involved in preparing for movement and fine-tuning movements
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