Podcast
Questions and Answers
What is the main function of the spinal cord and spinal nerves?
What is the main function of the spinal cord and spinal nerves?
- Relaying sensory input from the brain to the body (correct)
- Controlling the functions of internal organs
- Relaying motor output from the body to the brain
- Providing a link between the brain and the torso only
Which chapter of the textbook provides information about the protective structures of the spinal cord?
Which chapter of the textbook provides information about the protective structures of the spinal cord?
- Chapter 13 (correct)
- Chapter 15
- Chapter 14
- Chapter 16
What are dermatomes?
What are dermatomes?
- Structures that protect the spinal cord
- Components of a reflex arc
- Main nerves in each nerve plexus
- Specific areas of skin innervated by particular nerves (correct)
Which type of reflex is responsible for quickly pulling your hand away from a hot object?
Which type of reflex is responsible for quickly pulling your hand away from a hot object?
What is the main difference between direct and indirect motor pathways?
What is the main difference between direct and indirect motor pathways?
Which type of pathway distinguishes between fine touch, pressure, and vibration sensations?
Which type of pathway distinguishes between fine touch, pressure, and vibration sensations?
Damage to which nerve plexus can result in difficulty moving the shoulder and arm?
Damage to which nerve plexus can result in difficulty moving the shoulder and arm?
Which reflex arc is responsible for maintaining muscle tone and adjusting it reflexively?
Which reflex arc is responsible for maintaining muscle tone and adjusting it reflexively?
Which type of neurons relay motor output from the brain to effectors?
Which type of neurons relay motor output from the brain to effectors?
How many neurons are typically involved in transmitting nerve signals from sensory receptors to the brain in sensory pathways?
How many neurons are typically involved in transmitting nerve signals from sensory receptors to the brain in sensory pathways?
In which part of the body is the primary (first-order) neuron located in the sensory pathways?
In which part of the body is the primary (first-order) neuron located in the sensory pathways?
Which somatosensory pathway provides information about pain, temperature, touch, and pressure for conscious interpretation?
Which somatosensory pathway provides information about pain, temperature, touch, and pressure for conscious interpretation?
Where does decussation occur in the Posterior column medial-lemniscus pathway?
Where does decussation occur in the Posterior column medial-lemniscus pathway?
What is the function of the Secondary (second-order) neuron in sensory pathways?
What is the function of the Secondary (second-order) neuron in sensory pathways?
Where are somatosensory pathways found within?
Where are somatosensory pathways found within?
What is the function of spinal reflexes?
What is the function of spinal reflexes?
Where does the spinal cord end in relation to the vertebrae?
Where does the spinal cord end in relation to the vertebrae?
What is the function of the vertebral foramina?
What is the function of the vertebral foramina?
Which meninx directly adheres to the external surface of the spinal cord?
Which meninx directly adheres to the external surface of the spinal cord?
Where is cerebrospinal fluid (CSF) located in relation to the arachnoid mater?
Where is cerebrospinal fluid (CSF) located in relation to the arachnoid mater?
How do spinal nerves exit the vertebral column?
How do spinal nerves exit the vertebral column?
What is the purpose of a lumbar puncture (spinal tap)?
What is the purpose of a lumbar puncture (spinal tap)?
What is the relationship between spinal cord meninges and cranial meninges?
What is the relationship between spinal cord meninges and cranial meninges?
What type of information does the spinocerebellar pathway provide for subconscious interpretation?
What type of information does the spinocerebellar pathway provide for subconscious interpretation?
Where are the motor tracts that comprise motor pathways typically found?
Where are the motor tracts that comprise motor pathways typically found?
Which tract innervates axial skeletal muscles like those in the trunk, neck, and shoulders?
Which tract innervates axial skeletal muscles like those in the trunk, neck, and shoulders?
Where does the lateral corticospinal tract decussate?
Where does the lateral corticospinal tract decussate?
Which type of pathway involves only two motor neurons: one upper motor neuron and one lower motor neuron?
Which type of pathway involves only two motor neurons: one upper motor neuron and one lower motor neuron?
Where does the rubrospinal tract originate?
Where does the rubrospinal tract originate?
What is the function of the rubrospinal tract?
What is the function of the rubrospinal tract?
What is the role of the upper motor neuron in motor pathways?
What is the role of the upper motor neuron in motor pathways?
Which nerve innervates the diaphragm?
Which nerve innervates the diaphragm?
What happens when a dermatome is innervated by more than one spinal nerve?
What happens when a dermatome is innervated by more than one spinal nerve?
Which nerve is responsible for innervating the deltoid muscle?
Which nerve is responsible for innervating the deltoid muscle?
Which plexus does not form on both sides of the body?
Which plexus does not form on both sides of the body?
Which nerve innervates the muscles that extend the wrist in the posterior forearm?
Which nerve innervates the muscles that extend the wrist in the posterior forearm?
What is the function of the median nerve in the brachial plexus?
What is the function of the median nerve in the brachial plexus?
Which is NOT a main nerve plexus?
Which is NOT a main nerve plexus?
