Podcast
Questions and Answers
What is the primary function of the peripheral nervous system?
What is the primary function of the peripheral nervous system?
- To regulate body temperature
- To provide links from and to the world outside the body (correct)
- To process and integrate sensory information
- To control voluntary movements
What is the result of sensory receptors responding to changes in the environment?
What is the result of sensory receptors responding to changes in the environment?
- Graded potentials that trigger nerve impulses (correct)
- Conscious awareness of stimuli
- Action potentials in the spinal cord
- Inhibition of motor activity
How can sensory receptors be classified?
How can sensory receptors be classified?
- By function only
- By their location in the central nervous system
- By their connection to the autonomic nervous system
- By type of stimulus, body location, and structural complexity (correct)
What is the part of the nervous system that includes the brain and spinal cord?
What is the part of the nervous system that includes the brain and spinal cord?
What is the division of the nervous system responsible for transmitting information from the environment to the central nervous system?
What is the division of the nervous system responsible for transmitting information from the environment to the central nervous system?
What is the term for the awareness of a stimulus and the interpretation of its meaning?
What is the term for the awareness of a stimulus and the interpretation of its meaning?
What is the process by which the energy of a stimulus is converted into a graded potential?
What is the process by which the energy of a stimulus is converted into a graded potential?
Which type of receptors are examples of phasic receptors?
Which type of receptors are examples of phasic receptors?
At which level of neural integration do free nerve endings, muscle spindles, and joint kinesthetic receptors operate?
At which level of neural integration do free nerve endings, muscle spindles, and joint kinesthetic receptors operate?
What happens to receptor potentials during adaptation?
What happens to receptor potentials during adaptation?
What is the function of the thalamus in the somatosensory system?
What is the function of the thalamus in the somatosensory system?
What is the term for the change in sensitivity of a receptor in response to a constant stimulus?
What is the term for the change in sensitivity of a receptor in response to a constant stimulus?
What is the region where the ventral rami, except T2–T12, form interlacing nerve networks?
What is the region where the ventral rami, except T2–T12, form interlacing nerve networks?
What is the name of the nerve branch that is smaller in size?
What is the name of the nerve branch that is smaller in size?
What is the term for the collection of nerve roots that extend through the lower vertebral canal?
What is the term for the collection of nerve roots that extend through the lower vertebral canal?
What is the direction in which the spinal roots arise from the spinal cord?
What is the direction in which the spinal roots arise from the spinal cord?
Which spinal nerves form the cervical plexus?
Which spinal nerves form the cervical plexus?
What is the main function of the phrenic nerve?
What is the main function of the phrenic nerve?
What is the structure through which spinal nerves emerge from the vertebral column?
What is the structure through which spinal nerves emerge from the vertebral column?
What is the consequence of severing both phrenic nerves?
What is the consequence of severing both phrenic nerves?
What is the characteristic of the fibers within a nerve plexus?
What is the characteristic of the fibers within a nerve plexus?
Which of the following is NOT a branch of the brachial plexus?
Which of the following is NOT a branch of the brachial plexus?
What is the result of irritation of the phrenic nerve?
What is the result of irritation of the phrenic nerve?
Which spinal nerves contribute to the formation of the brachial plexus?
Which spinal nerves contribute to the formation of the brachial plexus?
What is the primary function of precommand level neurons in the cerebellum and basal nuclei?
What is the primary function of precommand level neurons in the cerebellum and basal nuclei?
Which type of reflex is innate and rapid, and is an involuntary motor response to a stimulus?
Which type of reflex is innate and rapid, and is an involuntary motor response to a stimulus?
What is the role of the integration center in a reflex arc?
What is the role of the integration center in a reflex arc?
What is the site of stimulus action in a reflex arc?
What is the site of stimulus action in a reflex arc?
Which component of a reflex arc conducts efferent impulses from the integration center to the effector organ?
Which component of a reflex arc conducts efferent impulses from the integration center to the effector organ?
What type of reflex is a result of practice or repetition?
What type of reflex is a result of practice or repetition?
