Podcast
Questions and Answers
What is the expected response when the patellar ligament is struck?
What is the expected response when the patellar ligament is struck?
- Contraction of the quadricep muscle (correct)
- Relaxation of the quadricep muscle
- Contraction of the hamstrings
- No response in any muscle
In the Polysynaptic Reflex, which structure is not directly involved?
In the Polysynaptic Reflex, which structure is not directly involved?
- Sensory neuron
- Muscle (correct)
- Skin receptor
- Interneuron in spinal cord
What is the main characteristic of a reflex?
What is the main characteristic of a reflex?
- Is an automatic reaction that does not involve conscious thought (correct)
- Requires conscious thought
- Involves sensory information to the brain for interpretation
- Involves only the brain
What occurs when the skin between the toes is pinched?
What occurs when the skin between the toes is pinched?
What type of muscles are involved in the Withdrawal Reflex?
What type of muscles are involved in the Withdrawal Reflex?
What happens if too much force is used to elicit a withdrawal reflex?
What happens if too much force is used to elicit a withdrawal reflex?
Which type of motor neuron originates in the grey matter of the spinal cord and connects directly to the muscle?
Which type of motor neuron originates in the grey matter of the spinal cord and connects directly to the muscle?
What is a characteristic of LMN damage?
What is a characteristic of LMN damage?
Which spinal functional segment has LMN to the rear legs?
Which spinal functional segment has LMN to the rear legs?
What does the Menace Response involve?
What does the Menace Response involve?
Which cranial nerves are involved in the Pupillary Light Reflex?
Which cranial nerves are involved in the Pupillary Light Reflex?
What is assessed in the Panniculus Reflex?
What is assessed in the Panniculus Reflex?
What is the primary function of a reflex arc?
What is the primary function of a reflex arc?
Which of the following is NOT a component of a typical reflex arc?
Which of the following is NOT a component of a typical reflex arc?
What distinguishes a monosynaptic reflex from a polysynaptic reflex?
What distinguishes a monosynaptic reflex from a polysynaptic reflex?
The patellar reflex, also known as the knee-jerk reflex, is an example of a:
The patellar reflex, also known as the knee-jerk reflex, is an example of a:
Which of the following is NOT a step in the monosynaptic reflex arc for the patellar reflex?
Which of the following is NOT a step in the monosynaptic reflex arc for the patellar reflex?
What is the primary difference between a response and a reflex?
What is the primary difference between a response and a reflex?
Which of the following reflexes is monosynaptic?
Which of the following reflexes is monosynaptic?
In the reflex arc shown, the neuron labeled #5 is a:
In the reflex arc shown, the neuron labeled #5 is a:
Which spinal cord segment would an injury affect the lower motor neurons innervating the front limb?
Which spinal cord segment would an injury affect the lower motor neurons innervating the front limb?
Which reflex is mediated by the trigeminal (CN V) and facial (CN VII) nerves?
Which reflex is mediated by the trigeminal (CN V) and facial (CN VII) nerves?
Which nerve innervates the cutaneous trunci muscle, causing it to twitch in response to a stimulus to the trunk?
Which nerve innervates the cutaneous trunci muscle, causing it to twitch in response to a stimulus to the trunk?
Which reflex is mediated by the pudendal nerve, with roots from spinal cord segments S1-S3?
Which reflex is mediated by the pudendal nerve, with roots from spinal cord segments S1-S3?
Which component of the polysynaptic reflex arc is responsible for the inhibition of muscle contraction?
Which component of the polysynaptic reflex arc is responsible for the inhibition of muscle contraction?
What is the primary difference between a reflex and a response?
What is the primary difference between a reflex and a response?
What is the purpose of the withdrawal reflex?
What is the purpose of the withdrawal reflex?
What is the primary function of a reflex arc?
What is the primary function of a reflex arc?
What is the expected response when the patellar ligament is struck?
What is the expected response when the patellar ligament is struck?
What happens if too much force is used to elicit a withdrawal reflex?
What happens if too much force is used to elicit a withdrawal reflex?
What is the main difference between monosynaptic and polysynaptic reflexes?
What is the main difference between monosynaptic and polysynaptic reflexes?
Which of the following best describes the process of a monosynaptic reflex?
Which of the following best describes the process of a monosynaptic reflex?
What is the role of an interneuron in a reflex arc?
What is the role of an interneuron in a reflex arc?
Which component is NOT part of a typical monosynaptic reflex arc?
Which component is NOT part of a typical monosynaptic reflex arc?
What initiates a monosynaptic reflex like the patellar reflex?
What initiates a monosynaptic reflex like the patellar reflex?
Which term best describes a reflex that tests a very specific area and is rapid in nature?
Which term best describes a reflex that tests a very specific area and is rapid in nature?
What is a characteristic of UMN damage?
What is a characteristic of UMN damage?
Which spinal cord segment has UMN innervating the front limbs?
Which spinal cord segment has UMN innervating the front limbs?
What type of reflex is the Pupillary Light Reflex?
What type of reflex is the Pupillary Light Reflex?
Which type of motor neurons communicate directly with muscles in the peripheral nervous system?
Which type of motor neurons communicate directly with muscles in the peripheral nervous system?
What characteristic distinguishes the Menace Response from other reflexes?
What characteristic distinguishes the Menace Response from other reflexes?
Which cranial nerve is involved in the Panniculus Reflex?
Which cranial nerve is involved in the Panniculus Reflex?
Which reflex is mediated by the lateral thoracic nerve that supplies motor innervation to the cutaneous trunci muscle?
Which reflex is mediated by the lateral thoracic nerve that supplies motor innervation to the cutaneous trunci muscle?
Which of the following reflexes involves the orbicularis oculi muscle contracting in response to touching the eyelid?
Which of the following reflexes involves the orbicularis oculi muscle contracting in response to touching the eyelid?
Which spinal cord segment would an injury affect the lower motor neurons that innervate the rear limbs?
Which spinal cord segment would an injury affect the lower motor neurons that innervate the rear limbs?
Which component of the reflex arc is represented by the arrow labeled #5 in the image?
Which component of the reflex arc is represented by the arrow labeled #5 in the image?
Which of the following reflexes is mediated by the pudendal nerve with roots from spinal cord segments S1-S3?
Which of the following reflexes is mediated by the pudendal nerve with roots from spinal cord segments S1-S3?
Which of the following reflexes is described as monosynaptic in the provided text?
Which of the following reflexes is described as monosynaptic in the provided text?
