The knee-jerk reflex is often called a stretch reflex because a sharp tap on the patellar ligament stretches the quadriceps femoris, the extensor muscle of the leg. Describe the components and se-quence of events that lead to a “knee jerk.” Why is this reflex sim-pler than most reflex arcs? What is the difference between a reflex arc and a reflex act?

Q: List the names and functions of the three neurons involved in a reflex arc (eg. a spinal refelx) and…

A: In a reflex, the path taken by the nerve impulse is known as a reflex arc. The events followed in a…

Q: What are the neural pathways involved in the knee-jerk reflex?

A: REFLEX:        An involuntary automatic reaction to a specific stimulus that doesn't require input…

Q: Stretch reflexes occur in many of the muscles of the body. Using table 10.16, determine which…

A: A stretch reflex is a muscle contraction in response to stretching within the muscles. The reflex…

Q: With regards to transversus abdominus, how does its activation differ during a simple shoulder…

A: Tranversus adbominis refers to the muscular sheet present on the front and side of the abdominal…

Q: D Question 27 Which of the following muscles are likely more influential in proprioception than…

A: The nervous system is categorized into central nervous system and peripheral nervous system. The…

Q: List the names and functions of the three neurons involved in a reflex arc (e.g. a spinal reflex)…

A: Spinal cord is important for the reflex reactions because it is placed below the brain level and is…

Q: Check this reflex by gently dorsiflexing a classmate’s foot then using a reflex hammer to strike the…

A: Achilles tendon is the largest tendon of the body. It expanses from the bone of the heel to the calf…

Q: What might happen if you could suddenly stimulate gamma motor neurons to leg flexor muscles in a…

A: Neurons can detect, receive and transmit different kinds of stimuli. They are the structural and…

Q: Describe the neural pathway involved in the patellar and achilles tendon reflex

A: The nervous system plays a major role in transmitting the reflexes from the tissues to the brain.…

Q: Motor control can be defined as the acquisition of relatively permanent movement skills resulting…

A: Motor control may involve conscious control over movements of joints and body segments. It regulates…

Q: A student tested their patellar tendon (knee-jerk) reflex normally and with the JENDRASSIK MANEUVER…

A: A reflex, also known as a reflex action, is an uncontrollable, unplanned series of movements that…

Q: Describe the mechanism and function of a stretch reflex, tendonreflex, flexor (withdrawal) reflex,…

A: A reflex refers to the rapid, unplanned series, and involuntary actions that take place in response…

Q: Describe a simple stretch reflex, a flexion reflex, and a crossedextension reflex?

A: The body of humans perform various physical activities; some of these are voluntary, while others…

Q: What changes would occur in the knee-jerk reflex after the destruction of thegamma motor neurons?

A: Gama motor neuron is the most important neuron emerges from the anterior grey matter of the spinal…

Q: The reflex times for the Achilles Tendon Reflex and the Patellar Tendon Reflex should be different?…

A: The Achilles tendon reflex also known as the ankle reflex is a deep tendon reflex that occurs when…

Q: Is the brain necessary for spinal reflex activity to occur? Why or why not? List in correct…

A: Phylogenetically, the spinal cord is older than most brain structures; they are responsible for…

Q: Describe how monosynaptic and polysynaptic reflex arcs differ

A: The reflex arc can be defined as the pathway taken by the neuron in the reflex action.…

Q: What are the five reflex arc components for the Achilles Tendon Reflex? Receptor, the type of the…

A: Reflex is a spontaneous involuntary response to the stimulus. Reflex arc is a pathway that carries…

Q: f you were to show something to the right visual field of a split brain patient they would be able t…

A: Split-brain also called callosal syndrome is a disconnection syndrome. In this syndrome, the corpus…

Q: Why must the withdrawal reflex, but not the stretch reflex, involve a polysynaptic reflex arc?

A: The withdrawal reflex could be a spinal reflex meant to shield the body from damaging stimuli. it's…

Q: Why is the crossed extensor reflex classified as a contralateral reflex arc?

A: Introduction: An instantaneous and involuntary action of movement responding to a stimulus is…

Q: List the names nd functions of the three neurons involved in a reflex arc (eg. a spinal reflex) and…

A: A reflex action can be defined as an involuntary response to a stimulus. It minimizes the damage to…

Q: An ipsilateral reflex arc is one in which

A: The path through which reflex action takes place and extends between sensory organ to effector organ…

Q: Which of the following muscle nerve pairings in incorrect? Gluteus minimus - Superior gluteal nerve…

A: Every muscle is innervated by different types of nerves so that they may give instructions for the…

Q: What are the five reflex arc components for the Biceps Tendon Reflex? Receptor, the type of the…

A: A reflex refers to the prompt and involuntary movement of the body parts in reply to a stimulus. A…

Q: What is a withdrawal reflex? How do reciprocalinnervation and the crossed extensor reflex assist…

A: Reflex arc:-It is defined as that neural pathway controlling action reflex.-In the case of higher…

Q: what is typical reflex pathway containing three different nerve cell types. What function does the…

A: The 3 major types of nerve cells in the nervous system include: Sensory neurons Relay neurons Motor…

Q: Describe the differences in action between bilateral andunilateral contraction of the splenius…

A: The splenius capitis is a broad, straplike muscle in the posterior of the neck ,  plucks on the root…

Q: Define the term stretch reflex and describe how such reflexes are used to anatomically localize SCI

A: Stretch reflex, also known myotatic reflex is defined as the muscle contraction in response to…

Q: The conduction velocities for the Achille's tendon reflex and the Patellar tendon reflex should be…

A: Reflex arc is the process of reflex formation. It consists of a parallel (or sensory) sensor, one or…

Q: Reflex actions could be classified according to :-a- the type of sensory receptors initiating themb-…

A: The involuntary action that has an instantaneous movement in a body to respond to a stimulus is…

Q: Golgi tendon organs are located in ________ and cause muscle to __________ in the tendon reflex.…

A: The GTO or Golgi tendon organ is referred to as a sensory receptor organ that tends to sense any…

Q: Sometimes, when it is difficult to initiate a knee-jerk reflexby tapping the patellar tendon,a…

A: Introduction: The knee-jerk reflex, also known as the patellar reflex, is an involuntary movement of…

Q: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the…

A: The facial nerve is also known as the seventh cranial nerve or CN VII nerve. It originates from the…