For each of the following body regions, name the peripheral nerve that carries somatic motor fibers to most of the skeletal muscles: flexor surface of the arm flexor surface of the forearm extensor surface of the arm and forearm anterior thigh posterior thigh anterior leg posterior leg

Q: In your own words, describe the main events occurring between the arrivalof an action potential at a…

A: The chemical synapse that favors the transmission of the signal from the motor neurons to the muscle…

Q: In a withdrawal reflex with reciprocal innervation:     inhibitory interneurons decussate from the…

A: Withdrawal reflex is a protective reflex. It is present during birth and thus persists throughout…

Q: Explain why a spinal cord injury in the neck completely paralyzes the skeletal muscles of the limbs,…

A: The brain and the spinal cord of the body controls many vital functions of the body. The brain and…

Q: Write the mnemonics for crainial nerves in 2 sets

A: Cranial nerve- The 12 nerves that control facial functions like the movement of the eye, tongue,…

Q: How would a lesion in the cerebellum and a lesion in the basal nuclei differ in their effects on…

A: Cerebellum and Basal nuclei are the parts of the brain and help in movement. The cerebellum is…

Q: subtractive technique that uses nerve stimulation at two points and subtracting the difference…

A: Nerve impulse  conduction is a complex phenomena and it starts at the point of stimulation which is…

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: 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: Identify characteristics of Golgi tendon reflexes

A: The study of human body can be divided into anatomy and physiology. The anatomy studies about the…

Q: Discuss Conceptual Motor Control Hierarchy for Voluntary Movements?

A: The motor control hierarchy for voluntary movements states that the central nervous system is…

Q: Depolarization of a motor nerve is produced by the ____ of _____ channels in the nodes of Ranvier:…

A: The potential changes during the transmission of nerve impulse are called action potential. There…

Q: Define synaptic knob.

A: Nervous system is a complex network of nerves and cells that carry messages to and from the brain…

Q: woman presents to the emergency department with loss of muscle function on the right side of her…

A: A stroke is a situation that occurs when blood supply to the brain is interrupted, which reduced the…

Q: Explain how it makes sense physiologically that the last fibers to be recruited to contract are the…

A: Fatigue is a term used to describe an overall feeling of tiredness or lack of energy. It isn’t the…

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: There are reflex arcs that employ a gamma motor neuron wrapped around a muscle spindle and involve…

A: A stretch reflex involves sensation perception of the tap by the intrafusal fibres in the muscle…

Q: Explain why muscle tone is first decreased and then increased when descending motor tracts…

A: The fibre tracts that carry impulses from the brain to the skeletal muscles are called "motor or…

Q: You are observing in a Physical Therapy clinic and a patient presents with back pain. The images…

A: A ‘reflex arc' is the path that nerve impulses follow to trigger a reaction. Because this process…

Q: the agonist muscle is stimulated to c antagonist muscle is inhibited. This relationship is referred…

A: In response to a particular stimulus, the instant and involuntary movements are known as reflexes.…

Q: A friend who works in a research lab is conducting an experiment to study motor movement. First the…

A: The animal undergoes T5 spinal transection which is the injury that affects legs and trunk. GABA…

Q: Define sciatic nerve

A: The muscular system consists of smooth, skeletal, and cardiac muscles. Its major function is to…

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: Fill in the blanks below using the following words: Sensory, motor, mixed, muscle, and spinal cord.…

A: Neurons are tiny, specialized cells in the brain and nervous system that help us think, feel, and…

Q: Discharge from muscle spindles could be increased by all the following, except :-a- increased…

A: Muscle tissue is soft tissues that provide ability to contract. Cardiac muscle, skeletal muscle, and…

Q: Describe the following Alpha gamma coactivation Golgi tendon apparatus

A: Muscle tissue plays a vital role in providing body movements through the contraction of muscles.…

Q: What would a neuropathy of a cervical somatic motor nerve to expected to cause? brisk reflexes…

A: Autonomic and somatic nervous system are parts of the PNS (peripheral nervous system). The somatic…

Q: what is the muscle-to-mind connection?

A: Introduction: Muscles are the soft tissues in mammals. The muscle cells comprise protein filaments,…

Q: List the types of muscles and the proprioceptors that control them.

A: Proprioception is the ability of the body to sense its own location, movements, and actions. It is…

Q: The peripheral target of axons running in the nerve identified by letter C is       superior…

A: The brain stem is the part of the brain that extends from the cranial end of the spinal cord to the…

Q: If acetylcholinesterase fails to function properly at the neuromuscular junction, which of the…

A: The neurons are specialised cells of the human nervous system. The neurons of the nervous system…

Q: Which type of neuron does the sensory neuron synapse with in a polysynaptic reflex arc?

A: A reflex arc is a neural pathway that is responsible for an involuntary action called reflex.Reflex…

Q: Draw the entire pathway for skeletal muscle action from the spinal cord until the end of the…

A: Both neurons and skeletal muscle cells are electrically excitable, indicating that they are able to…

Q: What would happen without input from gamma motor neurons? A) Information about velocity would…

A: Intrafusal fibers are specialized muscle fibers. They are found in the muscle spindles. Muscle…

Q: The shape of the cell bodies of upper and lower motor neurons are structurally classified as blank…

A: Neurons are the structural and functional units of the nervous system. These are the specialized…

Q: What ion is needed to release neurotransmitters from thesynaptic vesicle? What neurotransmitter is…

A: Introduction:   Synaptic vesicles are small membrane sacs that transport neurotransmitters from the…

Q: Triceps Tegin Biceps Tricaps Biceps

A: Reflex occurs in response to stimulus which is an involuntary and instantaneous movement. This…

Q: Define multiple motor unit summation

A: The skeletal muscles are the muscles which are attached to the bones and are responsible for…

Q: Define dorsiflexion

A: The primary function of a muscle is transformation of chemical energy into mechanical energy to…

Q: Which type of neuron does the sensory neuron synapse with in a monosynaptic reflex arc?

A: In neurophysiology, the term reflex is used to describe the body’s unplanned and sudden action that…