The reticular formation O is the combination of the dorsal and ventral horns of the spine that govern motion and it is feedback control the combined structure of the NMJ, the T Tubules and the sarcoplasmic reticulum is a CNS integrating center for all sensory information used to control voluntary motion O is a specific reaction of the cerebral cortex that starts the decision to generate a voluntary motion

Q: γ-motor neuron discharge to a muscle is inhibited by impulses reaching the γ-motor neurons from all…

A: A gamma motor neuron cell bodies are located in the anterior grey column of the spinal cord. A gamma…

Q: Which phase has the goals to ensure proper motion and movement? O Acute inflamation O Mobility…

A: Injuries are common among individuals who play sports extensively, or even as a profession.…

Q: Type I fibers are only recruited in light repetitive movements like postural adjustment and slow…

A: The muscle fibres have a specialised structure that helps in contraction. Usually the actin and…

Q: Bob suffers a heart attack and clutches his chest. How is sensory and motor information propagated…

A: Artherosclerosis is the block in arteries due to cholesterol deposition. The damage or blockage of…

Q: Following a fracture of cervical vertebra a patient exhibit spastic paralysis on the right upper and…

A: Given that the patient has a fracture of cervical vertebra, spastic paralysis on right side and loss…

Q: 10. PUT TH NUMBERING THEM. STEPS OF THE REFLEX ARC IN THE CORRECT ORDER BY Agonist muscles are…

A:

Q: Representation of the body in the primary motor area :-a- is ipsilateralb- is uprightc- is…

A: The main area of the brain that is responsible for the motor function of the body is called the…

Q: out of 1 Identify the correct sequence of numbers from the diagram above that response: receptor…

A: A reflex, often known as a simple reflex arc, is a neural network that controls a reflex. In…

Q: Stimulation of D1 Medium Spiny Neurons in the Striatum causes of the Globus Pallidus and subsequent…

A: The basal ganglia are involved in action selection. It is a proven fact that a direct pathway leads…

Q: In the reflex shown above, the sensory receptor is located in

A: Reflexes or simply, reflex action, is referred to as an automatic, rapid, involuntary, specific but…

Q: An action potential travels down the 13. Ахon of the motor neuron until it reaches the presynaptic…

A: An action potential can be defined as a rapid increase and decrease in the membrane potential of the…

Q: From the time an action potential reaches the axon terminal of a motor neuron until cross bridge…

A: Muscle contraction happens when the sarcomeres are shortened, when the thick and thin fibers slip…

Q: The motor end plate is extensively folded to allow for a greater number of what structures? Terminal…

A: Motor end plate -the flattened end of a motor neuron that transmits neural impulses to a muscle.…

Q: If a somatic motor neuron fires an action potential, then ________.     acetylcholinesterase is the…

A: Somatic motor neurons originate in the central nervous system. The somatic motor division sends…

Q: What is a synaptic knob?a. receptor for neurotransmitter in the neuromuscularjunctionb. membrane sac…

A: membrane sac holding the neurotransmitter

Q: Tendon- organ Quadriceps (extensors) + Excitatory synapse - Inhibitory synapse Hamstrings (flexors)…

A: LabellingAfferent sensory fiberInterneurons ( excitatory & inhibitory)Efferent motor fiber

Q: Sunhil suffers from a stroke and loses the ability to move his right arm and hand. However, after…

A: * stroke mainly affects the shoulder,elbow and upper limb and hand. *Stroke will usually affect the…

Q: Increased γ-motor neuron discharge stimulates muscle spindles, because :-a- it produces stretch of…

A: A gamma motor neuron (γ motor neuron) is a type of lower motor neuron, which takes part in the…

Q: In the autonomic nervous system, the lower motor neurons directly innervate effector organs.…

A: The correct statement is:The lower motor neurons directly innervate effector organs.

Q: TRUE OR FALSE   Depolarization of the rod cell membrane causes increased neurotransmitter release.

A: Rod cells release more of their neurotransmitter when they are depolarized. This happens because…

Q: The is the part of the brain that controls voluntary movements, while the helps regulate activities…

A: The brain has three main parts: Cerebrum. Cerebellum. Brain stem or medulla oblongata.  Cerebrum-…

Q: 33. Acetylcholine (Ach) is the neurotransmitter at the neuro-muscular junction. The motor neuron…

A: Motor neurons unharness neurotransmitter (ACh), a small molecule neurochemical, that diffuses across…

Q: Demyelination of a ventral root would be most likely to produce which of the following?…

A: Myelin, a type of fatty tissue that surrounds and protects nerves throughout the body, is lost…

Q: If you step on a sharp object with your right foot O your right leg extensor muscle will contract O…

A: The human body has an important type of nervous system called the autonomic nervous system that is…

Q: During the patellar reflex, you measure voltage change in the flexor muscle motor neuron cell body…

A: The L2, L3, and L4 spinal cord segments are tested by the patellar reflex, also known as the knee…

Q: Which statement about cat locomotion is true? Flexors are not important during the swing phase.…

A: ANSWER) Central Patten generators controls the locomotion by the connections between the motor…

Q: Use choices from the following word bank to fill in the blanks 13 - 22: Calcium ions Myosin Action…

A: A muscle is a smooth tissue in animals. On the basis of structure, contractile properties, and…

Q: Provide the best explanation why the patellar reflex is considered a monosynaptic reflex. O The…

A: A reflex is described as an involuntary movement of the muscle in response to sudden stimuli. Deep…

Q: The motor end plate is extensively folded to allow for a greater number of what structures? Terminal…

A: The neuromuscular junction is also called as the myoneural junction, is a site where the chemical…

Q: Which statement is false? O The muscle spindle forms a monosynaptic connection with the alpha motor…

A: A muscle spindle consists of various different  muscle fibers (intrafusal fibers) that are…

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 event listed above is the point at which myasthenia gravis interrupts the process? Explain…

A: Myasthenia gravis is defined as a chronic autoimmune neuromuscular disorder that can cause weakness…

Q: The greater the influx of calcium into the presynaptic axon terminal, the greater the O magnitude of…

A: An action potential in the presynaptic cell produces an influx of Ca2+which promotes the exocytosis…

Q: Central delay of reflex actions :-a- is due to presence of inhibitory interneurons in the reflex…

A: Reflex actions are involuntary and instantaneous movements in response to the stimulus. They are…

Q: When the γ-motor neuron discharge to a muscle decreases, it causes :-a- increased muscle spindle…

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

Q: sarcolemma Ex 201 ion channel Nas myosin cross bridge Nat acetylcholine axon axon sarcolemma ion…

A: Ans. The neuromuscular junction (NMJ), a synaptic connection, is created when the terminal ends of a…

Q: The neurotransmitter released by the presynaptic membrane (axon knob) for skeletal muscle…

A: Neurotransmitters are the chemical messengers which are secreted by the axon terminals for…

Q: The corticospinal pathway is involved in: Activating skeletal muscle Activating smooth muscle…

A: The corticospinal pathway is the motor pathway that transmits efferent (motor) information from the…

Q: A patient arrives at the Emergency Department with an injury across the posterior shoulder just…

A: One of the three spaces in the axillary space is the quadrangular space, often referred to as the…

Q: Ventricular Nucleus descend onto spinal motoneurons to control them. ney form a tract within the…

A: A motor neuron (or motoneuron or efferent neuron) is a neuron whose cell body is situated in the…

Q: Which of the following statements is false? O damage to the primary motor cortex results in loss of…

A: The cerebral cortex is a sheet of neural tissue that forms the outermost layer of the mammalian…

Q: Choose the type of information that the soft organ smooth muscle first order neuron are sending to…

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

Q: What is the cause of the fused/complete tetanus (4) in the figure below? * Average tension…

A: ANSWER;- At higher stimulus frequencies, there is no relaxation at all between stimuli. Explain;-…

Q: In muscles, acetylcholine is released by the _________________________and opens specific channels…

A: Answer : Motor  neuron , Sodium Ion

Q: A half-second stimulation in the motor cortex produces what kind of result?A. Isolated muscle…

A: Introduction: The soft tissue present in almost all mammals is the muscles. The muscle cells…

Q: Which of these is true of ventral rami? O The ventral rami form nerve plexuses. O The ventral rami…

A: The nervous system is the body's primary governing, regulating, and communicative mechanism. The…

Q: Neuromuscular Junction: -Activation of nicotinic ACh receptors in the motor end plate results in…

A: The junction between a motor neuron and a muscle fiber by which the nerve can communicate with…