9. Which of the following statements about the regeneration of nerve fibers is incorrect?  a. PNS nerve fibers cannot be regenerated b. CNS nerve fibers cannot be regenerated c. Schwann cells secrete growth inhibiting factors to stop axon regeneration d. Oligodendrocytes secrete growth promoting factors to spur axon regeneration e. none of the above

Q: Which of the following is a part of the PNS? a. microglia b. spinal cord c. brain d. neurolemmocyte

A: Peripheral nervous system is the main part of the nervous system which consists of nerves and…

Q: Metoprolol blocks beta receptors of the sympathetic nervous system. Which word describes this type…

A: Metoprolol The metoprolol is one of a beta blockers or a selective beta 1 receptor blocker…

Q: thoracal part of the spinal cord was carried out. The irritation of skin receptors of back extrimity…

A: A reflex arc is a pathway that processes a sensory nerve impulse to produce a reflex response. The…

Q: If a patient is given a drug that inhibits acetylcholinesterase (AChE), you would expect to…

A: Acetylcholinesterase (AChE) is an enzyme that plays a crucial role in the nervous system. It is…

Q: Many nonsalicylic, nonsteroidal anti- inflammatory drugs (NSAIDS) inhibit pain transmission by the…

A: Different cells play different roles in our body .some helps in identifying the microbe while some…

Q: Which of the following central nervous system cellsregulate ions, regulate the uptake and/or…

A: The nervous system refers to the network of nerve cells and fibers that conducts nerve impulses…

Q: Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of…

A: Neurilemma is also known as sheath of Schwann is the outermost nucleated cytoplasmic layer of…

Q: 3.[Single Choice]A 24-year-old male patient was diagnosed as "radial head fracture caused by cutting…

A: Immobility: It is a modified state of mobility characterized by restricted movement due to loss of…

Q: Schwann cells are a type of glial cell found in the nervous system. In addition to the conduction of…

A: Schwann cells are the major glial cells found in the peripheral nervous system (PNS). They provide…

Q: Which of the following neurotransmitters have both an excitatory and inhibitory effect?  a. GABA…

A: The chemical messengers of the body are generally referred to as neurotransmitters. They are the…

Q: Which structure transmits impulses towards the nerve cell body? Select one: O a. Dendrite b. Axon…

A: The nervous system controls the activity of what takes place inside and outside the body. The way…

Q: Damage to the axons in the spinal cord is typically permanent and debilitating. One promising avenue…

A: Neuroglial cells are nonexcitatory supporting cells that are present in both central(CNS) and…

Q: 3. Which structure sends impulses to the body of the nerve cell? Choose one: a. Dendrite b. Axon c.…

A: The nervous system controls the activity of what takes place inside and outside the body. The way…

Q: F2

A: Neurons, the basic functional unit of the brain(CNS), composed of a cell body(with a nucleus),…

Q: A site of communication between neurons is called a _________ 2. Where is the cerebral spinal fluid…

A: Neurons are also known as fundamental unit of brain and nervous system. The main function is to…

Q: 10. The sense of pain travels to the brain through this type of nerve: a. motor b. efferent c.…

A: The stimulus for any external or internal change is received via specific receptors that are present…

Q: A person with Brown Sequard at C6 would have the following problems…. a. Ipsilateral loss of pain…

A: A condition that permanently or temporarily affects the physical functions, mobility, dexterity, or…

Q: Which structure transmits impulses towards the nerve cell body? Select one: O a. Dendrite O b. Axon…

A: The nervous system controls the activity of what takes place inside and outside the body. The way…

Q: 9. All of the followings are incorrect about the Graded Potential, except A. It spreads…

A: We know that Graded potential refers to the receptor potential that occurs due to an external…

Q: The CNS is made of the: A. Sensory and motor neurons B. Brain and spinal cord C. Spinal nerves D.…

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: 28. The hypothesized causes of ALS or Lou Gehrig’s disease is linked to a. glutamate excitotoxicity…

A: ALS or Lou Gehrig’s disease:- is a neurodegenerative disorder characterized by progressive loss of…

Q: 1. What kind of cell performs the major function of the nervous system?

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: . A lesion with a bright signal on a DWI means that a. astrocytes and microglia are [proliferating…

A: DWI refers to diffusion-weighted magnetic resonance imaging it uses the specific MRI sequences as…

Q: Synaptic nerves belong to the: A. Voluntary nerves B. Optic nerves C. Dorsal root ganglion D.…

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: Velocity of action potential is slower in myelinated than in unmyelinated.

A: A. Velocity of the action potential is slower in myelinated sheath than in ummyelinated.

Q: Normally, during resting wakefulness (i.e., not moving) axons from a. ventral lateral nucleus…

A: During resting wakefulness axons from ventral lateral nucleus inhibits motor areas of cerebral…

Q: Nuclei within the _______ contain the cell bodies of the neurons responsible for sending…

A: Nervous system is the network of nerve cells and fibers which transmits nerve impulses between whole…

Q: Which structure transmits impulses towards the nerve cell body? Select one: a. Dendrite b. Axon C.…

A:

Q: QUESTIONS 1. Draw and label a neuron (label dendrite, axon, nucleus, cell body, Schwann cell, Node…

A: Dendrites, the cell body, sometimes known as the "soma," the axon, and the axon terminal are the…

Q: 2. The the brain for interpretation. a. Thalamus b. Hypothalamus c. Pituitary d. Medulla Oblongata…

A: The sensory nervous system's main job is to send information to the brain's central nervous system…

Q: 3. The boy lost his balance while skating and hit his leg hard. He felt severe pain and gradually…

A: Nervous system is responsible for relaying information about the changes in the internal and…

Q: The walls of blood vessels in the brain are formed by cells that are very tightly packed. This…

A: C- The walls of the vessels in the brain are tightly packed or has a tightly junction which allow…

Q: The short period of time when the nerve is not responsive to stimuli it’s termed the: A.…

A: Nerve has just two period Resting period and Refractory period.  Resting period is the time when no…

Q: 20. Which of the following neurotransmitter(s) have been functionally linked to Alzheimer’s disease?…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

Q: Carpal tunnel syndrome is a modern medical problem created by repetitive tasks such as keyboarding…

A: The carpal tunnel is a narrow, rigid passageway made up of bones and ligaments that sits at the base…

Q: Acetylcholinesterase is...? 1. found in synaptic vesicles 2. produced by lamina in cleft 3. acts…

A: The neurotransmitters are specific chemical molecules that are released by the axon terminal of…

Q: 1. Alzheimer’s cause is still unknown. What are some of the possible causes. a. Is there a genetic…

A: Alzheimer's disease is a progressive neurological disorder that primarily affects memory and…

Q: In a myelinated axon on the nerve impulse travels from A. Schwann cells to nodes B. Node to node C.…

A: Axon is a part of the neuron, which is a structural and functional unit of the nervous system. Axon…