Myelin sheath Study guides, Revision notes & Summaries

Multiple Sclerosis (MS) Correct Answer-_________________________________ -An immune mediated, progressive demyelinating disease of the CNS. MS Correct Answer-clinical manifestations of this vary and have different patterns. frequently, the disease is relapsing and remitting; has exacerbations and recurrences of s/s; including: fatigue, weakness, numbness, difficulty in coordination, loss of balance, pain and visual disturbances ataxia Correct Answer-abnormal gait is also called _______...

David Myers’ new partnership with coauthor C. Nathan De Wall matches two dedicated educators and scholars, each passionate about teaching psychological science through writing and interactive media These and other innovations rest on the same foundations that have always distinguished a new David Myers edition—exhaustive updating (hundreds of new citations), captivating writing, and the merging of rigorous science with a broad human perspective that engages both the mind and heart. Test b...

1 BATE'S CH. 17 NEURO HEALTH ASSESSMENT QUESTIONS AND ANSWERS, RATED A+ Name Four regions of the brain Cerebrum diencephalon Brainstem Cerebellum CN Name 4 subdivisions/lobes of cerebral hemisphere Frontal Parietal Temporal Occipital Neuron consists of... Cell body & axons Gray matter consists of Cell bodies White matter consists of Axons w/myelin sheath (gives it white color) Myelin sheath fxn Creates white color and makes impulses to travel faster Additional clusters of ...

T/F: Cardiac muscle contraction is considered to be voluntary movement. - Answer-False It moves involuntarily. T/F: In the gastrointestinal tract, smooth muscle is the major muscle type. - Answer-True T/F: In our body, approximately 8 liters of intestinal juices are secreted into the GI tract daily, but only 100 ml of water is secreted into the feces. - Answer-True T/F: Normal movement of blood flow in the heart is: left atrium-left ventricle-lung-right atrium-right ventricle. - Answer...

Describe how your body responds to an infection. - ANSWER T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - ANSWER Mutations in genes or chromosomal abnormalities How does development disrupts congenital abnormalities? - ANSWER Alterations of DNA Describes factors that disrupt homeostasis and how disruptions affect wellbeing. - ANSWER (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias....

Final Exam: NSG120/ NSG 120 (New 2024/ 2025 Update) Pathophysiology Complete Guide with Questions and Verified Answers| All Units Covered| 100% Correct| A Grade– Herzing Guillain-Barre syndrome - autoimmune disorder that causes destruction of the myelin sheath of neurons of the PERIPHERAL NERVES - often follows a viral infection or immunization - also known as: post-infection polyneuritis, acute idiopathic polyneuropathy, acute infectious polyradiculoneuritis QUESTION G...

R.M.A. Exam Practice Questions with 100% Correct Answers | Verified | Latest Update body activities such as breathing, circulation , and heartbeat are regulated by the - CORRECT ANSWER autonomic nervous system which gas is brought into the body , and which is elimated by the respiratory system, - CORRECT ANSWER Oxygen , carbon dioxide the muscular tissue of the heart is called the - CORRECT ANSWER Myocardium blood enters the right atrium of the heart from the - CORRECT ANSWER Vena ca...

1. What structure is part of the CNS: Brain Somatic nervous system Peripheral nerve pathways Cranial Nerves: Brain 2. Which of the following is an insulating substance for the neuron? Schwann Sheath Myelin Neurilemma Node of Ranvier: Myelin 3. Which neurons transmit impulses from neuron to neuron? Unipolar Sensory Motor Interneurons: Interneurons 4. Which term describes successive, rapid impulses received from a single neuron on the same synapse? Temporal summation Spatial summatio...

Science Olympiad Anatomy and Physiology Latest Update graded A+ Dendrite Receive stimulus and carries it impulses toward the cell body. Cell Body with nucleus Fiber which carries impulses away from cell body schwann cell cells which produce myelain or fat layer in the PNS Myelin Sheath Lipid layer around the axon; which insulates the axon Node Ranvier Gaps or nodes in the myelin sheath impulse -self propagating -mechanism, potassium and sodium pump synapse -junction betwee...

BIO 242 A Final Exam Questions and Answers Already Passed What defines the threshold of a neuron? a. The time between neurotransmitter binding and action potential firing. b. The voltage causing sodium ion inflow and reversal of resting potential. c. The total sodium ions entering before inactivation gates close. d. The neurotransmitter amount needed to trigger an action potential. e. The voltage across the resting cell membrane. c. The total number of sodium ions that enters the ce...