Answer:
What are Schwann cells
Explanation:
Primarily, glial cells provide support for the neurons. Think of them as a secretarial pool for your nervous system, plus the janitorial and maintenance staff. They may not do the big jobs, but without them, those big jobs would never get done.
Your central nervous system (CNS) is made up of your brain and the nerves of your spinal column.
Five types that are present in your CNS are:1
Astrocytes
Oligodendrocytes
Microglia
Ependymal cells
Radial glia
You also have glial cells in your peripheral nervous system (PNS), which comprises the nerves in your extremities, away from the spine. Two types of glial cells there are:
Schwann cells
Satellite cells
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The glial cells known as Schwann cells create the myelin coating on axons that leave the brain, hence option A is correct.
What is a type of glia?The most prevalent form of glial cells in the peripheral nervous system is Schwann cells (SCs). Outside the central nervous system, ganglia are collections of nerve cell bodies.
These structures contain groups of nerve cell bodies whose axons extend to various regions of the organ. Myelinating and non myelinating cells are the two main groups of SCs in the adult nervous system.
However, the presence of astrocytes significantly affects the degree of play crucial roles in the growth, upkeep, operation, and regeneration of peripheral nerves.
Therefore, Schwann cell contact with CNS axons by redefining the CNS-PNS (peripheral nervous system) border in a lesioned CNS and inhibiting Schwann cell invasion, hence option A is correct.
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within skeletal muscle cells, what extends from one z disc to the next and constitutes one contractile unit?
Answer:
What is a Sarcomere
Explanation:
A sarcomere is the basic structural and functional unit of skeletal muscle because it is the smallest portion of skeletal muscle capable of contracting. Each sarcomere extends from one Z disk to an adjacent Z disk.
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What symptoms does Peter smith have and why is it important for you to recognize them
Answer:
Peter Smith have it
Explanation:
spermatogenesis and oogenesis are the only processes in the body where
Answer:
meiosis takes place
Explanation:
hyper-igm syndrome is a rare genetic disease caused by a loss-of-function mutation in the gene that codes for the cd40l protein. what are the two most likely direct effects of cd40l deficiency?
Can you maybe show us a picture?
what two types of defects does a cancerous cell possess?
Answer:
Cancerous cells possess defects that make proteins required for cell growth active, and tumor suppressor genes inactive.
Explanation:
at what bac level is an individual considered intoxicated if they are over the age of 21?
Answer:
The BAC is calculated from the concentration of alcohol in the breath. In most states, the legally-defined level of alcohol intoxication is a BAC of 0.08%.
what is the muscular layer of the heart wall called
Answer:
The muscle layer of the heart is termed the myocardium and is made up of cardiomyocytes. The myocardium is found in the walls of all four chambers of the heart, though it is thicker in the ventricles and thinner in the atria
Explanation:
what is the relationship of the arms to the body’s core?
you demonstrate high-quality cpr by keeping interruptions in cpr to less than _____ seconds.
You demonstrate high-quality CPR by keeping interruptions in CPR to less than TEN (10) seconds.
Cardiopulmonary resuscitation (CPR) is a fundamental medical technique used during emergency situations.This technique (cardiopulmonary resuscitation ) can save a life when it is applied properly.High-quality cardiopulmonary resuscitation includes a chest compression fraction higher than 80% of the compression rate of 100-120/min.In conclusion, you demonstrate high-quality CPR by keeping interruptions in CPR to less than TEN (10) seconds.
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which weight-loss drug increases the release of norepinephrine?
once you shout for help, what are the next steps for providing hands-only cpr?
Answer:
Place the heel of one hand on the center of the chest. Place the heel of the other hand on top of the first hand, then lace your fingers together.
Explanation:
18. In the United States, which type of medicine is generally perceived as the best resource for medical help?
A. Western medicine
B. alternative medicine
C. Eastern medicine
D. mainstream medicine
Answer:
What is A. Western medicine
Explanation:
“Western Medicine”. Also known as “allopathic”, “conventional”, or “traditional” medicine, this is the most common form of health care in the United States and the western world. Western Medicine excels in the areas of testing and diagnostics.
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Answer:
“Western Medicine”. Also known as “allopathic”, “conventional”, or “traditional” medicine, this is the most common form of health care in the United States and the western world. Western Medicine excels in the areas of testing and diagnostics.
Explanation:
what are the four organs of the integumentary system
Answer:
The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands.
Explanation:
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Select all of the following that are part of the Central Nervous System
Cerebellum
Sciatic Nerve
Cerebrum
Parietal Lobe
Brachial Plexus
Pons
Motor Cortex
mad cow disease serves as an example of how interdependent ________ and ________ are to protein.
Answer:
What is Structure; Function
Explanation:
Mad cow disease serves as an example of how interdependent structure and function are to protein.
what female reproductive system body part carries the egg cell to the uterus?
personal experience.
Pain assessment is complex because pain is both a sensory and an __personal experience
A.)objective
B.) neurological
C.) emotional
D.) interpretive
Answer:
emotional
Explanation:
which of the following outcomes is not the result of the sympathetic division's activity?
Answer:
there are no options...
which term refers to distention of the renal calyces and pelvis?
if the body is cut coronally which cavities would be anterior to the cut? which cavities would be posterior to the cut?
Answer:
A coronal or frontal plane divides the body into dorsal and ventral (back and front, or posterior and anterior) portions.
Explanation:
signals from the _________ sense do not pass through the thalamus but go more directly to the limbic system
The signals from our sense of smell do not pass through the thalamus and instead go more directly to the limbic system.
The thalamus is a small structure located just above the brain stem with the function of relaying motor and sensory signals. The thalamus works in conjunction with the cerebral cortex, to whom it relays said signals, which explains its location in between the cerebral cortex and the midbrain. It is able to carry out these functions due to a network of nerves that connects it to its neighboring structures.
The limbic system is a group of neural structures that serve to:
Process and regulate emotionsForm and store memoriesControl sexual urgesParticipate in the process of learningThe signals from our sense of smell do not pass through the thalamus. They instead travel down their corresponding sensory nerve, the first cranial nerve known as the olfactory nerve, and go more directly to the limbic system.
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in the kidney, tubular reabsorption refers to the movement of fluid and solutes where?
Answer:
In the kidney, tubular reabsorption refers to the movement of fluid and solutes from the: tubular fluid into the blood.
Explanation:
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what occurs when the muscles in the wall of the bladder contract involuntarily?
Answer:
Urinary bladder spasms occur when the bladder contracts involuntarily, which can cause a person to urinate. These spasms can be painful, and they may be embarrassing if they lead to an extreme urge to urinate or leakage of urine
Explanation:
what physical properties could be used to separate iron filings from table salt
Answer:
you could use either magnets or dissolve the salt, really just depends if you wanna keep the salt which I would suggest not doing
an individual has homeowners insurance that covers up to $400,000, a personal auto insurance that covers up to $100,000 and an umbrella policy that covers up to $1,000,0000. an accident occurred in the person’s front yard in which a child was trying to catch a baseball and wanted to avoid the car and was hit in the face with the ball. the child was concussed and had a broken jaw from the ball and his medical expenses added up to $500,000. what is covered from insurance?
The $500,000 from medical expenses should be completely covered, $400,000 should be covered by the homeowners insurance and the remaining $100,000 should be covered by the umbrella policy.
Insurance covers expenses related to specific accidents or situations. In the case of homeowners insurance this covers:
Damages to your house or propertyMedical expenses if an accident occurs on your propertyOn the other hand, car insurance covers:
Damages to your carMedical expenses due to car accidentsFinally, the umbrella policy will cover the expenses if these exceed the limit of other insurances.
This means, in the case of an accident with a kid that was trying to avoid the car:
The homeowner's insurance should cover most of the expenses. This is $400,000 as this accident is related to an accident that occurred on the property, not a car accident.The umbrella policy should cover the remaining expenses or $100,000.Learn more: https://brainly.com/question/989296
what is the tube that carries urine out of the body?
Answer:
Urethra
Explanation:
This tube allows urine to pass out of the body. The brain signals the bladder muscles to contract and expel urine. At the same time, the brain signals the sphincter muscles to relax and allow urine to flow out of the bladder through the urethra.
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14. A child in a poor country has not had sufficient protein in her diet for an extended period of time. What classic sign of this
form of malnutrition will she most likely exhibit?
A. constant thirst
B. extremely thin appearance
C. distended abdomen
D. sunken eyes
Answer:
A:
Explanation:
Having less protein makes you want to have more liquids to the fact that protein has healthy and unhealthy fats in it.
the greatest number of pathogens enter the body through which system below? select one: a. respiratory system b. gastrointestinal system c. urinary system d. genital system
Answer:
d. genital system
Explanation:
The respiratory system is the system by which enters the greatest number of pathogens into the body.
What is the respiratory system?The respiratory system is a system by which the body can make gas exchanges with the surrounding environment.
This system (respiratory system) is in constant interaction with the environment to interchange CO2 and Oxygen.
In conclusion, the respiratory system is the system by which enters the greatest number of pathogens into the body.
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how does the advancement of medical technology increase the number of medical ethical issues that arise?
Answer: here is the link to read ab it! its very helpful https://journalofethics.ama-assn.org/article/ethics-age-medical-device-technologies/2007-02
Explanation:
what happens in the uterus that differentiates the fetus into either male or female?
Answer:
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Explanation:
The fetus appears to be sexually indifferent, looking neither like a male or a female. Over the next five weeks, the fetus begins producing hormones that cause its sex organs to grow into either male or female organs. This process is called sexual differentiation.
X- or Y-chromosome sperm have an equal chance of fertilizing an ovum. If Y sperm fuses an ovum, the zygote becomes masculine. When sperm-carrying X combines an ovum, a female zygote develops.
Which body system differentiates a male from a female?The only human organ system that differs significantly between males and females is the reproductive system. Male and female embryonic structures that would eventually form the reproductive system begin similarly, but by birth, the reproductive systems have differentiated.
At fertilization, the embryo's chromosomal sex is determined. Humans need 6 weeks to show the earliest evidence of sex distinction, though.
An ovum has an equal chance of being fertilized by X- or Y-chromosome sperm. The zygote develops into a male when Y sperm combine with an ovum. A female zygote forms when an ovum and sperm-carrying X unite.
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