The nodes of Ranvier are a term used to describe each space between internodes in the myelin sheath. Positive sodium ions are prevalent in the nodes of Ranvier. The electrical signal or impulse bounces between nodes as it moves through the axon.
Each nerve cell has a coating (sleeve) called a myelin sheath (neurons). The primary "body" portion of a neuron, known as the axon, is covered in a protective covering of lipids and proteins. The myelin sheath has three purposes. Like the plastic insulation covering that encases the wires of an electrical cord, its fatty-protein coating acts as a protective insulator for your nerve cell. It enables rapid and effective electrical impulse transmission from one nerve cell to the next. It continues to be strong.
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Olds and Milner located reward centers in the brain structure known as the
A. hypothalamus.
B. cerebellum.
C. medulla.
D. amygdala.
Olds and Milner located reward centers in the brain structure known as the The answer is A. hypothalamus
Olds and Milner's work on reward centers in the brain was seminal in the field of neuroscience, and they found that electrical stimulation of certain areas in the brain could lead to pleasurable sensations. hypothalamus as they discovered that stimulation of certain regions in the hypothalamus produced pleasurable effects in animals, leading to the identification of the hypothalamus as a key reward center in the brain. This research laid the groundwork for further studies into the neural circuits and mechanisms underlying reward and motivation.
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a healthy weight can be achieved by increasing focus on the importance of energy balance. determine whether each label is a component of "the energy input" or "the energy output" side of the energy balance equation. drag the label to its appropriate classification.
- Walking with friend
- Digesting a meal
- Drinking a glass of wine
- Shivering in response to cold
- Eating a grilled chicken salad
ENERGY INPUT- Drinking a glass of wine, eating a grilled chicken salad
ENERGY OUTPUT- Digesting a meal, walking with friends, shivering in response to cold
The energy input side of the energy balance equation is the energy that a person takes in from food and beverages. The energy output side is the energy that a person expends through physical activity, digestion, shivering, and other metabolic processes. Walking with a friend and shivering in response to cold are both examples of energy output, as they involve the body expending energy. Digesting a meal is also an example of energy output, as the body breaks down the food and uses it for energy. On the other hand, drinking a glass of wine and eating a grilled chicken salad are examples of energy input, as they involve the body taking in energy from food and beverages.
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What gives you the same effect as nicotine?
Answer: Chantix (Varenicline) binds to the nicotine receptors in your brain. It blocks the receptors, so smoking a cigarette won't be as satisfying. It also triggers some of the same reward effects of nicotine.
Explanation:
i hope this helps goodluck
Karen wanted to start a childcare center. She had graduated from the local
community college with a two-year degree in Early Childhood Education. She
decided to keep costs down by staffing the center with volunteers from her church
and some students at the community college. Would she meet NAEYC standards?
Since no formal education is required for early childhood education, she would
meet standards with a staff of volunteers.
It is impossible to meet NAEYC standards with a staff of volunteers.
She probably would not meet standards unless the volunteers had appropriate
educational qualifications and commitment.
As long as the students were sanctioned by the community college, she would
meet NAEYC standards.
It's possible that Karen's childcare center may not meet the National Association for the Education of Young Children (NAEYC) standards, depending on the qualifications and training of the volunteers and students who will be working with the children.
How did we reach this assertion?While no formal education is required for early childhood education, NAEYC standards do require early childhood educators to have certain training and qualifications to ensure the highest quality of care for children.
Additionally, the volunteers and students must have appropriate background checks, meet specific health and safety requirements, and be trained in child development, child observation, and positive interaction techniques. In order to ensure that the center meets NAEYC standards, Karen may need to provide training and support to her staff and make sure that all staff members are fully qualified and equipped to provide high-quality care for the children.
Overall, Karen will need to assess the qualifications and experience of her staff members and ensure that they are properly trained and equipped to provide the best possible care for the children. This may require additional resources and investment, but it is important to prioritize the health and safety of the children in her care.
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what are the gaps in the myelin sheath on an axon known as? A. Axon B. Dendrite C. Myelin D. Node of Ranvier E. Synapse F. Schwann cells G. Microglia
The length of the myelin sheath along the axon is approximately 1 mm in the PNS. Between her two adjacent segments of myelin there is a ~1 μm long gap called the node of Ranvier.
Ranvier nodes are gaps between the myelin insulators of Schwann cells that insulate axons from neurons. Ranvier nodes are 1–2 micron gaps between glial cells in the myelin sheath. These glial cells, called Schwann cells, help electrically insulate neurons. Along the axons, there are gaps between Schwann cells and myelin sheaths called node of Ranvier. Here electrical impulses are formed more quickly and the signal jumps through the myelin sheath from node to node.
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Bridger was hit by a drowsy driver on his way home from work and was rushed to the hospital. He is a victim of ________.
Choose matching definition
1 sudden infant death syndrome (sids)
2 unintentional poisoning
3 leading cause of death in teens
4 unintentional injury
Which of these are considered characteristics of gangs? Select the three correct answers.
a. A particular type of motorcycle
b. Territory
c. Recurrent interactions among gang members
d. Involvement in criminal and violent behavior
B C D
The answer A whould be very subjective
does heart rate increase or decrease with decreased bp
The heart rate often rises as a compensatory strategy to maintain enough blood flow and perfusion to important organs when blood pressure (BP) drops.
What is Blood Pressure?Blood pressure is a measurement of the pressure blood exerts on blood vessel walls as it circulates through the body. Systolic and diastolic figures, both in millimeters of mercury, are used to express it.
There are numerous variables that can influence the complicated link between blood pressure and heart rate.
To maintain homeostasis, the body's autonomic nervous system, which controls blood pressure and heart rate, reacts to variations in blood pressure.
It is significant to remember that there are other factors, like age, drugs, and underlying medical disorders, that can also affect the link between blood pressure and heart rate.
As a result, it is always essential to get specific advice from a medical practitioner regarding changes in heart rate and blood pressure.
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what is the generic name for krystexxa
The generic name for krystexxa is pegloticase
Krystexxa is a brand name for the medication pegloticase, which is used to treat chronic gout in adults who have not responded to or cannot tolerate other treatments. It works by breaking down uric acid in the body, which can help to reduce the symptoms of gout. It is given as an injection by a healthcare professional.
Pegloticase is also an enzyme that metabolizes uric acid into harmless chemicals that are eliminated from the body in the urine. Pegloticase is usually given after other gout medications have been tried without successful symptom treatment. So, pegloticase, which is used to treat chronic gout in adults who have not responded to or cannot tolerate other treatments.
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what steps can you use to support a peer with a mental health need?
What documentation is required for the Supplemental Nutrition Assistance Program in Louisiana?
The documentation is required for the Supplemental Nutrition Assistance Program in Louisiana are U.S citizenship, must be a qualified lawful resident and proper identification.
The Supplemental Nutrition Assistance Program (SNAP) is known as the Food Stamp Program. It provides financial assistance to eligible New Mexicans with low income and limited resources to purchase food products. Its benefits are simple to use to purchase qualifying food products at participating grocery stores. Documentation is required that apply to any person who may be eligible to receive SNAP benefits. You must be a U.S. Citizen. You must be a qualified lawful resident. You should have proper identification. You should have to list who lives and eats at the household.
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what team has played in four super bowls but never held a lead?
What is the biohazard symbol and label?
The biohazard symbol is used for the purpose of identifying the infectious agents. They are used to represent risk or potential risk that can be caused by an infectious agent.
The symbol is in orange or red-orange color. All bags containing waste that is used to transport or store blood and other infectious material contains this label. Bags or containers which are used to dispose the blood also have a biohazard symbol.
These symbols are very essential as they determine whether the material contains contaminated substances which are hazardous to human well-being. Proper disposal of these materials is curial and very important.
Pathological waste containers also contain biohazard symbols and any equipment that has used on an individual must contain this symbol .
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Which of the following are more likely to raise their children with
an authoritative style?
•
white families
•
Asian-American families
© African-American families
O Hispanic-American families
Answer: White families
Explanation:
When coding the phrase "synovial cyst of the popliteal space of the right knee," the main term to reference in the index is ________ .
a. popliteal
b. knee
c. synovial
d. cyst
When coding the phrase "synovial cyst of the popliteal space of the right knee," the main term to reference in the index is cyst. Therefore, the correct answer is option D.
When coding the phrase "synovial cyst of the popliteal space of the right knee," the main term to reference in the index is "cyst" because it is the primary condition or diagnosis being described. The other terms, such as "popliteal," "knee," and "synovial," are used to further specify the location and type of cyst, but the main term is still "cyst." A cyst is a sac-like pocket of tissue that contains fluid, air, or other substances. It can form anywhere in the body and can vary in size from very small to very large.
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Why would a dish in which beef is served in a mixture over rice be less expensive to make than a recipe in which beef by itself is the main entrée?
A steak is usually served with potatoes, which are an inexpensive ingredient.
The dish with the rice uses less beef, which is the most expensive ingredient.
The cost of the dishes would be the same when sides (such as vegetables) are added.
Customers expect to pay more for a steak, so the restaurant can charge more.
A dish in which beef is served in a mixture over rice is typically less expensive to make than a recipe in which beef by itself is the main entrée for several reasons.
What is mixture ?Mixture is a combination of two or more substances that are combined together, either physically or chemically, resulting in the formation of a new substance. Mixtures can be heterogeneous, containing two or more substances that are not evenly mixed, or homogeneous, meaning all components are mixed together in uniform proportions. Examples of mixtures include air, soil, and salt water. The components of a mixture can be separated using physical processes such as filtration, distillation, or chromatography. A mixture cannot be separated into its components through a chemical reaction, and the components of a mixture can be easily separated from one another.
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If two factors increase or decrease together, they are ______ ______. positively correlated.
A PLUS loan is a loan that
is awarded based on financial need and does not ever need to be repaid
is financed by businesses such as credit unions, banks, or private organizations
is more flexible in eligibility requirements than most other loan options
is offered and provided by the government and that features fixed interest rates
A PLUS loan is a loan that is offered and provided by the government and that features fixed interest rates.
What are fixed interest rates?A fixed interest rate loan is described as a loan where the interest rate do not fluctuate during the fixed rate period of the loan which allows the borrower to accurately predict their future payments.
A Plus loan features fixed interest rates and the eligibility requirements are typically more stringent than those of other federal student loans.
Borrowers of the plus loan must pass a credit check, and the loan will be approved only if they do not have adverse credit history.
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Answer: It's not B or D, so it's either A or C. I believe A describes a grant, so the correct answer is likely C.
avian influenza is a viral disease that occurs naturally among
Answer:
Avian influenza A viruses have been isolated from more than 100 different species of wild birds around the world. These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species.
Explanation:
According to the article, what personality traits tend to be associated with places that have more artists and entertainers?
Answer:
conscientiousness
Which statement is true about handwashing?
you can use hand sanitizer in place of soap
you should dry your hands with a disposable paper towel
rinsing your hands with warm water removes germs
you should scrub your hands together for at least 10 seconds
Answer:
you should scrub your hands together for at least 10 seconds
Answer:
YOU CAN USE HAND SANITIZER IN PLACE OF SOAP
Explanation:
People also ask
Can hand sanitizer be used as soap?
If you don't have access to soap or a sink, you can use hand sanitizers to kill as many germs as possible. Just make sure you choose a sanitizer that has at least a 60-percent alcohol content. Use should also avoid using hand sanitizer if your hands are visibly dirty or greasy.
From a historical perspective, the purpose of physical education/activity/training is for survival. How is this concept of "survival" seen in today’s Physical Education?
From a historical perspective, the purpose of physical education/activity/training is for survival and this concept of "survival" is seen in today’s physical education through performing exercises to make the body fit and healthy.
What is Exercise?This is referred to as a form of physical activity which helps to keep an individual fit and improves the overall well being and examples include running, weight lifting etc.
The concept of "survival" seen in today’s Physical Education because it makes the immunity of our body stronger and also ensures that we stay fit and healthy.
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how does the use of mnemonics improve studying? select all that apply.
Option (b) is correct. The use of mnemonics improve studying with increase information retention.
Mnemonics are regarded as the memory devices that help learners recall larger pieces of information in the form of lists like characteristics, steps, stages, parts, etc. It is an instructional strategy designed to help students improve their memory of important information. This connects new learning to prior knowledge through the use of visual or acoustic cues. The basic types of this rely on the use of key words, rhyming words or acronyms. These are the strategies that can be modified to fit a variety of learning content. It enhances memory of complex words or ideas and promotes better retention of material to be learned.
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The complete question is,
How does the use of mnemonics improve studying? select all that apply.
A. Decrease in the subject's long-term memory
B. Increase information retention
C. Increase in-depth understanding of the topic
D. Increase short term memory of the topic
E. Increase long term of the topic
tadra is an acronym for the state of georgia ______.
TADRA is an acronym for the State of Georgia Teenage and Adult Driver Responsibility Act
An acronym is a word formed from the first letters of a series of words, such as AIDS (Acquired Immunodeficiency Syndrome). In health, acronyms are used to refer to a variety of conditions, treatments, and diseases. For example, COPD (Chronic Obstructive Pulmonary Disease) is a term used to describe a group of lung diseases that cause breathing difficulties. Acronyms are also used to refer to medical tests and procedures, such as MRI (Magnetic Resonance Imaging) and CT (Computed Tomography) scans.Acronyms can help make medical information easier to understand and remember.
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complete question:TADRA is an acronym for the State of Georgia ______.
Choose one answer.
Teens Against Driving Recklessly and Aggressively
Teenage and Adult Driver Responsibility Act
Troubled Adult Driver Rehabilitation Association
None of the above
you are responding to an older woman who slipped and struck her forehead on the bathtub. she is complaining of having trouble ""making her arms work."" which syndrome is this patient exhibiting
It sounds like the older woman patient is exhibiting Central Cord Syndrome.
Central cord syndrome is a type of spinal cord injury that typically occurs in older adults after a fall or trauma to the neck or head. It is characterized by weakness or paralysis in the arms and hands, while the legs may be less affected or unaffected. This is due to damage to the central portion of the spinal cord, which carries motor signals to the arms and hands.
Other symptoms of central cord syndrome may include loss of sensation in the upper extremities, bladder dysfunction, and difficulty with fine motor skills. It is important to seek immediate medical attention for this condition, as early treatment can help to minimize long-term disability. Treatment may include physical therapy, medication, and surgery.
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Which internal and external influences can have an impact on healthcare research use?
Answer:
Internal influences include: desires, likes, dislikes, personal values, and perceptions of social norms. External influences include: community members, family, culture and traditions, friends, technology, and the media.
Explanation:
Internal influences always deal with inner self factors like faith, belief, personal values, sense of perception, etc. while external influences always deal with the community and environment level.
What is healthcare?Healthcare may be defined as a complete set of maintaining and restoring health-related aspects of all sorts of individuals irrespective of caste, creed, color, religion, etc. The motive of this is to enhance the level of immunity among individuals.
According to the context of this question, the values, beliefs, and attitudes of the organization along with perceptions of social norms concerned with internal influences. The members of the family, community, etc. concerned with external influences along with tradition, modern technology, etc.
Therefore, internal and external influences can have major impacts on healthcare research use.
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Your body and brain are counting on you to live long and stay healthy.
Question 3 options:
True
False
In creating a new form or computer view, the designer should be most driven by: A. QIO standards. B. medical staff bylaws. C. needs of the users.
In creating a new form or computer view, the designer should be most driven by:needs of the users are the primary concern in forms design.
This ensures that the form or computer view meets the needs of the user and is easy to use and intuitive. The designer should also consider the flow of data on the page or screen, as this will help create a more efficient layout. Medical staff bylaws are important, but should not take precedence over the user needs when creating a new form or computer view. QIO standards should also be taken into consideration, but should not be the primary driver when designing a new form or computer view.
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complete question:In creating a new form or computer view, the designer should be most driven by
a. medical staff bylaws.
b. needs of the users.
c. QIO standards.
d. flow of data on the page or screen.
What do you think? Does General Adaptation Syndrome belong in modern life? Should we be working to eliminate this stress response from our collective psyche? If we could eliminate it, what would be the likely result?
In the resistance phase of generalized adaptation syndrome, the body attempts to repair itself after the initial stress shock. At this stage, the heart and blood pressure will begin to return to pre-stress levels if the stressful situation has passed and the stress can be overcome.
General Adaptation Syndrome (GAS) is a theory that explains the physiological changes the body undergoes under stress. The syndrome has 3 stages: Warning period, resistance period, exhaustion period. Prolonged stress increases your risk of chronic high blood pressure, stroke, heart disease, and depression as you enter a period of extreme fatigue. They also have a weaker immune system, which increases the risk of infections and cancer.
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The stress hormones epinephrine and norepinephrine released from where? a. Parasympathetic nervous system b. Hippocampus c. Brain stem d. Adrenal glands
The stress hormones epinephrine and norepinephrine released from in the inner part of the adrenal glands.
Norepinephrine is produced in the inner part of the adrenal glands, also called the adrenal medulla. The adrenal medulla also makes adrenaline (also known as epinephrine). Norepinephrine, adrenaline and dopamine belong are part of the catecholamine family.
The adrenal medulla, the inner part of an adrenal gland, controls hormones that initiate the flight or fight response. The main hormones secreted by the adrenal medulla include epinephrine (adrenaline) and norepinephrine (noradrenaline), which have similar functions.
As a hormone, it's released by your adrenal glands, which are hat-shaped glands that sit on top of each kidney. As a neurotransmitter, norepinephrine is made from dopamine. Norepinephrine is made from nerve cells in the brainstem area of your brain and in an area near your spinal cord.
The adrenal medulla secretes catecholamines, hormones that help your body respond to stress. Catecholamines include adrenaline and noradrenaline, also known as epinephrine and norepinephrine. Within moments, your body releases adrenal medulla hormones to boost organ functioning.
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