Answer:
e. A, B, C
Explanation:
An action potential is a short event during which the membrane potential of an excitable cell increases and then falls rapidly. Membrane potentials correspond to potential differences across the membrane of excitable cells.
The absolute refractory period (P-RA) during which any stimulation is ignored, regardless of its intensity corresponds to the activation of fast sodium channels (quick response fibers) or calcium-sodium channels (slow response fibers). It begins in phase 0 of the action potential and ends in the repolarization phase (phase 3 for a fast fiber) when the membrane potential is sufficiently electronegative to restore the reactivation of these channels. It corresponds on the ECG to the interval between the onset of QRS and the top of the T wave.
The relative refractory period (P-RR) during which the cell is hypoexcitable. It corresponds to the start of the reactivation of the ion channels. Reactivation is incomplete and the action potential that results from stimulation during this period has unusual properties that expose conduction problems (block in phase 3) and may cause cells to desynchronize. Thus, an extra-stimulus which falls on the relative refractory period (R / T phenomenon) could cause ventricular tachycardia or ventricular fibrillation.
Thus; the absolute refractory period of an action potential prevents summation of action potentials, allows a neuron to ignore a second signal sent that closely follows the first and ensures one-way travel down an axon .
does anyone know these?
Answer:
Question 1: A- bend at the waust when lifting something heavy
Question 2: Your co-worker does not ask the patient to state her name and date of birth to verify before beginning a procedure.
confusion and nausea but no pain what drug
Answer:Depressants
Explanation:
Would anyone be able to help me with this?? I just cannot get it right, n i need to get this done soon!! Please don't answer if you do not know... If the answer you give is correct, you will get a brainliest, a thanks, and five stars... PLEASE PLEASE HELP!!!
Answer:
explains, talks, helps, includes
Explanation: Go in order of the first word after Eli, a registered nurse! I hope this helps!
Adolescents should get how much physical activity a day?
A. 30 minutes
B. 60 minutes
C. 90 minutes
D. 120 minutes
Will give brainliest
Answer:
I think my answer for this question is D
What are the long-term effects of exercise on the musculoskeletal system?
(Select all that apply.)
a. decreased capillary density in muscles
b. increased bone density
c. decreased number of mitochondria in muscle cells
d. increased rate of bone remodeling
Answer:
b, d
Explanation:
The long-term effects of exercise on the musculoskeletal system are as follows:
Increased bone density.Increased rate of bone remodeling.What is the musculoskeletal system?The musculoskeletal system may be characterized as the system in the body that is significantly composed of muscle cells and tissues that brings about the movement of an organ or body part with respect to its functions.
The five major functions of the muscular system may definitely include movement, support, protection, heat generation, and blood circulation. There are various long-term effects of exercise are gradually observed on the musculoskeletal system. It includes an increase in bone density, rate of bone remodeling, muscular endurance, etc.
Therefore, the correct options for this question are B and D.
To learn more about the Musculoskeletal system, refer to the link:
https://brainly.com/question/1283837
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Alicia is thinking of getting her tongue pierced. Which health risk should she keep in mind?
Answer:
i mean like having a pierced tongue its rly scary and we can not say its not healthy but its still not good
Explanation:
Answer:
Skin cancer
Explanation:
Edge 2020
T and B cells plan a calculated attack to rid the body of bacteria during which response? A. Specific B. Nonspecific
how can we develop and maintain mental health and well being?
Answer:
1.spend time with friends, loved ones and people you Trust.2. reduce alchohal consumption.
3.avoid Illcit Drugs use.
4. keep Active and eat well.
5.new skills and challenge your capabilities.
Why are social norms important ?
Answer: Norms provide order in society. ... Human beings need norms to guide and direct their behavior, to provide order and predictability in social relationships and to make sense of and understanding of each other's actions. These are some of the reasons why most people, most of the time, conform to social norms.
Explanation:
By agreeing that all family members will meet at the city pool, the family emergency plan addressed which possibility
Answer:
Evacuation and quick relocation
Explanation:
List any four causes of smoking
Answer:
peer pressure, stress relief, rebeling againt parents (mostly in teens), coping woth PTSD
Explanation:
Which is one of the characteristics of bullying?
O tolerance
O compassion
O repetition
respect
The characteristics of bullying among the options is repetition (option C).
What is bullying?Bullying is the act of intimidating a person to do something, especially such repeated coercion.
Bullying is so common nowadays in schools, corporate organizations etc. Many believe that this only occurs among children but that has proven not to be the case.
Bullying, according to the American Psychological association, is a form of aggressive behavior in which someone intentionally and repeatedly causes another person injury or discomfort.
Based on the definition, it can be observed that a peculiar characteristics of bullying is repetition as bullies never seem to quit.
Learn more about bullying at: https://brainly.com/question/10566405
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In 2015, a study was conducted about using wearable devices. The researchers found that:
79 percent of the people in the study would be willing to use one to manage their health.
45 percent of the people in the study would be willing to use one to track symptoms.
43 percent of the people in the study would be willing to use one to manage a specific health issue.
Which is the most likely result if the people in the study used wearable devices?
a. more accurate prescription dosing
b. less symptom management
c. more visits to doctors and specialists
d. less management of chronic conditions
Answer:
A.
Explanation:
because my answer is accurat
Answer: A
more accurate prescription dosing
Explanation:
Have a good day.
What effect do narcotics have on the body?
Answer:
Narcotic pain relievers work by binding to receptors in the brain, which blocks the sensation of pain.
Explanation:
Answer: Effects depend heavily on the
dose, how it’s taken, and previous exposure to the
drug. Negative effects include:
• Slowed physical activity, constriction of the pupils,
flushing of the face and neck, constipation, nausea,
vomiting, and slowed breathing
Explanation:
The body converts carbohydrates into
A. fats.
B. acids.
C. calories.
D. glucose.
Answer:
D
Explanation:
So what is glucose, exactly? It’s the simplest of the carbohydrates. Carbohydrates are broken down into simple sugars during digestion and are transported all throughout the body through the circulatory system.
What are your solutions to improve the health of younger people and reverse this trend? Write at least one paragraph
Metabolic syndrome is a group of risk factors that includes high cholesterol, high blood pressure, high blood sugar levels, and abdominal obesity. These risk factors are often caused by poor diet and lack of exercise. Traditionally, these risk factors affect only adults and not younger populations. However, current studies show that adolescents and teenagers are developing metabolic syndrome.
Explanation:
It is a fact that adolescents and teenagers are facing metabolic syndrome nowadays. Since they are all using social media the most, the truth about this type of syndrom could be spread more on the internet and especially Instagram so everyone can see it. In that way, the young population will see how many problems it can cause and they will be a little careful about that stuff.
It is good also if someone also shows them what is the minimum that everyone can do in due to help themselves and then if they are interested and motivated, they can discover how it would be if they look for themselves like they should, with their maximum.
Answer:
) Exercise more!!
2) Eat healthier!! (Yes, enjoy those donuts but not excessively!)
3) Stay hydrated!!
Explanation:
Which domain do viruses belong to?
Which of the following is MOST likely to have a four-year degree? A. A telecommunications line worker B. A day care provider C. A set designer D. A graphic designer
i wanna know if any of u guys know what anorexia is.
do not look it up i want ur honest answers.
What would you do if your going through a hard time
Answer:
if i'm going through a hard time u should talk to someone u trust about the problem if u don't have anyone then u could always write down everything like a dairy and just hide it in a good space or u could always listen to calming music or just dance out all the issues u going through JUST DON'T THINK ABOUT THE THINGS THAT'S GOING On i hope this helped
Explanation:
An area of skin innervated by a certain spinal or cranial nerve that sends information about sensations of touch, temperature, and pain back to the CNS is known as:
A.
Plexus
B.
Afferent nerves
C.
Dermatomes
D.
Phrenic nerve
Answer:
D
Explanation:
Which is a physical benefit of practicing abstinence?
eliminates risk of pregnancy
O less use of illegal substances
more opportunities for emotional relationships
O greater likelihood of graduating from high school
Answer:
eliminates risk of pregnancy
Please write me a three-paragraph paper with proper grammar and spelling on what you’ve learned about break dance. You are also encouraged to do your own research as well.
Answer:
I think you can do this one on your own...
the floor of the chest cavity is??
Answer:
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.May 16, 2019
Elroy was diagnosed with Lennox-Gastaut syndrome when he was 2 years old. Lennox-Gastaut syndrome is a severe form of generalized epilepsy that results in the frequent seizures. It is also associated with intellectual disabilities and developmental delays, likely due to the repeated neuronal insult from the seizures. After trying a number of different medications, the doctors have failed to find one that is able to control Elroy's seizures. Therefore, his doctor recommends that Elroy start on a ketogenic diet to severely limit the amount of carbohydrates in the diet. While this diet is thought to be fairly successful, it is important to calibrate carbohydrate intake precisely to avoid serious side effects. Therefore, Elroy and his parents are working closely with a dietician to ensure that he meets his minimum carbohydrate requirements for glucose-requiring tissues, while still limiting carbohydrates enough to prevent seizures, and simultaneously meeting the regular energy requirements for the rest of his body. When Elroy first starts this diet, his glucose levels decrease. What process increases in order to provide energy for glucose-requiring tissues?
Answer:
The process that increases to provide energy for glucose requiring tissues is Ketogenesis.
Explanation:
To provide energy for glucose-requiring tissues Elroy's body increases ketogenesis. It is a process that takes place in the liber, where fatty acids are catabolized (break into small components) to produce ketone bodies. Ketone bodies are an alternative source of energy for the body when this one has low levels of glucose, like in this case.
arrange the jumbled letters to form the terms used in baseball.
DOUTUG
Answer: Dugout
Explanation:
In baseball, the dugout refers to the two low shelters, one for the home team and another one for the visiting team, where each team's bench is, and where players and coaches are during a match, with the team´s equipment. From the dugout, the manager can deliver his strategy through hand signals with the first and third base coaches.
Explain why tetracycline would not help a person diagnosed with viral meningitis
Answer:
Tetracycline is an antibiotic that does not work on viruses.
Explanation:
Antimicrobials are compounds capable of disrupting microorganism growth for viruses, bacteria, and fungi.
Antibiotics are naturally-derived or man-made synthetic compounds that inhibit bacterial growth, these halt protein synthesis within the bacterial cell. Tetracycline specifically affects bacterial metabolism by targeting tRNA molecules, carrying RNA macromolecules to 30s ribosome sites for further synthesis.
Meningitis is a form of inflammation of the meninges, the fluid, and membrane surrounding the spinal cord and brain. These result from several types of infections and may be caused by a range of microorganisms. Viral meningitis is sometimes treated with antiviral medicine.
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Answer:
ok i will make question and mark u brainlist
Explanation:
Answer:
okay
Explanation:
A 50-year-old G3P3 woman comes to the office reporting heavy periods, spotting between menses, fatigue and weakness. Over the past six months, she has noticed a significant increase in the amount of her menstrual bleeding, currently requiring a box of 30 pads for each month. She has noticed an increase in the amount of blood clots and cramping pain during menses. Her previous history is significant for hypertension for 10 years, controlled with hydrochlorothiazide and a postpartum bilateral tubal ligation 20 years ago. She has no history of abnormal Pap tests and no sexually transmitted infections. Blood pressure is 138/84; pulse, 82; respirations, 20; weight, 220 pounds; height, 5 feet, 8 inches. On pelvic exam, uterus is approximately 10-week size. She is non- tender on bimanual exam and no adnexal masses are appreciated. A Pap test one month ago was normal, hematocrit is 29 and she is asymptomatic. What is the next best step in the management of this patient?
Answer:
Endometrial biopsy
Explanation:
Based on the information given about the 50 years old woman the next best step in the management of the woman is for her to undergo ENDOMETRIAL BIOPSY procedure reason been that with ENDOMETRIAL BIOPSY procedure the medical practitioner will take out a sample tissue of the lining of the woman uterus which is also known as endometrium so that the medical practitioner can evaluate the tissue and to check for cause of problems in the woman uterus which will help the medical practitioner to easily form the diagnosis or to diagnosed the cause of the woman bleeding problem.
Therefore the next best step in the management of this patient is to carried out ENDOMETRIAL BIOPSY procedure on her.
12.The leukocytes involved in innate immunity are of two
general types, each with a different action against pathogens:
Name them
Answer:
The leukocytes of innate immunity can be, according to their functions, leukocytes with phagocytic activity and natural killer leukocytes or NK.
Explanation:
Innate immunity is a natural and non-specific immune response of an organism, which implies an immediate response but does not extend over time. The innate cellular response includes phagocytes and natural killer cells or NK.
- Phagocytes or leukocytes with phagocytic function can identify and eliminate foreign agents generally, without discriminating between the type of agent. Macrophages, dendritic cells and neutrophils belong to this cell group.
- NK cells are able to eliminate cells in the body infected by microorganisms, as these cells are not recognized as their own due to changes in their cellular markers. Tumoral and virus-infected cells can be eliminated by NK. Basophils, eosinophils and mast cells belong to this group of NK cells.