Answer:
B) Reduce selection bias in subject allocation to treatment
Explanation:
Typically, researching the entire population is economically and technically unfeasible. For this, there are statistical approaches that aim to analyze the population through a random sample that will represent the population in a statistically coherent way.
The method is to extract a subset of individuals from a population so that all individuals are equally likely to be chosen. This will avoid selection bias, a problem that can be caused when the sample is chosen.
For example, imagine the US election polls. Some states are historically Republican and others Democratic. If a poll is made by choosing voters only in the state of California, the result is likely to be a huge advantage for Democrats, a clear selection bias. However, we know that this is not the reality. An electoral poll must be done randomly between states to form a faithful representation of reality.
Except for physical education classes in elementary and high school, Jayleen has been sedentary all her life. Motivated by her mother's recent diagnosis of high blood pressure, Jayleen, now a junior in college, wants to improve her physical fitness. Her first step should be to be active to lower the risk of high blood pressure.
Hi !
Her first step should be to get her primary healthcare provider's clearance for exercise.
To improve cardiovascular health and reduce risk of high blood pressure, regular exercise is crucial. It makes the heart more efficient, lowers cholesterol levels by removing LDLs from circulation, and reduces blood pressure.
Explanation:Given that Jayleen has been sedentary most of her life and her family has a history of high blood pressure, it is sensible that she wants to improve her physical health and lower her risk of cardiovascular diseases. Regular exercise plays an essential role in cardiovascular health. It can make the heart muscle stronger and more efficient, lower cholesterol levels, and reduce blood pressure.
Exercise is associated with an increase in the size of the athlete's heart compared to a non-athlete, which allows for a higher stroke volume. This means that an athlete's heart can circulate the same volume of blood as a non-athlete's heart but with a lower heart rate. The benefit of this is that it reduces the fatigue rate of the muscles and decreases stress on the heart.
Furthermore, exercise helps reduce the overall cholesterol level in the body. It does this by removing low-density lipoproteins (LDLs), a complex form of cholesterol, triglycerides, and proteins from the blood circulation. LDLs are associated with an increased risk of cardiovascular disease. While exercise cannot remove plaque deposits from artery walls, it can decelerate the rate of formation of these plaques and lower blood pressure which indirectly reduces the pressure on the heart.
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Why is dehydration bad?
Answer:
The underlying causes of dehydration are not enough water, too much water, or a combination of both. ... Too much water is excreted by the body leading to dehydration. Vomiting-leads to fluid loss and makes drinking water hard to substitute.
Folate is required for DNA synthesis and cell division, metabolism of amino acids and for synthesis of normal red blood cells. What is the best source of folate in the diet? 1) Chicken and fish 2) Cooked potatoes 3) Ready-to-eat fortified cereals
Answer:
3) Ready-to-eat fortified cereals
Explanation:
Folate is a vitamin B complex, soluble in water and present in several items of the daily diet. Folate occurs naturally in food and folic acid is the synthetic form of folate used in medicines.
Folate is necessary for numerous body functions. Among them: DNA synthesis and repair, cell division and growth, production of new proteins, formation of red blood cells. Folate is important for cardiovascular and nervous system health. In addition, folate plays an important role in the health of the skin, nails and hair, fights acne and dermatitis, leaves the skin with a healthy glow, controls oiliness, increases immunity, among other benefits.
A good source of folate is ready-to-eat cereals.
2 pts Jeremy can accurately process and store new information, but when he is tested on what he has learned he becomes so anxious that he can't easily recall the new information. Jeremy most clearly demonstrates difficulty with:
Answer:
The correct answer is: retrieval
Explanation:
In the given scenario, Jeremy most clearly demonstrates difficulty with retrieval. In the study of memory, retrieval refers to the process by which memories or information processed and stored in our memory cannot be easily accessed or brought to our conscious awareness when we try to recall it.
In this case, Jeremy's energy and mental focus and is predominantly focused on test anxiety. Due to this, even though Jeremy can accurately process and store new information, his test anxiety interferes with retrieval of this information, thus affecting his memory and consequently, his test performance.
You answer a call to a restaurant where you find an unresponsive 50-year-old woman laying on the floor. She appears cyanotic and you do not detect chest rise and fall. There are no signs of traumatic injury. What should you do first?
Answer:
check pulse
Explanation:
Check for her pulse to make sure she's still breathing, I think.
Where is the safest place to be during an earthquake
Answer:
the Safest place to be during an earthquake is a near a doorway, unless the door is like glass, but yeah, a doorway because it has more support on the building or under a table so that any falling debris hit the table and not you
Vitamin c is best known for its role in preventing scurvy. It also is critical in the formation and maintenance of this protein found in all connective tissues in our body.
Answer:
The answer is Collagen.
Which is a short-term effect of tar on the body?
A. tooth decay
B. drooling
C. increased blood pressure
D. brown stains on teeth
The correct answer would be option D, Brown stains on teeth.
Short term effect of tar on the body is the brown stains on teeth.
Explanation:
When tobacco burns, it creates a sticky brown substance. This sticky brown substance is called the tar.
When smokers consume things that contain tar in it, then the short term effect of tar on the body is the stickiness of that brown substance, tar, on the teeth.
Tooth Decay, Increased Blood Pressures and Drooling may be the long term effects of consuming tobacco. Tar is produced by the burning of tobacco which damages the mouth by rotting and blackening of teeth, desensitizing the taste buds and damaging the gums.
Due to excessive consumption of tar, the lungs of the user are damaged in the long run.
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Answer:
brown stains on teeth
Explanation:
A 58-year-old man with obesity and a 1-year history of classic GERD symptoms has been on a therapeutic dose if a PPI for the past 6 months. He states he is “really no better with the medicine and I have cut out most of the food that bothers my stomach. I even cut out all alcohol and soda.” Physical examination reveals stable weight, mildly erythematous pharynx, and epigastric tenderness without rebound. Next step options include:
Hi !
Next step options include:
- gastroscopy
Giving out all of my points, before I delete my account.
What is drinking bad? What are some health consequences?
Answer:
Bad liver, wife takes the kids
When you eat pizza, the body will respond to the sodium you ingest by: a. controlling water movement tightly to prevent any fluctuations in body weight. b. turning off the thirst signal to reduce additional intake of fluids. c. signaling the kidneys to immediately begin removing fluid from the body. d. shifting water back into the bloodstream to reduce the sodium concentration. e. first signaling immediate thirst to offset the sodium intake.
Answer:
When you eat pizza, the body will respond to the sodium you ingest by shifting water back into the bloodstream to reduce the sodium concentration- d.
Professor Anderson studies memory in people who have had strokes. Professor Schmidt studies people who claim to have clear memories of events that happened over three decades ago. Such research on the extremes of memory:
Answer: Helps us to know how memory works
Explanation:
Anderson studies effect of stroke on memory and he studied this by conducting a experiment on people who has strokes.
During his whole experiment he tested the memory of people who had stokes in his early life.
They claimed that they have clear memories of the events which took place decades ago, this research helps us to know how memory works in the people who has stokes a time ago.
Psychological research conducted by Professors Anderson and Schmidt focuses on memory performance and its variability due to neurological conditions and misinformation. Episodic memory is particularly affected in Alzheimer's, while misinformation can lead to false recollections. The study of amnesiac patients reveals the impact of brain damage on memory.
The research on the extremes of memory conducted by Professor Anderson and Professor Schmidt relates to psychological studies on memory variability and its association with neurological conditions, aging, and misinformation. Studies have found that there's considerable variability in memory performance, often related to 'brain reserve' or the brain's structure, as well as individual differences in coping strategies and lifestyle factors such as education and physical or mental activity. Episodic memory, the recall of events, is typically what is referred to when discussing memory. It is notable that this kind of memory declines in conditions like Alzheimer's disease while other types, like semantic memory, are preserved in the early stages.
Additionally, research demonstrates that memories can be altered by misinformation, leading to inaccurate recollections of witnessed events. This is exemplified by cases where people remember details that are incorrect or large objects like a barn that were not present at all. Finally, the study of individuals with amnesia, often as a result of brain damage like strokes, has contributed to understanding how memory loss affects individuals, with retrograde amnesia affecting the ability to recall events that occurred prior to the trauma.
1. The DASH diet stands for Dietary Approaches to Stop Hypertension. The DASH diet is an eating plan that helps lower blood pressure in a number of ways, primarily by limiting sodium to no more than 2,300 mg per day. This one-day DASH diet provides how many mg sodium?
Answer: 2200 mg per day
Explanation:
The DASH diet consists of the foods rich in meat, fish, whole grains, sugar sweetened food and beverages which is designed to be taken in a way that it controls the problem of hypertension.
It is recommended by the United States Department of Agriculture which proposes a diet which is planned only for the people who is suffering from hypertension, the level of sodium in the diet can help control hypertension.
In DASH diet low level of sodium is taken to control hypertension. It allows the intake of only 2200 mg per day sodium in the diet.
The DASH (Dietary Approaches to Stop Hypertension) diet is designed to provide a maximum of 2,300 mg sodium in one day. This diet helps manage high blood pressure, primarily through limiting sodium intake.
Explanation:The DASH diet is designed to help control hypertension, primarily through limiting daily sodium intake. As per the DASH dietary plan, the sodium limit is set at a maximum of 2,300 mg per day. This means the one-day DASH diet, as indicated in your question, provides no more than 2,300 mg of sodium.
It is essential to note that one factor contributing to hypertension is excessive sodium intake. Sodium increases osmotic pressure and leads to an increased blood volume, increasing the pressure on vessel walls. Hence, the DASH diet, with its restricted sodium content, helps in managing blood pressure levels.
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Anthony, a 42-year-old male, just finished a two-hour hike and notes that his heart rate is at 92 beats per minute. In which exercise intensity category does his recent exercise register?
Anthony's %MHR falls into the "heart health zone."
What is the Heart Health Zone?The wholesome heart rate region is 50 percent to 60 percent of your maximum heart rate. that is an easy and at ease sector to workout in. it's considered to be the lower cease of the mild-depth zone.
What heart rate area is best for coronary heart fitness?77% to 95% of MHR is the quarter to intention for while training for patience. It spurs your body to improve your circulatory gadget with the aid of building new blood vessels and will increase your heart and lung capacity. Aiming for 20 to 60 mins in this zone is thought to provide exceptional health training blessings.
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Which of these could be a good reason to end a dating relationship? A.Your partner wants to do things with friends B.Your partner practices active listening with you C. Your partner exhibits controlling behaviors D.Your partner apoligizes when there is a disagrement
Answer:
umm honestly its a relationship so if he wants to do things with his friends go with him his freinds are your friends also
Explanation:
Your partner exhibits controlling behaviors could be good reason to end a dating relationship.
So, option C is correct option.
What are the signs to end a relationship?According to experts, there are following signs to over the relationship.
Someone seems more attractive.Trust is no more longer between partners The physical intimacy is not attractive anymoreIt become very hard to agree.There is no emotional connectionlearn about dating relationship,
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How is soluble fiber in the diet thought to help lower blood cholesterol level?
Answer:
One of the most important benefits to consuming soluble fiber is that it has been proven to decrease cholesterol, which helps prevent heart disease.
Explanation:
Soluble fiber in the diet helps lower blood cholesterol level by binding to cholesterol in the small intestine, preventing its absorption, and facilitating its expulsion from the body. Fiber-rich foods also contribute to overall health by promoting regular bowel movements, regulating blood glucose consumption, and providing a sense of fullness.
Explanation:In the context of diet and health, soluble fiber plays a crucial role in helping to lower blood cholesterol level. This is based on the way soluble fiber, found in certain types of carbohydrates, interacts with cholesterol in the digestive system. Fiber binds to the cholesterol in the small intestine, thus preventing its absorption and ensuring its expulsion from the body via feces.
In human metabolism, carbohydrates serve as an immediate source of energy, with glucose breaking down during the cellular respiration process to produce ATP, the cell's "energy currency." However, some dietary carbohydrates also contain valuable soluble and insoluble fiber. Among their many benefits, these fibers promote regular bowel movements, regulate blood glucose consumption rates, and help to remove excess cholesterol.
Fiber-rich foods, such as whole grains and vegetables, also contribute to a feeling of fullness, which can help with calorie control. In fact, a gram of carbohydrate provides 4.3 Kcal, a much more favorable ratio compared to fats, which provide 9 Kcal/g. Ultimately, while it is critical to maintain a balanced diet - supplemented with proteins, vitamins, and fats - it is clear that fiber-rich carbohydrates have numerous health benefits, including helping to lower blood cholesterol levels.
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A benign tumor differs from a malignant tumor. How does it differ?
A 14-year-old boy has been brought to the emergency department by his mother in excruciating pain that is radiating from his scrotum to his inguinal area. The boy’s heart rate is 122 beats per minute and he has vomited twice before arrival at the hospital. Examination reveals that his scrotum is reddened and slightly swollen and the testes are firm to touch and tender, with extensive cremaster muscle contraction noted. What is the boy’s most likely diagnosis?
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The boy most likely has testicular torsion.
A client brings a cat to the practice for evaluation of a 2-day history of blood-tinged diarrhea. The veterinarian makes a diagnosis and recommends treatment, but the client cites an article on the Internet, and the client now believes this cat has a rare disorder. The client refuses to comply with the treatment recommendation, although the veterinarian is certain of the diagnosis, common to this breed of cat, and the best treatment for it. What is the most appropriate course of action for the veterinary team?
Why is aggression a negative quality to bring to a sport?
It can lead to strong competitive mindsets from the fans and players, which intensifies the emotional side of sports- it’s kinda like patriotism. Being proud of where you come from and the team that represents that place, and when that is disrespected by another person from another place, it then sets an aggressive mood leading to mire negative and intense competitive spirit
Aggression is a negative quality to bring to a sport because this behavior leads to unnecessary fights or drama that can even kill or damaged the players to a larger extent.
What is aggression?Aggression may be defined as an unprovoked seizure or detrimental activity against one another.
Sports are played for the association of two nations with proper rules and regulations where aggression discolor the whole representation.
Therefore, it is well described above.
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Which of the following statements is NOT true concerning strategies for limiting caloric intake? Eat only two or three large meals a day, instead of eating five or six smaller ones Limit salt intake to that which occurs naturally in foods and try substituting dry herbs and spices as alternatives to flavor the food Eat at least one citrus fruit daily and select fresh whole fruits or those canned or frozen in their own juices Use whole-grain breads, cereals, brown rice, oatmeal, beans, bran products, and starchy vegetables for dietary fiber
Hi !
Which of the following statements is NOT true concerning strategies for limiting caloric intake?
Eat only two or three large meals a day, instead of eating five or six smaller ones
Situation Arnold is 56 years old and considers himself to be in good health. He has a family history of heart disease, stroke, and diabetes. He recently had a routine physical exam. He was told that his blood pressure was 130/85, his total cholesterol was 210 (LDL was 175 and HDL was 35), and his glucose levels were normal. Arnold was also informed that his weight of 190 pounds made him about 10 pounds overweight. Arnold's physician expressed some concern about the results of the exam. What finding is most likely the key cause of her concern?
Answer: Arnold's risk for coronary heart disease.
Arnold should worry due to the fact that one of the causes of coronary heart disease is the formation of plaque which is made up of deposits of cholesterol and other substances in the artery. Considering his blood pressure was 130/85, his total cholesterol was 210 (LDL was 175 and HDL was 35), it should raise some concern.
A Calorie is A.) the amount of fat in food. B.)the amount of protein in food. C.)the amount of energy in food. D.)the amount of carbohydrates in food.
Answer:
C.)the amount of energy in food.
Explanation:
A Calorie is the amount of energy in food.
The number of calories in food is a measure of how much potential energy that food possesses.
What is the difference between Dementia and Alzheimer’s?
Hi !
Dementia :
A person with dementia has a hard time with at least two of the following:
impaired memory and thinking.
Communication and speech
Focus and concentration
Reasoning and judgment
Visual perception
Alzheimer’s :
It’s a progressive condition, which means it gets worse over time, and it usually affects people over 65 years old. There’s currently no cure.
Symptoms :
- difficult to carry on a conversation
- perform everyday tasks
- Confusion, aggression, and mood changes are other common symptoms.
Dementia is a broader term for cognitive impairments, while Alzheimer's disease is a specific form of dementia with distinct causes and characteristics.
Dementia is a general term encompassing various cognitive impairments that impact a person's daily life. It can be caused by various conditions, including Alzheimer's disease. Alzheimer's disease, on the other hand, is a specific, progressive, and irreversible neurodegenerative disorder. It is the most common cause of dementia, characterized by the accumulation of beta-amyloid plaques and tau tangles in the brain, leading to the death of brain cells and cognitive decline.
While dementia has multiple potential causes, some of which are reversible, Alzheimer's disease has a distinct pathology and is typically a permanent and degenerative condition for which there is no cure, though interventions can help manage its symptoms.
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Which of the following statements is TRUE? Multiple Choice Double-ended needles are used with syringes. Higher needle gauges correspond to larger needle bore size. Needles should be recapped prior to disposal.
Final answer:
The true statement is that higher needle gauges correspond to smaller, not larger, needle bore sizes. Double-ended needles are typically not used with syringes in clinical settings and recapping needles before disposal is against CDC guidelines and poses a safety risk.
Explanation:
The statement that is TRUE among the options provided relates to needle gauge size. Specifically, higher needle gauges correspond to smaller, not larger, needle bore sizes. In the context of syringes, double-ended needles are not typically used with syringes in clinical settings. These are more common in laboratory settings, for example, in filling chromatography columns. Lastly, regarding needle safety, the statement that needles should be recapped prior to disposal is incorrect and poses a safety risk. The Centers for Disease Control and Prevention (CDC) recommends the practice of not recapping needles before disposal to prevent needlestick injuries. Used needles should be immediately disposed of in a proper sharps container.
It is crucial for healthcare providers and those working in medical environments to understand these facts to ensure proper and safe use of syringes and needles, and to follow best practices for needle disposal to minimize the risk of injury and infection transmission.
What causes displacement of lumbar intervertebral disc without myelopathy?
Answer:
Condition involving displacement of lumbar intervertebral disc causing impingement of the contents of nucleus pulposus on surrounding neuronal structures.
Explanation:
Displacement may cause pain in localized lumbar structures, and may cause development of neurologic symptoms in areas supplied by affected nerve root(s).
A nursing instructor asks a nursing student to describe Montgomery's tubercles of the breast. Which response by the student indicates successful learning regarding Montgomery's tubercles?
Answer:
Montgomery's tubercles are skin that visible, of the sebaceous glands that are located in the areola.
Explanation:
Montgomery glands or sebaceous glands are present in the areola of the breast, areola surrounds the nipple. It is the pigmented skin that darkens the skin around the nipple. During pregnancy or milk production these glands swell up or enlarge. The Montgomery glands are not swells normally and the only characterization of pregnancy or breastfeeding.
When these glands are the swells up the skin of these glands are visible and known as Montgomery's tubercles
Thus, the correct answer is Montgomery's tubercles are skin that visible, of the sebaceous glands that are located in the areola.
What mental illness causes delusions?
Answer: psychotic disorder
Explanation:
Which antioxidant plays an important role in cell differentiation
Answer:
blood presxure
Explanation:
Researchers conducted a study to determine the effects of stress on the immune system by measuring immune system chemicals. To accomplish this goal, they compared college students who were undergoing a stressful series of exams to a group of similar students relaxing during a time of no classes and no exams. Results of this study indicate_____________.A. The relaxed group showed no change over the course of the studyB. The exam group tested lower for immune system chemicalsC. The exam group tested higher for immune system chemicalsD. The relaxed group tested lower for immune system chemicals
Answer: B. The exam group tested lower for immune system chemicals.
Explanation:
The stress can have a negative influence over the immune system of a person. Typically the stress hormone cortisteroid can be responsible for suppressing the functioning of the immune system for example this hormone can lower the number of lymphocytes hence, defense mechanism of the body will slow down.
According to the given study, the effect of stress on the immune system is to be analyzed by measuring the amount of immune system chemicals. Among the two groups of college students, the group which was undergoing with exams is expected to secrete lower amount of immune system chemicals due to increase in stress during exams will suppress the functioning of immune system resulting in low secretion. But relaxed group will remain unaffected.
The study found that college students undergoing stress from exams tested lower for immune system chemicals.
Explanation:The results of the study indicate that stress can have an impact on the immune system. The researchers found that college students undergoing a stressful series of exams tested lower for immune system chemicals compared to a group of similar students who were relaxing during a time of no classes and no exams.
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