Sickle-cell disease is a painful disorder of the red blood cells that in the united states affects mostly african americans. to investigate whether the drug hydroxyurea can reduce the pain associated with sickle-cell disease, a study by the nih gave the drug to 150 sickle-cell sufferers and placebo to another 150. neither doctors nor patients were told who received the drug. the number of episodes of pain reported by each subject was recorded. this is an example of a(n):
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
HELP ASAP PLEASE! What is the best way to cool down a stock?
Stocks are best cooled by ______
a.) placing in the sink with ice, or placing a large plastic Popsicle inside to cool quickly
b.) covering and letting it sit until cooler
c.) placing in a sealed container after cooling to 140 degrees
Adding a stock to a dish _____
a.) making a dish more filling
b.) adds color to a dish
c.) enhances the flavor of a dish
The last step in social learning is reinforcement for performing a behavior. True or False
One of the earliest schools of thought in psychology was...
During a memory test, diamond listens as a list of numbers is read to her. when the list is done she has to repeat the numbers from memory. each time she correctly recalls all of the numbers, another number is added to the list. if diamond has an average capacity of short-term storage, she should remember about __________ (plus or minus 2) numbers before she starts making errors.
What are five body functions that monitor homeostasis?
It regulates temperature, glucose, toxins, blood pressure, and pH.
Temperaturejack, Steve, Daniel, and Mark are friends. On the basis of their diets and physical activity levels, who is most likely to become a type-2 diabetic later in life?
Which of these healthcare workers would be the best resource for a sound nutrition plan?
PLEASE HELP WITH THE RIGHT ANSWER What is the difference between broiling and braising?
Broiling uses both dry and moist heat methods of cooking, while braising is mostly a dry heat cooking method.
Broiling is used to cook tough cuts of meat, while braising is used to cook tender meats.
Broiling is a moist heat cooking method, while braising is a dry heat cooking method.
Broiling is a dry heat cooking method, while braising is mostly a moist heat cooking method.
Beyond the age of 80, the organ most associated with cancerous death is which of the following?
Kidney
Bone
Colon
Lung
which condition requires expert medical help
Expert medical help is essential for individuals with serious medical conditions, those struggling with alcoholism, or facing complicated self-care due to a serious illness. Symptoms that are urgent or confusing warrant immediate medical attention. While being informed about health is beneficial, relying on professional medical advice is often necessary.
including suffering from certain medical conditions, those recovering from alcoholism, or anyone unable to control the amount they drink. Furthermore, individuals with a medical condition that might put themselves or others at risk, such as high blood pressure or diabetes, also necessitate professional medical assistance. The decision to seek help can be complicated as doctors often face urgent situations, and patients need to apply what they know about their symptoms to decide when to seek care.When someone exhibits signs or symptoms such as those mentioned, including difficulty with complicated self-care, diagnosis of a serious illness, or if they are at immediate risk, they should contact emergency services by calling 9-1-1. It is important for individuals to be somewhat informed about their health, which can help in discussing treatment options with healthcare providers. However, in most cases, reliance on the advice of medical experts is crucial, as self-diagnosis can be dangerous.
Which of these is an appropriate treatment for a deep, bleeding wound?
Rita gave birth to a baby. She does not wish for another baby soon. Which medicine will the doctor prescribe?
The doctor prescribed _______to Rita to prevent conception.
Rita gave birth to a baby. She does not wish for another baby soon. Which medicine will the doctor prescribe?
The doctor prescribed "Birth control" to Rita to prevent conception.
Which of the following contraceptives has a failure rate of 28 percent?
a. tubal ligation
b. spermicide
c. male condom
d. oral contraceptives
The esophagus, a tube that carries food to the stomach, is constantly being scraped as food travels through it. Why does the esophagus not deteriorate through a person’s lifetime? Cells can anabolize the food prior to entering the esophagus. Cells are constantly dividing and replacing old or damaged cells. Cells promote a fluid to build up along the esophagus to reduce friction. Cells build a type of protein called enzymes that act as an armor.
Answer:
Cells are constantly dividing and replacing old or damaged cells.
Explanation:
Although our bodies are highly coordinated and work accurately, the esophagus is constantly "scratched" by the food we eat. This degeneration of the esophagus needs to be fixed constantly and this is the role of epithelial cells.
Esophageal epithelial cells are responsible for the constitution of esophageal mucosa tissue. In their normal state, these cells grow and divide into new cells, which are formed as they are needed to replace defective cells. This process is called cell regeneration.
Which organisms are extremely small and use hosts as both home and food supply
How could u best promote growing food in your community?
A. Start a community garden.
B. Start a supermarket chain.
C. Give a speech at a town hall meeting.
D. Move to a large farm.
Final answer:
The best way to promote growing food in the community is to start a community garden, which offers educational opportunities, encourages healthy eating habits, fosters community engagement, and supports a sustainable local food system. So the correct option is A.
Explanation:
The best method to promote growing food in your community is A. Start a community garden. This initiative provides an avenue for residents to share knowledge and their personal experiences, which not only enhances food security but also fosters community engagement and education. By starting a community garden, you can contribute to a sustainable food system that benefits the environment and local economy, as well as encourages healthier eating habits.
Community gardens serve as a practical educational platform, especially for children, to learn about healthy eating, the origins of their food, and sustainable agriculture. As they participate in planting, cultivating, and harvesting, they gain first-hand experience and appreciation for eco-friendly practices. Furthermore, this hands-on involvement tends to increase the likelihood that they will eat healthy produce, such as vegetables, that they might otherwise avoid.
As Michael Pollan suggests, the act of growing and sharing meals transforms eating from a mere necessity to a cultural ritual that reinforces community and family bonds. Creating opportunities for food production within the community, like a garden, enhances social inclusion and allows for cross-cultural exchanges, particularly with immigrant and refugee populations who can introduce diverse crops and foods, increasing cultural awareness and unity.
Overall, community gardens are not just about producing food; they are about building a healthier, more connected, and resilient community. They can help mitigate economic disparities and encourage a greener vision for the future, where food is grown sustainably and where everyone has a chance to participate and benefit from the harvest.
A weak core generally results in all of the following except lower back pain.
while Simone is making a beurre Blanc sauce, it becomes oily and begins to separete. simone's sauce MOST likely A. has gotten to hot. B. needs more cream. C. needs to be stirred. D. has gotten too cold.
Over the years, workplace discrimination has become ________.
a.
More subtle
b.
Less subtle
c.
More common
d.
Virtually extinct
Over the years, the workplace discrimination has become more subtle. Workplace or employment discrimination is illegal. Thus, the correct option is A.
What is discrimination?
Discrimination is the unfairness or prejudicial treatment of people and the groups of people based upon the characteristics such as race, color, gender, age, or sexual orientation.
The most common examples of discrimination which are seen in the workplace are retaliation, disability, race, sex and age. Employment discrimination at the workplace may be illegal, but is still very common.
The subtle discrimination at the workplace is very stressful because of its higher frequency. Because of the targets which may be confronted with these slights on a daily, even hourly, basis, the negative effects of the subtle discrimination may build and accumulate at a rapid pace in the world.
Therefore, the correct option is A.
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Habib has been telling sarah that he has been worrying about their communication. throughout this process, sarah asks him questions so she can clearly understand what he's saying. sarah is demonstrating
Which storage method may cause TCS food to become unsafe?
which of the following is icluded in employee benefits packages? A. estates b. retirement c. federal plans d. personal e. bankruptcy plans
A drug abuser can help break the addiction cycle by responding to a craving with a healthy habit. This can improve left for the person and for his or her family.
True
False
URGENT WILL GIVE 20 POINTS Stir-frying is an Asian cooking technique. Choose the correct words or phrase to complete the sentences that explain which western cooking method it resembles and how the styles compare with each other.
Stir-frying resembles the western cooking method of (sauteing, broiling, pan-frying) . The similarity between the two cooking techniques is the motion used to cook the food items . However, in stir-frying, the food items must be (infrequently, frequently, constantly) tossed around.
NextReset
Answer:stir-fry ING resembles the western cooking method of sautéing.
However, in stir-fry ING, the food items must be frequently tossed around.
Explanation:
Sautéing and stir-frying are very similar since sautéing requires just little oil and relatively high heat with ingredients in a shallow frying pan being tossed around frequently.
According to piaget's theory of cognitive development, the ability to utilize logical thought to assess abstract social problems and situations is attained during the _____ stage.
what age groups are care for by primary care physicians?
Primary care physicians care for individuals across all age groups, from children to older adults. They provide comprehensive health services including preventive care and management of chronic conditions. Specialized care is particularly important for older adults due to their frequent healthcare needs.
Primary care physicians provide healthcare services to a wide range of age groups. They care for everyone from pediatric patients (children) to older adults (seniors). This involves addressing various health needs, conducting general health checks, and providing preventive care and management for chronic conditions. Typically, a primary care team might include professionals such as family physicians, nurse practitioners, and pharmacists who work together to deliver comprehensive healthcare.
For example, according to a study by Sarkisian et al. (2001), there's a significant focus on expectations regarding aging and healthcare needs for older adults. Moreover, it is noted that older adults tend to visit healthcare providers more frequently, which underscores the importance of having specialized care for this group.
Therefore, primary care physicians cater to all age groups, ensuring that each patient's unique healthcare needs are met comprehensively.
Imagine that a you and a friend are exercising together at a gym. Your friend suddenly trips and falls, and it is clear that he or she has suffered an injury. Luckily you know exactly what has happened. Explain what injury your friend has just suffered and, assuming you had the necessary supplies, including a first aid kit and a phone, explain what steps could you take to stabilize your friend's injury. << Read Less
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 165 kj/mol. calculate the longest wavelength of light visible to the human eye. (avogadro's number is 6.022 x 1023 units/mole)
The longest wavelength of light visible to the human eye can be calculated using the energy required to change the conformation of the molecule 11-cis-retinal. This energy corresponds to light with a wavelength of approximately 722 nm, within the range of visible electromagnetic radiation.
Explanation:To determine the longest wavelength of light necessary to stimulate this change in 11-cis-retinal molecules, we use the Planck-Einstein relation, which states that the energy of a photon is the product of Planck's constant (h ≈ 6.626 × 10^-34 J·s) and the frequency of the light, or alternatively that energy is inversely proportional to the wavelength.
So, E = hc/λ. Where E is the energy in joules, h is the Planck's constant, c is the speed of light, and λ is the wavelength. To convert the energy from kJ/mol to J/photon, we divide by Avogadro's number and multiply by 1000. This gives us E ≈ 2.74 × 10^-19 J/photon. We can then rearrange the equation to solve for λ, giving λ = hc/E. Plugging in values, we find that λ ≈ 722 nm.
Thus, the longest wavelength of light visible to the human eye, based on the energy needed to change the conformation of 11-cis-retinal, is approximately 722 nm.
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Important factors in determining the credibility of a health product manufacturer include __________.
Answer: D. clinical trials, doctor's recommendation, and quality control
Explanation: