When and for what reasons are blood or tissue samples tested more than once for hiv?

Answers

Answer 1

HIV is the virus to cause AIDS disease. Repeated HIV testing is important for the sustainability and the continued success of prevention programs. An individual is needed to repeat the test more than 3 months after your possible exposure.

What is HIV?

HIV means human immunodeficiency virus, which usually degrade the human immune system. It can lead to AIDS.

Person may need to repeat the test for more than 3 months after the exposure if the results are negative. A positive result means that HIV antibodies can be found and that one can have HIV.

Thus, it can be concluded that the person should go for repeated test for HIV to ensure the correct results.

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Answer 2

Final answer:

Blood or tissue samples are tested multiple times for HIV to confirm diagnosis, account for the possibility of false positives or negatives, and detect the presence of the virus at different stages of antibody development. ELISA is usually the first test, followed by Western blot or PCR if necessary, with tests like fourth-generation tests and NATs offering early detection options.

Explanation:

Blood and tissue samples are sometimes tested more than once for HIV to ensure the accuracy of the diagnosis. The initial screening for HIV often involves an enzyme-linked immunosorbent assay, or ELISA, which tests for the presence of antibodies against HIV. Because ELISA tests can yield false positives due to cross-reacting antibodies from other viral infections, a confirmatory test such as the Western blot is necessary. A positive Western blot would confirm an HIV infection, while a negative would invalidate a positive ELISA result.

If the Western blot is indeterminate, further testing via polymerase chain reaction, or PCR, may be employed to detect the presence of HIV genetic material. Additionally, because it can take up to 3 months post-infection for antibodies to develop, the timing of the tests is crucial to minimize false negatives. Special considerations are made for children under 18 months, where viral RNA tests are more accurate due to maternal antibodies. Fourth-generation tests and nucleic acid tests (NATs) can also be used to detect both HIV antibodies and antigens, providing earlier and more accurate detection of the virus.


Related Questions

A snake that eats a mouse is an example of what

Answers

It's an example of a predator.
A carnivore.
A hungry animal.

Answer:

Predation

Explanation:

Answer on edge

come up with your own 30 minute workout. It should contain a five minute stretch/warmup at the beggining, followed by a 20 minute exercise period that will be concluded with a 5 minute cool down period. Write down the set and repitition amounts for each activity. Lastly write a couple of sentences that describe what the results and expectations of your workout are.

Answers

1) UPPER BACK STRETCH
2) SHOULDER STRETCH
3) HAMSTRING STRETCH
4) STANDING HAMSTRING STRETCH
5) CALF STRETCH
6) HIP AND THIGH STRETCH
7) ADDUCTOR STRETCH
8) STANDING ILOPTOBIAL BAND STRETCH
9) QUADRICEPS STRETCH
10) STANDING SHIN STRETCH


Best for chest exercise: The push-up.
Best exercise for glutes: The squat.
Best exercise for abs: The bicycle manoeuvre.
Best exercise for the back: Pull-up.
Best exercise for hamstrings: Swiss ball hamstring curl.
Best exercise for upper arms: Triceps dips.
Best exercise for thighs: The lunge.
Best for waist: The side bridge.

10 each

1) UPPER BACK STRETCH
2) SHOULDER STRETCH
3) HAMSTRING STRETCH
4) STANDING HAMSTRING STRETCH
5) CALF STRETCH
6) HIP AND THIGH STRETCH
7) ADDUCTOR STRETCH
8) STANDING ILOPTOBIAL BAND STRETCH
9) QUADRICEPS STRETCH
10) STANDING SHIN STRETCH

This workout is overall a great full body work out.

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Fun fact: The healthiest place in the world is in Panama.

A client has been receiving intravenous normal saline at a rate of 125 mL/hour since her surgery 2 days earlier. As a result, she has developed an increase in vascular volume and edema. Which of the following phenomena accounts for this client's edema?
A. Obstruction of lymph flowB. Increased capillary permeabilityC. Decreased capillary colloidal osmotic pressureD. Increased capillary filtration pressure

Answers

Answer:

D. Increased capillary filtration pressure

Explanation:

An increased capillary filtration pressure causes an increase in vascular volume and edema. Edema is the excess accumulation of fluids within the tissues in a body. Obstruction of lymph flow, Increased capillary permeability , decreased capillary colloidal osmotic pressure, increased capillary filtration pressure do not always cause an increase in vascular volume and edema

Exercise is physical activity with the goal of improving physical fitness.
Please select the best answer from the choices provided.
OT
OF

Answers

Answer:

True

Explanation:

The statement "Exercise is physical activity with the goal of improving physical fitness" is true. Therefore, option A is correct.

Exercise refers to planned and structured physical activities that are performed with the intention of enhancing various aspects of physical fitness. Physical fitness includes components such as cardiovascular endurance, muscular strength, flexibility, and body composition.

When individuals engage in exercise, they typically follow a routine or regimen that is designed to target specific fitness goals. These goals might include increasing muscle strength, improving cardiovascular health, enhancing flexibility, or managing body weight.

Exercise is purposeful and intentional, often involving repetitive movements or specific exercises that are tailored to improve different aspects of fitness.

Thus, option A is correct.

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An 84-year-old woman with history of atrial fibrillation presents to the emergency department with right arm weakness that began acutely 2 hours earlier, accompanied by dizziness and nausea. She takes warfarin, digoxin, and diltiazem. Vital signs are temperature 37 degrees Celsius, blood pressure 180/100 mm Hg, pulse 120-150 and irregular, respiratory rate 16 per minute, SpO2 98% on 4L oxygen by nasal cannula. Head CT shows no signs of bleed. What is the most likely etiology of her stroke

Answers

hytertention. she's on warfarin which makes blood clot less likely. her BP is extremely high. I'd go with that.

Which is not a type of nicotine based product? a) Dip b) Juul c) Vodka d) Cigar

Answers

Answer: Vodka.

Explanation: Vodka is a alcohalic beverage.

Recognition of others is categorized as which of the following types of development?

Social

Cognitive

Emotional

Physical

Answers

social is the answer

A nurse is providing discharge teaching to a client following an open radical protatectomy. The client is going home with an indwelling urinary catheter. Which of the following statements by the client indicates and understanding of the teaching?A: I will be able to take a tub bath in 1 weekB: I will change the catheter drainage bag once each weekC: I will use suppositories to prevent constipationD: I will regain my bladder control once the catheter is removed

Answers

Option B

I will change the catheter drainage bag once each week statements by the client indicates and understanding of the teaching

Explanation:

Radical prostatectomy is cryosurgery to eliminate the whole prostate gland and encompassing lymph nodes as a method for men with localized prostate cancer. After surgery, one may be weak and require more rest for 3 to 4 weeks subsequent thou go home.

One will go home with a catheter (tube) to drain urine from your bladder. The aforementioned will be discarded after 1 to 3 weeks. One may go home with an added drain (called a Jackson-Pratt, or JP drain). One will be instructed on how to release it and care for it.

Final answer:

The client shows understanding of post-operation care with an indwelling urinary catheter upon stating that bladder control would regain once the catheter is removed. It's important to follow hygiene protocols to avoid urinary tract infections.

Explanation:

The question involves the post-operation care of a patient who has undergone an open radical prostatectomy and is going home with an indwelling urinary catheter. The statement that indicates the client's understanding of the discharge teaching is "I will regain my bladder control once the catheter is removed". The catheter is a temporary solution for urinary retention that can occur after surgery.

Once it is removed, the bladder will start functioning normally again. The client should also be aware of the potential risk of urinary tract infections which can occur with catheter use. Always maintain cleanliness around the catheter site to avoid infections like Staphylococcus epidermidis, and promptly report any signs of infection such as fever or discomfort to the healthcare provider.

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Which hygiene practice is required of food service workers?
Hand washing (only)
Hand & face washing
Hand & arm washing
None

Answers

hand washing & arm washing
Final answer:

For food service workers, the required hygiene practice is Hand & Arm Washing. This includes hands, wrists, and up to the elbows, to prevent food contamination and maintain safe food service.

Explanation:

In the food service industry, employees are required to practice certain hygiene standards to maintain safe and sanitary conditions. The correct answer to your question would be Hand & Arm Washing. This practice includes thoroughly washing hands, wrists, and even up to the elbows, especially after using the restroom, before and after handling food, and anytime they become soiled. Washing both hands and arms is a broader scope that encapsulates hand washing and is done to prevent food contamination and to maintain safe food service.

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Both of Aiden’s parents and all of his grandparents have diabetes. Although Aiden knows he should take care of himself by exercising more and maintaining a healthy diet, he thinks that getting diabetes is inevitable for him. It doesn’t help that his mother bakes him cookies every week. As a result of the combination of his poor diet, pessimism about exercise, and genetic predisposition, Aiden gains weight and begins to show symptoms of diabetes. Which of the following best accounts for this case?
a. ineffectiveness of restrictive dietingb. overeating due to varietyc. the biopsychosocial modeld. body weight being socially contagious

Answers

Answer:

c

Explanation:

Which one of the following statements about gender and strength training is TRUE? 1. Men have a lower proportion of muscle overall than women. 2. Women tend to reduce body fat as a result of strength training. 3. Men are about 10 percent stronger in upper body strength when compared to women. 4. Testosterone levels in men are about four times higher than in women.

Answers

Answer:

Women tend to reduce body fat as a result of strength training

Explanation:

Strength training involves the performance of physical exercises which are targeted at improving strength and endurance. It is necessary for women to develop and maintain strength as they get older so as to prevent injury and stave off bone loss and osteoporosis. Strength training does not only strengthens muscles, but also the bones that support the muscles also.

Answer:

Testosterone is male hormone and is higher than female

Explanation:

The Americans with Disabilities Act:_______.
a. made it illegal to hold social stigmas against those with mental disorders.
b. made it illegal to discriminate against a person with a psychological disorder in the workplace when the person's condition does not prevent performance of the job's essential functions.
c. was designed to eliminate the cultural stereotypes of people with mental disorders.
d. was designed to provide additional healthcare coverage to people with mental disorders who were stereotyped as violent.

Answers

Answer:

im pretty sure the answer is b

Final answer:

The Americans with Disabilities Act (ADA) of 1990 prohibits discrimination against individuals with disabilities and requires employers to make reasonable accommodations.

Explanation:

The Americans with Disabilities Act (ADA) of 1990 prohibits discrimination against individuals with disabilities in all areas of public life, including jobs, schools, transportation, and public and private places open to the general public. The Act defines disability as a physical or mental impairment that limits major life activities. It requires employers to make reasonable accommodations for disabled employees to perform their job functions. For example, an employer might provide ramps or readers for blind personnel, or allow more frequent breaks for individuals with disabilities. The ADA was designed to ensure that disabled individuals can contribute to organizations and cannot be discriminated against because of their disabilities.

Theresa has developed blood sugar issues associated with her pregnancy. Which endocrine disorder was Theresa most likely
diagnosed with?

A.type 1 diabetes
B.hypothyroidism
C.hyperthyroidism
D.gestational diabetes

Answers

d.gestational diabetes
this could happen during pregnancy

The average person requires 2,250 Calories a day to maintain their weight. If 2000 of those Calories come from plants, and 250 Calories come from meat, how many liters of water are needed to produce one day's worth of food?

Answers

water has no calories but the daily water intake is about 2.7 liters or about 15.5 cups

Explanation:

A 6-year-old child is being admitted with newly diagnosed acute lymphocytic leukemia. The multidisciplinary team is meeting to plan care for this child and family. Which statement by the parents should receive priority in the nursing planning process?A) "His brother is upset about the amount of time we are away from home."B) "Can we plan a trip out of town sometime this summer?"C) "We are afraid that he will dislodge his central line at school."D) "How do we get our parking validated?"

Answers

Answer:

C.

Explanation:

Central line being dislodged

A commitment to being ethical is important for good leadership.
Please select the best answer from the choices provided.
OT
OF

Answers

This could be either way but i would say t because good leadership should come from those with good character. Things like compassion, and honesty. So i would say true

Answer:

The statement ‘A commitment to being ethical is important for good leadership’ is true. People see a leader as a role model and that it is good to see that a leader practices ethical manners. This will be followed by his followers.

Explanation:

took unit test on edg

What are good shoulder workouts at home?

Answers

Answer:

Push ups, Pull ups and crunches

Explanation:

Pushups, overhead presses, flys, upright rows, incline bench press

Malaria is a disease caused by a microscopic parasite that attacks blood cells. The parasite is spread to humans through the bite of a mosquito. Malaria causes headaches, muscle pain, coughing, fever, and vomiting. Why is malaria able to cause symptoms in so many parts of the body?

Answers

Answer:

the blood flow throughout the body

Explanation:

You review Mr. Johnston's recent lab work and notice that his PSA is WNL. What does the PSA
test measure?

Answers

Answer:

Within normal limits

Explanation:

there are different Spectrums for what is normal for each ethnicity and age.

You are suffering from arachnophobia (spider phobia). Your therapist first has you go through relaxation training, then you construct a fear hierarchy and, finally, has you go through a phase of graded pairings of spiders and relaxation responses. This approach is called _________.

Answers

Answer:

systematic desensitization

Explanation:

Samantha is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. The soup has to cook for 4 hours. While the soup is cooking, what will happen to some of the minerals that are in its ingredients

A. The relatively high temperature that is needed to cook the soup will destroy the iron, phosphorus, and sulfur in the vegetables.

B. The minerals will leach out of the ham and vegetables and lose their natural bioavailability.

C. The minerals will leach out of the food and into the cooking water, retaining their bioavailability and becoming part of the soup in the process.

D. Cooking the soup's ingredients for this extensive amount of time will enable the minerals to become antioxidants.

Answers

B- The minerals will leach out of the food and into the cooking water, retaining their bioavailability and becoming part of the soup in the process.

The minerals will leach out of the food and into the cooking water, retaining their bioavailability and becoming part of the soup in the process.

Why do we need minerals?

Minerals are required to assist us in three major tasks:

Ensure that your teeth and bones are in good shape.Control the flow of bodily fluids both within and outside of cells.Convert the food we consume into energy.

What foods contain minerals?

Minerals can be present in a variety of foods, including cereals, bread, meat, fish, milk, dairy, nuts, fruit (particularly dried fruit), and vegetables.

Some minerals are more important than others. Calcium, phosphorus, magnesium, sodium, potassium, and chloride, for example, are more important than iron, zinc, iodine, selenium, and copper.

Thus, we can conclude that option C is correct.

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Several recent research studies have indicated people who eat an ounce or two of nuts each day in addition to their usual diet did NOT gain as much weight as would be expected from their increased energy intake.

True or False

Answers

Answer: True

Explanation:

The people who had the test done on them used the energy from the nuts to do more things throughout the day because of the increase in energy

what are the three functions for the excretory system?

Answers

Answer:

1 .Collect water and filter body fluids.

2 .Remove and concentrate waste products from body fluids and return other substances to body fluids as necessary for homeostasis .

3. Eliminate excretory products from the body.

1. Collect water and filter body fluids
2 remove waste products
3. Eliminate excretory products from the body

How do anabolic steroids make a person prone to injuries?

-The extra muscle development makes it difficult to stretch fully before and after exercise.

-They introduce toxins to the muscle tissue, resulting in muscles that are easily injured.

-They strengthen muscles but not ligaments or tendons, weakening the muscle support system.

Answers

Answer: Anabolic steroids will make your Muscle Tissue grow at a very abnormal and unhealthy rate. But in the growth process , your Tendon and Ligiments could not support the growth of your muscle.

Explanation:

The anabolic steroids strengthen the muscles of the muscular system but are not supported by the ligaments or tendons, making the person prone to injuries. Thus, option c is correct.

What are anabolic steroids?

Anabolic steroids are anabolic–androgenic steroidal drugs composed of testosterone and other synthetic androgens. They are used to enhance performance and by increasing muscle mass.

The muscles get strengthened due to high mass and low fat, but the tendons and ligaments supporting the muscles are incapable of supporting the abnormal growth that weakens the overall system.

Therefore, anabolic steroids weaken the muscular system making it prone to injuries.

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Why do you “see stars” when you hit the back of your head?

Answers

Answer:

You "see stars"because of your head's "reaction"

Explanation:

If you get hit on the head, the tissue in your occipital lobe gets shaken up. Brain cells then send out random electrical impulses, which your brain interprets as flashes of light that may seem like stars.

Translate the following commonly used expressions into their appropriate full medical term. Do not use abbreviations, spell out the terms completely. Ear Drum: {___________} A bruise: {___________} Lacking dentition; having no teeth: {___________} Yellowing of the skin: {___________}

Answers

Answer:

I have it.

Explanation:

Ear drum:  tympanum

A bruise: contusion or ecchymosis

Lacking dentition (no teeth): Edentulous

Yellow skin: Jaundice

Does that help?

QUESTION 12 In order to considered "experienced" in the hospitality industry, staff members should have least a _____ of experience. 1 year 2 years 90 days None of the above

Answers

Answer:

2 years

Explanation:

Hospitality industry can be described or explained as an industry which includes restaurants, hotels, casinos, amusement parks, events, cruises, entertainment, and other tourism-related services.

This means that the industry is so broad, and it applies to almost any company that is focused on satisfying the customer's needs.

It should be understood that , hospitality industry deal with hospitality, this involves taking care of their guests and anticipating their needs.

It should be noted that workers in this industry must possess some skills like attention to detail, teamwork, and good personal grooming, and minimum of 2 years experience.

True or false? Urine is propelled along the ureter by peristaltic waves of muscular contractions.

Answers

Answer: True.

Explanation:

Urine is propelled along the ureters by peristaltic waves of muscular contractions. ... Each kidney typically has eight to fifteen major calyces and two to three minor calyces. Meaning the answer is true. Because of muscle contraction.

I hope it helps too.

Urine is propelled along the ureter by peristaltic waves of muscular contractions, which is true as these contractions are caused by the smooth muscle tissue that lines the walls of the ureter.

What is the function of the urinary system?

 

The urinary system is responsible for filtering waste products from the blood and eliminating them from the body, the ureters are muscular tubes that transport urine, which is propelled along the ureter by peristaltic waves of muscular contractions. The rhythmic contraction and relaxation of smooth muscle tissue that propels the urine to flow and urine enters the ureter from the kidney, the smooth muscle cells in the walls of the ureter contract and squeeze the urine, causing it to move, and in this way the urinary system functions.

Hence, urine is propelled along the ureter by peristaltic waves of muscular contractions, which is true.

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What are histamines and what role do they play in allergy’s ?

Answers

histamines are chemicals that your body makes up to help get rid of something that’s bothering you. in relation to allergies, histamines help you get rid of by coughing, sneezing, itching, etc.

Answer:

It is produced by cells known as mast cells. Histamine is a protein molecule with the chemical formula C5H9N3. It serves as an important part of our body's immune response. When we come into contact with an allergen, such as pollen or animal dander, histamine is released by the body to the site of contact.

Explanation:

Mark is 80 years old and lost his wife last year. He marries a woman who lives nearby who lost her husband several years ago. They sleep in separate rooms but enjoy each other's company. This is an example of :
A) empty love.
B) companionate love.
C) romantic love.
D) fatuous love.

Answers

Answer: B) companionate love

Explanation:

I think this would be an example of companionate love because it seems it is based more on a friendship. Companionate love can form in non-romantic relationships, and this relationship does not seem very romantic.

Other Questions
what is the first 4 digits of pi A business has $15,000 to spend on airline tickets to travel to a conference. It wants 27 of its employees to attend. The business wants to buy as many business-class seats as possible. The business-class seats cost $700. The economy-class seats cost $375. Create a system of equations that models how many of each type of ticket the business should purchase. 700x + 375y = 27x + y = 15,000 x + 375y = 15,000700x + y = 27 700x + y = 15,000x + 375y = 27 700x + 375y = 15,000x + y = 27 Please help this is my math homework True or FalseThe following sentence has proper subject verb agreement:All of the students, including the new student, is painting a picture for art class. A random sample of 28 plastic items is obtained, and their breaking strengths are measured. The sample mean is 7.142 and the sample standard deviation is 0.672. Conduct a hypothesis test to assess whether there is evidence that the average breaking strength is not 7.000. Which is equivalent to log Subscript 2 Baseline n = 4?A)log n = StartFraction log 2 Over 4 EndFractionB)n = StartFraction log 2 Over log 4 EndFractionC)n = log 4 times log 2D)log n = 4 log 2 A company uses a substance that is Solid under normal conditions this substance will be used in extreme conditions which could make this substance molecules move faster and cause a phase change how would this phase change occur , and how would the molecules of the substance be affected under these extreme conditions A victim with a foreign body airway becomes unresponsive, what should you do? 2. A student had taken six tests and received scores of 88, 73, 81, 83, 79, 94. The seventh testwas coming up and the student wants to know:a. What was needed on the 7th test to have a mean score of 83. Find the 7th test score.b. Find the median and mode using the 7th test score from part a.MedianMode: This diagram shows that Al can see the reflections of Ed and Fred in the mirror. Which two students can both see the reflections of Cy, Di, Ed and Fred? * a gas has a volume of 350 cubic centimeters at 740 mmHg. how many cubic centimeters will the gas occupy at a pressure of 900 mmHg if the temperature remains constant? 88 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg opponent running west at3.0 m/s, and the collision is perfectly inelastic. What is the speed of the players just after the tackle?A) 149 m/sB) 23.1 m/sC) 7.31 m/sD) 0.81 m/s Simplify the trigonometric function e^x=59 round to the nearest ten-thousandth In the passage, the court argues that the plaintiffs: have not been given equal protection of the laws guaranteed by the Constitution. have misinterpreted the laws guaranteed by the Fourteenth Amendment. must provide additional evidence. 2. After a car is jump started, you must unclip the jumper cable clipsA. in the reverse order you connected themB. as quickly as possibleC. only after the engine has been running for 10 minutesD. in the same order you connected them The radius of the water bottle is about _______cm. The sum of three consecutive numbers is one hundred thirty - eight.What is the smallest of the three numbers Which solids can have vertical cross sections that are circles? Check all that apply-cones-cylinders-spheres Ten less than 40% of a number is -4. Please just write out equation >~