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Laboratory Testing

Before a doctor can diagnose a patient, laboratory tests such as blood work are required.

8,512 Questions

A major function of serous membranes is to decrease friction?

Yes, serous membranes produce a lubricating fluid that helps decrease friction between organs or between organs and the body cavities in which they reside. This reduces damage and allows for smooth movement within the body.

Why do doctors take blood from your finger?

It's less painful than your eyeball . . . NAHHHH, just joking. The blood from your finger is observed under a microscope, and the number of white (or sometime red) corpuscles is counted. If there are more white corpuscles than normal, the doctor may suspect that you have an infection or sickness of some kind, then he will follow up.

What is Rh sensitization?

Rh sensitization is a condition where a person's immune system develops antibodies against Rh-positive red blood cells, typically occurring when an Rh-negative individual is exposed to Rh-positive blood. This immune response can cause complications during future pregnancies if an Rh-negative mother carries an Rh-positive fetus. Rh sensitization can be prevented with the administration of Rh immunoglobulin.

Wbc esterase is 2 plus abnormal?

My urninalysis came back with WBC esterase as 2+ Abnormal. My WBC under urinalysis came back 6-10 Abnormal ...what does this mean?

What are the four blood cells?

The four main types of blood cells are red blood cells, white blood cells, platelets, and plasma. Red blood cells carry oxygen throughout the body, white blood cells help fight infections, platelets assist in blood clotting, and plasma is the liquid component of blood that carries these cells and other substances.

What is the study of inherited characteristics?

The study of inherited characteristics is known as genetics. Genetics focuses on the study of genes, inheritance patterns, and variations in individuals that are passed down from generation to generation. It explores how traits and characteristics are transmitted from parents to offspring.

An example of both a biological stressor and a life change stressor is?

Biological stressor: Illness or injury that affects the body's ability to function properly. Life change stressor: Divorce or moving to a new location, causing significant changes in daily routine and social support.

Can parents with both negative blood parent a positive child?

absolutely. as long as one of the parents is positive, the child can be positive. and if one parent is A the other B, the child can be A, B, AB or O depending on the parents' other alleles. so the child can definitely be A or B positive, but also A negative, B negative, AB negative, AB positive, O positive or O negative.

What is pth intact IRMA?

PTH intact IRMA stands for parathyroid hormone intact immunochemiluminometric assay. It is a blood test that measures the level of intact parathyroid hormone in the blood, which helps in the diagnosis and monitoring of disorders related to calcium metabolism, such as hyperparathyroidism and hypoparathyroidism.

How can you test for the presence of proteins?

Biuret Test for presence of proteins:

Principle:

The test indicates the presence of peptide linkages(CO-NH) in proteins. The CO-NH groups in polypeptide chain form complex colour compounds with cupric hydroxide (Cu(OH)2) which is formed by the action of NaOH on CuSO4 .

Reagents:

1) 40% Sodium hydroxide(NaOH)

2) 1% Copper sulphate(CuSO4)

Procedure:

In 3mL of sample solution add 3mL of 40% NaOH. To This mixture add few drops of 1% CuSO4 .

Observation:

Purple Violet or Pink colour develops.

Inference:

(CO-NH) linkages are present.

What algae is used to prepare a medium for bacterial culture?

Agar, a gelatinous substance derived from red algae, is commonly used to prepare solid media for bacterial culture. It provides a solid surface for bacteria to grow on and is not consumed by the bacteria during growth.

What is a mono blood test?

A mono blood test is a laboratory test to detect antibodies that are produced in response to the Epstein-Barr virus (EBV), which is the virus that causes infectious mononucleosis. This test helps diagnose mono by determining if a person has been exposed to the virus.

What does it mean if you have white blood cells in your urine?

The presence of white blood cells in urine is known as pyuria and may indicate an infection or inflammation in the urinary tract. Further evaluation by a healthcare provider is needed to determine the underlying cause and appropriate treatment.

How is 5-8 pus cells in urine?

The presence of 5-8 pus cells in urine may indicate a mild urinary tract infection. It is important to consult a healthcare provider for further evaluation and possible treatment if needed. Drinking plenty of water may help flush out the infection.

Your urinalysis came back WBC Esterase 1 plus everything else was normal?

A positive WBC esterase on a urinalysis typically indicates the presence of white blood cells in the urine, which can be a sign of infection or inflammation in the urinary tract. It is important to discuss these results with your healthcare provider to determine the underlying cause and appropriate treatment if needed.

What part of the human body is the Golgi body like?

The Golgi body in the human body can be compared to a post office. It receives, modifies, and packages proteins and lipids from the endoplasmic reticulum before sending them to their final destinations within the cell or outside of it.

What would be the possible blood group of a child if one of his parent has blood group AB and other has O?

The child could have either blood group A or B, but not AB or O. Each parent contributes one blood type allele, so the child could inherit an A allele from one parent and a B allele from the other, resulting in blood group AB. Alternatively, the child could inherit an A allele from one parent and an O allele from the other, resulting in blood group A, or a B allele from one parent and an O allele from the other, resulting in blood group B.

A sudden increase in the number of white blood cells in a human may be an indication of?

An increase in white blood cells in a human may indicate an infection, inflammation, or a response to stress or injury. It can also be a sign of certain medical conditions, such as leukemia or lymphoma. Consulting a healthcare provider for further evaluation and testing is recommended in such cases.

Do you grow when you get sick?

Yes, of course you grow,exept if you get a sickness that stops your growth.(growth continues naturally)

Where is the Rh marker found?

The Rh marker can be found on the surface of red blood cells. It is a protein located on the cell membrane that determines whether an individual is Rh positive or Rh negative.

What are four components that can be derived from a unit of blood?

Four components that can be derived from a unit of blood are red blood cells, plasma, platelets, and white blood cells. Each of these components serves different functions and can be used in various medical treatments.

Does having a fever affect a fasting blood test?

NO. If a person is fasting (no food or drink for 8-10 hours) that is really what the doctor is testing. He/She is trying to get true lab results for lipid profiles, glucose, etc. IF a Complete Blood Count has been included in the laboratory exam, then it is a possiblitiy that the White blood count could be elevated (bacterial infection) or low (Viral infection) because of the fever.

How can you reclaim a dissolved solid?

Simple - remove the solution!

Most often the solution is evaporated. The solid will frequently form crystals which are recovered. This is how salt and sugar are manufactured. Sometimes the dissolved substance will decompose if heated. Lowering the pressure lowers the boiling point, so a vacuum evaporator can be used.

omg im sooo clever :P :D

10 interesting facts about the nervous system?

  1. The nervous system is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS).
  2. The brain uses about 20% of the body's oxygen and blood supply, despite making up only about 2% of the body's weight.
  3. Neurons in the nervous system can transmit signals at speeds of up to 120 meters per second.
  4. The average adult human brain contains around 86 billion neurons.
  5. The spinal cord acts as a relay station for signals between the brain and the rest of the body.
  6. The myelin sheath, made of fatty tissue, helps to speed up the transmission of signals along neurons.
  7. The enteric nervous system, often called the "second brain," controls the gastrointestinal system independently of the brain.
  8. The nervous system controls involuntary functions like heart rate, breathing, and digestion.
  9. Neurotransmitters are chemical messengers that transmit signals between neurons.
  10. The nervous system is essential for coordinating all bodily functions and responses to the external environment.

Why is it safe to transfuse blood group O to a patient?

Red blood cells of different groups have different molecules on the surface of their cells these are called antigens. People with blood type A will reject B type blood as they have different antigens on the surface of their cells, these differences are detected by antibodies. Blood type O has none of these antigens and so isn't rejected/detected by the antibodies.