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Laboratory Testing

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

500 Questions

What test measurs percentage by volume of packed red blood cells in a whole blood sample?

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Asked by Wiki User

In addition to hematocrit, another key blood parameter often measured is hemoglobin concentration, which represents the amount of oxygen-carrying protein within the red blood cells. Hemoglobin and hematocrit are closely related and provide complementary information about the blood's oxygen-carrying capacity and overall health status.

Hematocrit values can vary depending on factors such as age, sex, altitude, and certain medical conditions. For instance, low hematocrit levels may indicate anemia, blood loss, or nutritional deficiencies, while high levels could suggest dehydration, polycythemia vera, or other underlying health issues.

Interpreting hematocrit results typically involves consideration of the patient's medical history, symptoms, and other laboratory findings to guide diagnosis and treatment decisions. In clinical practice, Medicas are providing packed cell volume (pcv)test, for measuring the routinely performed as part of a complete blood count (CBC) test to assess various aspects of blood composition and function.

Metal element that carries oxygen in the blood?

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Asked by Wiki User

Iron as the ion 'Fe^(3+) , which is coloured red/brown and gives blood its colour.

What is the blood Tube color for lactate?

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Asked by Wiki User

The blood tube color commonly used for lactate testing is a light green or green-gray top tube. The tube is often referred to as a "lithium heparin" tube, as it contains lithium heparin as an anticoagulant. Lactate levels are typically measured in plasma, and the use of lithium heparin helps prevent blood clotting and allows for accurate testing of lactate levels. It's essential to follow the specific guidelines and recommendations of the laboratory or healthcare provider where the blood sample is being collected, as practices may vary.

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Is total creatine Kinase level 25 low?

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Asked by Wiki User

My kinase level is 29 what does that mean

What does a Creatinine with GFRE test for?

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Asked by Wiki User

It checks your kidney function

What color test tube is CBC?

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Asked by Wiki User

Lavender

CBC is complet blood count

What is the meaning of test tube holders?

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Asked by Wiki User

Test tube holders are tools specifically designed to hold and secure test tubes. They serve several important purposes:

  1. Safety:

Protecting hands from heat: Test tube contents can get very hot during experiments. Holders prevent direct contact, protecting hands from burns.

Preventing spills and accidents: Holding tubes securely avoids accidental drops and spills that could cause injuries or damage samples.

  1. Convenience:

Hands-free experimentation: Holders allow you to perform other tasks without needing to hold the tube constantly.

Precise manipulation: Holders provide stability and control for tasks like pouring liquids or adding reagents.

Multiple tube handling: Holders with multiple slots allow managing and manipulating several tubes simultaneously.

  1. Organization and storage:

Keeping tubes upright: This prevents spills and ensures accurate measurements.

Easy access and identification: Holders facilitate organized storage and quick retrieval of specific tubes.

Drying and cleaning: Holders allow tubes to dry and air out properly after cleaning.

Types of test tube holders:

Test tube clamps: These are simple and versatile, ideal for single tubes.

They may be made of metal or plastic and have adjustable grips.

Test tube stands: These hold multiple tubes at once, often in rows or grids.

They come in various materials like wood, plastic, or metal.

Test tube racks: These are designed for storing and transporting tubes, often with slots for specific tube sizes.

Test tube holders with handles: These are ideal for handling hot tubes or performing experiments that require mobility.

In summary, test tube holders are essential tools for various laboratory tasks, ensuring safety, convenience, and organization in handling and manipulating test tubes.

What does k stand for on a blood test?

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Asked by Wiki User

K is the symbol for potassium.

Normal levels are between 3.5 and 5.5 mmol/L.

Values outside this range require immediate attention by a doctor, particularly values above 6.5 where there is a risk of the heart stopping.

Potato, banana and orange are quite rich in potassium.

What blood type can a person with AB blood type receive?

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Asked by Wiki User

The short and sweet answer is no, they cannot. The reason behind it is because AB blood also has the antigens of B blood and since B and A are unmixable, AB and A is as well. Now Type A blood and give to type AB blood since A is in the name. A good rule of thumb with donations is that if your blood type is the other persons blood type then you can give to them. The exception is O in which case you can give to any type as long as they match + or -. However O can only receive from O. It is rather confusing but it boils down to this.

  • A gives to A and AB
  • B gives to B and AB
  • O gives to A, B, and AB
  • A can receive only A and O
  • B receives B and O
  • O receives only O
  • AB receives all

Now the above list is correct except that...You match your positive or negative signs as well. There you have it.

Why you should not enter the laboratory without your teacher's permission?

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Asked by Wiki User

Health and safety.

The school could be taken to court if you injured yourself by one of the chemicals or bacteria in the lab

What lab test for the elderly would measure amount of free unbound drug molecules?

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Asked by Wiki User

The lab test that measures the amount of free unbound drug molecules in the blood is called "free drug concentration" or "free drug level." This test is particularly important for the elderly as changes in kidney or liver function can alter the metabolism and clearance of medications, leading to potential drug toxicity or inadequate treatment. Monitoring the free drug concentration helps healthcare professionals optimize drug dosing and minimize the risk of adverse effects in older adults.

What aftercare is required after the creatine kinase test?

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Asked by GaleEncyofMedicine

There is typically no specific aftercare required after a creatine kinase (CK) test. The test itself is a simple blood draw, and most people can resume their usual activities immediately after. It is always advisable to follow any instructions given by the healthcare provider, such as avoiding strenuous exercise if recommended.

What color tube is used to draw B12?

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Asked by Wiki User

A lavender or pink tube is usually used to draw B12.

How do hospital workers use math?

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Asked by Wiki User

Hospital workers use math in various ways. They use it to calculate medication dosages based on a patient's weight and age, to interpret and analyze medical test results, and to manage and allocate resources efficiently. Math also helps in making predictions and forecasts based on patterns and trends, such as predicting patient flow and demand for services.

Can you drink coffee before a blood test requiring 12 hour fast?

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Asked by Wiki User

No, it is generally recommended to avoid consuming anything except water during a 12-hour fast before a blood test. Coffee contains caffeine and other compounds that can affect your blood test results, so it is best to abstain from it until after the test is complete.

How do you lower high hemoglobin?

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Asked by Wiki User

The concentration of Haemoglobin is normally reduced in conditions where by the person has an high iron. The level is reduced over a period of time by bleeding the person not unlike giving blood for donation, however the high levels of iron build up in the liver over a period of time and cannot be removed

My latest blood test after fasting is 108?

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Asked by Wiki User

My latest blood test after fasting 8 hrs is 108

How do you collect a sample?

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Asked by Wiki User

In a variety of industries, including healthcare, research, and quality control, gathering a sample is an essential step. The kind of sample and its planned usage will determine the precise method. I'll include some general suggestions for gathering samples here:

Make sure you have the essential supplies, such as sterile containers, swabs, or collecting tubes, before you start. If necessary, put on the proper personal protective equipment (PPE), such as gloves, a mask, and lab coats.

Choosing the Sample Type: Decide what kind of sample you need to take—blood, urine, tissue, swabs, or something else. Use the appropriate container and collection technique for that sort of sample.

Patient Preparation: If you're taking a sample from a person, make sure they understand the process and get their agreement. Patients may occasionally need to adhere to particular dietary or pharmaceutical restrictions prior to sample collection.

Sample Gathering Procedure:

Blood: To collect blood, a sterile needle is often inserted into a vein, typically in the arm, and the necessary amount of blood is drawn into a collecting tube. A certified phlebotomist or medical professional performs this task.

In order to collect mid-stream urine samples, provide the patient a clean container and instructions. The patient should correctly fill and seal the container.

Swabs: Swabs are frequently used to take samples from surfaces, injuries, or mucous membranes. Use a sterile wipe to clean the area of interest

Tissue or Biopsy: The acquisition of tissue or biopsy sample may need surgical procedures. This will be done by a surgeon or other medical professional who will make sure aseptic procedures are followed.

Saliva: Spitting into a collecting tube is the easiest way to collect saliva. Make sure the person fasts for a certain amount of time before being collected.

Stool samples may be required from patients for a variety of examinations. They take the sample in a pristine, single-use container.

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Why do a ECG on a head injury patient?

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Asked by Wiki User

Although electrocardiography (ECG) on a patient with a head injury may not appear immediately pertinent, it is crucial for the overall assessment and management of these cases. Why an ECG is crucial for people with head injuries is as follows:

Rule out Cardiac Causes: If a head injury is severe or is coupled with chest trauma, it may occasionally result in cardiac problems, such as arrhythmias (abnormal heart rhythms). An ECG aids in eliminating any potential heart issues that may be causing the patient's symptoms.

Recognize Stress-Related Changes: Severe head trauma can result in physiological stress reactions that may have an impact on the heart. An ECG can detect these stress-related alterations, and being aware of them is essential for the patient's overall care.

Check for the vasovagal response. Some people who have had a head injury may have the vasovagal response, which causes a sharp drop in heart rate and blood pressure. It's crucial to recognize and control this response as soon as possible because it can cause syncope (fainting) and additional harm.

Medication and sedative: For pain management, imaging, or other interventions, patients with head injuries may occasionally need medication or sedative. ECG monitoring is crucial to ensure the patient's safety because these medications have the potential to influence the heart's electrical activity.

Assess Oxygenation: Serious head traumas can impair the brain's ability to get oxygen, which may have a knock-on effect on the heart. An ECG can be used to assess the patient's overall level of circulation and oxygenation.

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Why blood for testing is drawn from left ring finger?

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Asked by Wiki User

I have had multiple blood draws done every year since the middle 1990s and the blood has always been taken from veins in my forearm (sometimes left, sometimes right) near the elbow, never the hands or fingers.

Diabetic blood sugar tests are often taken from the fingertips, but there is a tendency for many new test devices to get away from this and use the arm because the fingertips are more pain sensitive than the arms.

I cannot think of any reason a blood test would have to be taken only from a single finger.

Does taking a drug test mean you' re hired?

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Asked by Wiki User

The company wants to know if your using drugs or not before they decide whethr or not to hire you.

What is the entry level yearly salary for an medical examiner?

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Asked by Wiki User

It depends on how qualified and experienced you are. Beginning salaries can start around $120,000 a year and experienced coroners can make up to $370,000 a year or more.

Average for just beginning with the basic experience you will earn around $115 grand. When you have worked with the field and gained experience through the years you can earn up to $400 grand! Obviously this won't be easy so take your time considering if you want to work for that money.