# how to remember lab values

## What are the lab values I need to know for Nclex?

Common labs on the NCLEX
• pH: 7.35-7.45.
• PaO2: 80-100 mm Hg.
• PaCO2: 35-45 mm Hg.
• HCO3: 22-26 mEq/L.
• SaO2: >95%

## What are the most important lab values?

• Sodium: 136 – 144 mEq/ L.
• Potassium: 3.7 – 5.2 mEq/ L.
• Chloride: 96 – 106 mmol/ L.
• Calcium: 8.5 – 10.2 mg/ dL.
• Blood Glucose: <100 mg/ dL (fasting)
• Carbon Dioxide: 23 – 29 mmol/ L.
• Blood Urea Nitrogen: 6 – 20 mg/ dL.
• Creatinine: 0.8 – 1.2 mg/ dL.

## How do you remember hematocrit and hemoglobin?

Multiply the Hb by 3 for the hematocrit = 45% (If you know an easy way to memorize volume fraction, let us know!) A general rule of thumb is that Hematocrit is three times the Hemoglobin (in US values).

## Can RNS interpret labs?

Many nurses do not recognize the importance of lab tests because they feel that the doctor is responsible for interpreting the tests. This is not entirely true. The nurse must also have basic knowledge of lab tests in order to recognize trends that affect patients and in order to develop a good nursing care plan.

## Do nurses need to know lab values?

When you take the NCLEX exam there is a high probability you will have some type of lab value question. WHY? Because almost every patient that walks through the doors of a hospital will have blood work drawn, and as the nurse you will need to know about the common blood tests ordered and their normal lab value ranges.

## What are normal electrolyte lab values?

NORMAL ADULT LABORATORY VALUES
Electrolytes, serum
Sodium 136-146 mEq/L (136-146 mmol/L)
Chloride 96-106 mmol/L
Potassium 3.5-4.5 mEq/L (3.5-4.5 mmol/L)
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## Is BMP and chem 7 the same?

This test is known by multiple names—including a sequential multi-channel analysis with computer 7 (SMAC7) or metabolic 7—but most medical professionals refer to it as either a Chem 7 or basic metabolic panel (BMP).

## What is BMP fishbone?

The Basic Metabolic Panel (BMP), also called the Chem7, or simply the Electrolyte Panel, includes a set of 7 laboratory values widely monitored in the serum/plasma of patients. These values are usually presented in a “fishbone” diagram.

## What do lab values tell you?

Lab values are used to determine a patient’s overall health and well-being. There are many factors that can affect a patient’s result and lab values but some of the most common factors are gender, age, race, the medicines taken, and the presense of any underlying condition(s).

## What is the normal value of PT INR?

In healthy people an INR of 1.1 or below is considered normal. An INR range of 2.0 to 3.0 is generally an effective therapeutic range for people taking warfarin for disorders such as atrial fibrillation or a blood clot in the leg or lung.

## What means hematocrit?

A hematocrit (he-MAT-uh-krit) test measures the proportion of red blood cells in your blood. Red blood cells carry oxygen throughout your body. Having too few or too many red blood cells can be a sign of certain diseases. The hematocrit test, also known as a packed-cell volume (PCV) test, is a simple blood test.

## How can I memorize phosphate?

The Trick: When you think of phosphatase, think of phosphate. Then use the “ate” (eight) in phosphate to remember 80 (eight-y). 80 is right in the middle of normal, and this will help you remember the normal range of 40-120 U/L.

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## What does MCHC stand for in medical terms?

Doctors use information from the CBC to calculate your MCH. A similar measure to MCH is something doctors call “mean corpuscular hemoglobin concentration” (MCHC). MCHC checks the average amount of hemoglobin in a group of red blood cells.

## What are RBC in blood test?

A red blood cell (RBC) count is a blood test that tells you how many red blood cells you have. Red blood cells contain a substance called haemoglobin, which transports oxygen around the body.

## What is an abnormal lab value?

Your lab results may also include one of these terms: Negative or normal, which means the disease or substance being tested was not found. Positive or abnormal, which means the disease or substance was found.

## What does NP mean on lab results?

A nurse practitioner (NP) is a nurse with a graduate degree in advanced practice nursing. This type of provider may also be referred to as an ARNP (Advanced Registered Nurse Practitioner) or APRN (Advanced Practice Registered Nurse). Types of health care providers is a related topic.

## What causes abnormal lab values?

Abnormal results might be a sign of a disorder or disease. Other factors—such as diet, menstrual cycle, physical activity level, alcohol intake, and medicines (both prescription and over the counter)—also can cause abnormal results. Your doctor should discuss any unusual or abnormal blood test results with you.

## Can LPN monitor lab values?

Assessment and Monitoring

LPNs often evaluate vital statistics such as temperature, blood pressure, respiration and heart rate. They listen to patient concerns, answer their questions and call in an RN or doctor if additional information or advice is needed.

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## Are there fill in the blank questions on Nclex?

NCLEX-RN® Fill-in-the-Blank questions ask you to fill in the blank with a number based on a calculation. Like select all that apply, hot spot, and drag-and-drop questions, these types of questions are called alternate format questions and are part of the test pool of questions for the NCLEX-RN exam.

## What are the 7 electrolytes?

Sodium, calcium, potassium, chloride, phosphate, and magnesium are all electrolytes.

## What are the 3 main electrolytes?

The major electrolytes: sodium, potassium, and chloride.

## What is the normal lab value for potassium?

Normally, your blood potassium level is 3.6 to 5.2 millimoles per liter (mmol/L). A very low potassium level (less than 2.5 mmol/L ) can be life-threatening and requires urgent medical attention.

## What is a lab value skeleton?

These diagrams are referred to as lab value skeletons or fish bones. … Using these skeletons will help you quickly reference your patients lab values without having to run back to the computer to look them up.

## What is in the BMP panel?

This panel measures the blood levels of blood urea nitrogen (BUN), calcium, carbon dioxide, chloride, creatinine, glucose, potassium, and sodium. You may be asked to stop eating and drinking for 10 to 12 hours before you have this blood test.

## What is a Chem 8 panel?

A basic metabolic panel including calcium is sometimes colloquially referred to as a “CHEM-8”. Calcium, as an alkaline earth metal, is also an electrolyte, but abnormalities are more commonly associated with malnutrition, osteoporosis, or malignancy, especially of the thyroid.

## Lab Values Nursing NCLEX Review for Nurses and Nursing Students

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