Normal Lab Values
Normal Lab and Diagnostic Values
Questions and Answers
- 1.
What is normal Red Blood Count?
- A.
4.6-6.0
- B.
6.0-8.0
- C.
2.0-3.0
- D.
6.4-8.6
Correct Answer
A. 4.6-6.0Explanation
The normal red blood count range is typically between 4.6 and 6.0. This refers to the number of red blood cells per microliter of blood. These cells are responsible for carrying oxygen throughout the body. Any count below or above this range may indicate an abnormality in the blood, such as anemia or polycythemia.Rate this question:
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- 2.
What is normal Hemoglobin?
- A.
20-25.5 g/dl
- B.
10-12 g/dl
- C.
14-18.5 g/dl
- D.
18.5-20.4 g/dl
Correct Answer
C. 14-18.5 g/dlExplanation
Normal hemoglobin levels typically range from 14-18.5 g/dl. Hemoglobin is a protein found in red blood cells that carries oxygen throughout the body. This range is considered normal for adults and may vary slightly depending on factors such as age, sex, and overall health. Higher or lower hemoglobin levels can indicate certain medical conditions, such as anemia or dehydration. Regular blood tests can help monitor hemoglobin levels and ensure they are within the normal range.Rate this question:
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- 3.
What is normal Hematocrit?
- A.
10-20%
- B.
32.5-34.3%
- C.
5-15.5%
- D.
41.0-51.0%
Correct Answer
D. 41.0-51.0%Explanation
The normal hematocrit refers to the percentage of red blood cells in the total blood volume. A hematocrit level of 41.0-51.0% is considered normal for adults. This range indicates a healthy balance of red blood cells in the blood, which is essential for oxygen transport and overall bodily functions. Hematocrit levels outside of this range may indicate certain medical conditions such as anemia or polycythemia.Rate this question:
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- 4.
What is the normal amount of White Blood Cells in a Complete Blood Count?
- A.
11,000-15,000
- B.
1,000-2,000
- C.
4,500-11,000
- D.
30,000-35,000
Correct Answer
C. 4,500-11,000Explanation
The normal amount of White Blood Cells in a Complete Blood Count is 4,500-11,000. This range represents the typical number of white blood cells found in a healthy individual's blood. White blood cells are an important part of the immune system and are responsible for fighting off infections and diseases. A count below or above this range may indicate an underlying health issue that requires further investigation and treatment.Rate this question:
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- 5.
Normal amount of NEUTROPHILS in Complete Blood Count?
- A.
10-15%
- B.
50-70%
- C.
5-8%
- D.
1-2%
Correct Answer
B. 50-70%Explanation
The normal amount of neutrophils in a complete blood count is 50-70%. Neutrophils are a type of white blood cell that play a crucial role in the immune system's response to infections. This range is considered normal because neutrophils are the most abundant type of white blood cell and are responsible for fighting off bacterial infections. Having a higher percentage of neutrophils indicates an active immune response, while a lower percentage may suggest a weakened immune system or other underlying health conditions.Rate this question:
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- 6.
Normal amount of LYMPHOCYTES in Complete Blood Count?
- A.
0-2%
- B.
10-25%
- C.
50-90%
- D.
18-42%
Correct Answer
D. 18-42%Explanation
The normal amount of lymphocytes in a complete blood count is 18-42%. Lymphocytes are a type of white blood cell that play a crucial role in the immune system. They help to defend the body against infections and diseases. The range provided represents the percentage of lymphocytes in relation to the total white blood cell count. A percentage within this range indicates a healthy immune system, while values outside of this range may suggest an underlying medical condition.Rate this question:
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- 7.
Normal amount of MONOCYTES in Complete Blood Count?
- A.
2-11%
- B.
90-95%
- C.
80-90%
- D.
1%
Correct Answer
A. 2-11%Explanation
The normal amount of monocytes in a complete blood count is typically between 2-11%. Monocytes are a type of white blood cell that play a role in the immune response by helping to fight off infections and remove dead or damaged cells from the body. This range is considered normal and indicates a healthy immune system.Rate this question:
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- 8.
Normal Amount of EOSINOPHILS in Complete Blood Count?
- A.
24-28%
- B.
1-3%
- C.
7-8%
- D.
39-49%
Correct Answer
B. 1-3%Explanation
Eosinophils are a type of white blood cell that play a role in the immune response, particularly in allergic reactions and parasitic infections. In a complete blood count, the normal amount of eosinophils is typically around 1-3% of the total white blood cell count. This low percentage is considered normal because eosinophils are usually present in small numbers in the bloodstream. Higher percentages may indicate an allergic reaction, asthma, or certain infections, while lower percentages may suggest certain types of bone marrow disorders or drug reactions.Rate this question:
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- 9.
Normal Amount of BASOPHILS in Complete Blood Count?
- A.
20-25%
- B.
80-90%
- C.
7-10%
- D.
0-2%
Correct Answer
D. 0-2%Explanation
The normal amount of basophils in a complete blood count is 0-2%. Basophils are a type of white blood cell that play a role in the immune response and allergic reactions. A higher percentage of basophils may indicate an underlying medical condition such as an infection or inflammation. Conversely, a lower percentage may suggest a decrease in immune function. Therefore, a normal range of 0-2% is considered within the healthy range.Rate this question:
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- 10.
Normal Platelet Count in Complete Blood Count?
- A.
1,000-2,000
- B.
100,000-120,000
- C.
10,000-20,000
- D.
150,000-450,000
Correct Answer
D. 150,000-450,000Explanation
The normal platelet count in a complete blood count is typically between 150,000 and 450,000. Platelets are important for blood clotting and preventing excessive bleeding. A count below 150,000 may indicate a low platelet count (thrombocytopenia), which can lead to increased bleeding and bruising. On the other hand, a count above 450,000 may indicate a high platelet count (thrombocytosis), which can increase the risk of blood clots. Therefore, the range of 150,000-450,000 is considered the normal range for platelet count.Rate this question:
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- 11.
Normal SEDIMENTATION RATE in Complete Blood Count?
- A.
40-50 mm/hr
- B.
90-100 mm/hr
- C.
0-20 mm/hr
- D.
50-60 mm/hr
Correct Answer
C. 0-20 mm/hrExplanation
The normal sedimentation rate in a complete blood count is typically between 0-20 mm/hr. This measurement indicates the rate at which red blood cells settle in a tube over a specific period of time. A higher sedimentation rate can indicate inflammation or infection in the body, while a lower rate is generally considered normal.Rate this question:
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- 12.
Normal Values for FASTING BLOOD GLUCOSE
- A.
65-100 mg/dl
- B.
25-30 mg/dl
- C.
5-10 mg/dl
- D.
20-40 mg/dl
Correct Answer
A. 65-100 mg/dlExplanation
The normal values for fasting blood glucose levels range from 65 to 100 mg/dl. This means that a healthy individual's blood glucose level after fasting should fall within this range. This range is considered normal because it indicates that the body is effectively regulating blood sugar levels. Blood glucose levels below or above this range may indicate hypoglycemia or hyperglycemia, respectively, which can be indicative of certain health conditions such as diabetes.Rate this question:
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- 13.
There is NO PREP for a FASTING BLOOD GLUCOSE TEST
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement "There is NO PREP for a FASTING BLOOD GLUCOSE TEST" is incorrect. A fasting blood glucose test requires the individual to abstain from eating or drinking anything except water for a certain period of time, usually 8 to 12 hours, before the test. This is necessary to obtain accurate results as it helps to measure the glucose levels in the blood after an overnight fast. Therefore, the correct answer is False.Rate this question:
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- 14.
Normal Values for A1C? NON DIABETIC
- A.
- B.
- C.
- D.
Correct Answer
D. -
- 15.
Normal values for A1C? DIABETIC
- A.
- B.
- C.
- D.
Correct Answer
A. -
- 16.
What is Normal Partial Thromboplastin Time? (PTT)
- A.
10-12 sec
- B.
2-5 sec
- C.
25-35 sec
- D.
60-80 sec
Correct Answer
C. 25-35 secExplanation
Normal Partial Thromboplastin Time (PTT) refers to the time it takes for blood to clot. A PTT range of 25-35 seconds is considered normal. This means that it takes between 25 to 35 seconds for the blood to clot when certain clotting factors are activated. If the PTT is shorter or longer than this range, it may indicate a clotting disorder or other underlying health condition.Rate this question:
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- 17.
Heparin is a normal therapy for increased PTT time
- A.
True
- B.
False, Coumadin is
Correct Answer
A. TrueExplanation
Heparin is commonly used as a therapeutic agent to increase the Partial Thromboplastin Time (PTT). PTT measures the time it takes for blood to clot, and an increased PTT indicates a longer clotting time. Heparin works by inhibiting the formation of blood clots, making it an effective treatment for conditions such as deep vein thrombosis, pulmonary embolism, and atrial fibrillation. Coumadin, on the other hand, is an anticoagulant that is used for long-term management of clotting disorders. Therefore, the statement that Heparin is a normal therapy for increased PTT time is true.Rate this question:
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- 18.
Coumadin is used for an increased PTT time
- A.
True
- B.
False, Heparin is used
Correct Answer
B. False, Heparin is usedExplanation
Heparin, not Coumadin, is used for an increased PTT (partial thromboplastin time). Coumadin, also known as warfarin, is an anticoagulant medication used to prevent blood clots and reduce the risk of stroke or heart attack. It works by inhibiting the production of certain clotting factors in the liver. On the other hand, Heparin is a fast-acting anticoagulant that is commonly used in hospitals to prevent or treat blood clots. It works by inhibiting the formation of blood clots and preventing existing clots from getting larger.Rate this question:
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- 19.
Normal Prothrombin time (PT) is 10-14 seconds
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement is true because the normal Prothrombin time (PT) range is indeed 10-14 seconds. PT is a blood test that measures the time it takes for blood to clot. This test is commonly used to assess the function of the clotting factors in the blood and to monitor the effectiveness of certain medications, such as blood thinners. A PT result within the normal range indicates that the blood is clotting properly, while a result outside the normal range may suggest a bleeding disorder or an increased risk of clotting.Rate this question:
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- 20.
Normal INR value.
- A.
1.00-1.30
- B.
100-130
- C.
7.5-7.9
- D.
28-30.5
Correct Answer
A. 1.00-1.30Explanation
The correct answer is 1.00-1.30. This range represents the normal values for INR (International Normalized Ratio), which is a measure of how long it takes for blood to clot. A value within this range indicates that the blood is clotting normally. Values below 1.00 may suggest that the blood is clotting too quickly, while values above 1.30 may indicate that the blood is clotting too slowly. It is important to monitor INR levels, especially for individuals on anticoagulant therapy, to ensure that the blood is clotting within the desired range.Rate this question:
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- 21.
Normal Serum Cholesterol
- A.
- B.
- C.
- D.
Correct Answer
D. -
- 22.
Normal HDL values are >40 mg/dl
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Normal HDL values are indeed greater than 40 mg/dl. HDL, which stands for high-density lipoprotein, is often referred to as "good" cholesterol as it helps remove excess cholesterol from the bloodstream and carries it back to the liver for processing. Higher levels of HDL are associated with a lower risk of heart disease. Therefore, a value greater than 40 mg/dl is considered within the normal range for HDL.Rate this question:
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- 23.
Normal LDL values are
- A.
- B.
- C.
- D.
Correct Answer
C. -
- 24.
Normal Serum Triglycerides are:
- A.
- B.
- C.
- D.
Correct Answer
A.Explanation
Normal Serum Triglycerides are the levels of triglycerides found in the bloodstream. Triglycerides are a type of fat that circulates in the blood and are a major source of energy for the body. High levels of triglycerides can increase the risk of heart disease and other health problems, while low levels are generally considered healthier. The normal range for serum triglycerides varies depending on factors such as age, sex, and overall health. It is important to maintain healthy triglyceride levels through a balanced diet, regular exercise, and lifestyle changes if necessary.Rate this question:
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- 25.
Normal SERUM ALBUMIN level is 3.5-5.0 g/dl
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement is true. The normal serum albumin level is indeed 3.5-5.0 g/dl. Serum albumin is a protein found in the blood and plays a crucial role in maintaining the osmotic pressure of the blood, transporting various substances, and regulating fluid balance. A level below or above the normal range may indicate certain medical conditions or imbalances in the body.Rate this question:
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- 26.
These values are all NEGATIVE in a Urinalysis
- A.
ALBUMIN
- B.
ODOR
- C.
GLUCOSE
- D.
KETONES
- E.
LEUKOCYTE ESTERASE
- F.
BACTERIA
- G.
ALL OF THE ABOVE
Correct Answer
G. ALL OF THE ABOVEExplanation
All of the given values - albumin, odor, glucose, ketones, leukocyte esterase, and bacteria - can be detected in a urinalysis and are considered abnormal when they are present in negative amounts.Rate this question:
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- 27.
The APPEARANCE of urine is YELLOW
- A.
True
- B.
False, that is the color
Correct Answer
B. False, that is the colorExplanation
The statement "False, that is the color" suggests that the given statement "The APPEARANCE of urine is YELLOW" is incorrect. It implies that the color of urine is not yellow.Rate this question:
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- 28.
The normal pH for Urine is:
- A.
4.6-6.8
- B.
8.0-9.0
- C.
1.0-2.3
- D.
3.4-3.8
Correct Answer
A. 4.6-6.8Explanation
The correct answer is 4.6-6.8. The pH level of urine can vary depending on various factors such as diet, hydration, and certain medical conditions. A normal pH range for urine is slightly acidic to slightly alkaline, and 4.6-6.8 falls within this range. This range indicates a healthy balance of acids and bases in the body and is important for proper functioning of the urinary system.Rate this question:
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- 29.
Normal RBC Value in URINALYSIS
- A.
0-5 per HPF
- B.
12-15 per HPF
- C.
10-12 per HPF
- D.
80-100 per HPF
Correct Answer
A. 0-5 per HPFExplanation
The normal RBC value in urinalysis is 0-5 per HPF. This means that in a high power field (HPF) under a microscope, it is normal to see 0-5 red blood cells (RBCs). If the number of RBCs is higher than this range, it may indicate a potential health issue such as kidney disease, urinary tract infection, or bladder infection. Therefore, a normal RBC value in urinalysis is 0-5 per HPF.Rate this question:
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- 30.
Normal WBC value in URINALYSIS
- A.
80
- B.
6-9
- C.
12-15
- D.
0-5
Correct Answer
D. 0-5Explanation
The normal WBC (white blood cell) value in urinalysis is 0-5. This means that a healthy individual typically has between 0 and 5 white blood cells per high power field when their urine is examined under a microscope. Higher levels of WBCs in the urine may indicate an infection or inflammation in the urinary tract.Rate this question:
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- 31.
There are MANY crystals in a normal Urinalysis
- A.
True
- B.
False, FEW
Correct Answer
B. False, FEWExplanation
The correct answer is False because a normal urinalysis typically does not show many crystals. Crystals in urine can indicate various health conditions, but in a normal urinalysis, only a few crystals may be present, if any. Therefore, the statement that there are many crystals in a normal urinalysis is incorrect.Rate this question:
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