4301 to 4350 MCQs for Lab Technician and Technologist Exam Preparation
5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
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Questions 4301 to 4350
- Which blood test provides information about red blood cells, white blood cells, and platelets?
- CBC test ✔️
- Liver function test
- Urine analysis
- Glucose tolerance test
- The CBC test measures the levels of which of the following components in the blood?
- Hormones
- Enzymes
- Blood cells ✔️
- Electrolytes
- The CBC test primarily provides information about which type of blood cells?
- Red blood cells
- White blood cells
- Platelets
- All of the above ✔️
- What is the main function of red blood cells?
- Transporting oxygen ✔️
- Fighting infections
- Forming blood clots
- Regulating body temperature
- Which of the following is responsible for the production of red blood cells?
- Liver
- Spleen
- Bone marrow ✔️
- Kidneys
- Which blood cell type is responsible for fighting infections?
- Red blood cells
- White blood cells ✔️
- Platelets
- Plasma cells
- What is the normal range for red blood cell count in adult males?
- 3.5-5.5 million cells/mcL
- 4.5-5.5 million cells/mcL ✔️
- 3.5-4.5 million cells/mcL
- 5.5-6.5 million cells/mcL
- An abnormally low red blood cell count is known as:
- Anemia ✔️
- Polycythemia
- Leukopenia
- Thrombocytopenia
- What is the normal range for white blood cell count in adults?
- 4,000-11,000 cells/mcL
- 5,000-10,000 cells/mcL ✔️
- 3,500-5,500 cells/mcL
- 12,000-18,000 cells/mcL
- Increased white blood cell count is commonly associated with:
- Anemia
- Infections ✔️
- Allergies
- Dehydration
- Which white blood cell type is responsible for allergic reactions?
- Neutrophils
- Lymphocytes
- Eosinophils ✔️
- Basophils
- Which blood cell type plays a crucial role in blood clotting?
- Red blood cells
- White blood cells
- Platelets ✔️
- Plasma cells
- What is the normal range for platelet count in adults?
- 150,000-450,000 cells/mcL ✔️
- 100,000-300,000 cells/mcL
- 200,000-500,000 cells/mcL
- 50,000-100,000 cells/mcL
- Decreased platelet count is known as:
- Thrombocytosis
- Thrombocytopenia ✔️
- Leukocytosis
- Leukopenia
- What is the average lifespan of a red blood cell?
- 30 days
- 60 days
- 90 days
- 120 days ✔️
- Which blood cell type is responsible for carrying oxygen?
- Red blood cells ✔️
- White blood cells
- Platelets
- Plasma cells
- An increased red blood cell count is known as:
- Anemia
- Polycythemia ✔️
- Leukopenia
- Thrombocytopenia
- Which of the following is not typically measured in a CBC test?
- Hemoglobin
- Hematocrit
- Mean corpuscular volume (MCV)
- Blood glucose level ✔️
- What is the normal range for hemoglobin levels in adult males?
- 12-16 g/dL
- 13-18 g/dL ✔️
- 14-17 g/dL
- 15-20 g/dL
- Hematocrit represents the percentage of blood volume occupied by:
- Red blood cells ✔️
- White blood cells
- Platelets
- Plasma
- Which of the following conditions can cause a low hematocrit value?
- Polycythemia
- Dehydration
- Iron overload
- Chronic kidney disease ✔️
- What is the normal range for mean corpuscular volume (MCV)?
- 70-90 fL
- 80-100 fL ✔️
- 90-110 fL
- 100-120 fL
- An increased mean corpuscular volume (MCV) is often seen in:
- Iron deficiency anemia
- Vitamin B12 deficiency anemia ✔️
- Sickle cell anemia
- Thalassemia
- Which of the following indices provides information about the average size of red blood cells?
- Mean corpuscular volume (MCV) ✔️
- Mean corpuscular hemoglobin (MCH)
- Mean corpuscular hemoglobin concentration (MCHC)
- Red cell distribution width (RDW)
- Mean corpuscular hemoglobin (MCH) represents the average amount of:
- Red blood cells
- White blood cells
- Hemoglobin per red blood cell ✔️
- Platelets
- What is the normal range for mean corpuscular hemoglobin concentration (MCHC)?
- 25-35 g/dL
- 30-40 g/dL
- 33-37 g/dL ✔️
- 35-45 g/dL
- Decreased mean corpuscular hemoglobin concentration (MCHC) can be seen in:
- Iron deficiency anemia
- Sickle cell anemia
- Thalassemia
- All of the above ✔️
- Which index provides information about the variation in red blood cell size?
- Mean corpuscular volume (MCV)
- Mean corpuscular hemoglobin (MCH)
- Mean corpuscular hemoglobin concentration (MCHC)
- Red cell distribution width (RDW) ✔️
- What is the normal range for red cell distribution width (RDW)?
- 10-15%
- 12-17% ✔️
- 15-20%
- 20-25%
- An increased red cell distribution width (RDW) suggests:
- Iron deficiency anemia
- Vitamin B12 deficiency anemia
- Sickle cell anemia ✔️
- Blood loss
- What is the normal range for the neutrophil count?
- 20-40%
- 40-60% ✔️
- 60-80%
- 80-100%
- Neutrophilia refers to an elevated count of:
- Lymphocytes
- Monocytes
- Eosinophils
- Neutrophils ✔️
- A decreased lymphocyte count can be associated with:
- Viral infections ✔️
- Bacterial infections
- Allergies
- Parasitic infections
- Which of the following conditions is characterized by an increased eosinophil count?
- Allergic reactions ✔️
- Bacterial infections
- Autoimmune diseases
- Anemia
- Monocytosis refers to an elevated count of:
- Lymphocytes
- Monocytes
- Eosinophils
- Neutrophils ✔️
- Which white blood cell type is responsible for antibody production?
- Neutrophils
- Lymphocytes ✔️
- Eosinophils
- Basophils
- The CBC test also includes an assessment of the differential white blood cell count, which refers to:
- The overall white blood cell count
- The ratio of red blood cells to white blood cells
- The proportion of each type of white blood cell ✔️
- The platelet count
- Which of the following is not measured in a CBC test?
- Erythrocyte sedimentation rate (ESR)
- Red blood cell indices
- Mean platelet volume (MPV)
- Total serum protein ✔️
- The CBC test can provide information about the presence of:
- Bacterial infections
- Viral infections
- Parasitic infections
- All of the above ✔️
- The CBC test is commonly used to diagnose and monitor which of the following conditions?
- Anemia
- Leukemia
- Infections
- All of the above ✔️
- In the CBC test, what does the term “differential” refer to?
- The difference between red and white blood cells
- The difference between platelets and white blood cells
- The difference between neutrophils and lymphocytes ✔️
- The difference between hemoglobin and hematocrit
- What is the normal range for basophil count in adults?
- 0-1% ✔️
- 1-3%
- 3-5%
- 5-10%
- An increased basophil count can be seen in:
- Allergic reactions ✔️
- Bacterial infections
- Autoimmune diseases
- Iron deficiency anemia
- Which of the following conditions is associated with a high total white blood cell count?
- Infection ✔️
- Anemia
- Dehydration
- Thrombocytopenia
- What does the term “CBC with differential” mean?
- A CBC that includes RBCs and WBCs
- A CBC that includes RBCs, as well as platelets
- A CBC that includes RBCs and WBCs, as well as the proportion of different WBCS types ✔️
- A CBC that includes the measurement of Hb% and hct
- Which of the following conditions can cause a decrease in both red and white blood cells?
- Iron deficiency anemia
- Sickle cell anemia
- Bone marrow failure ✔️
- Polycythemia vera
- A high mean corpuscular volume (MCV) and low red blood cell count can be seen in:
- Iron deficiency anemia
- Vitamin B12 deficiency anemia ✔️
- Sickle cell anemia
- Thalassemia
- What is the normal range for mean platelet volume (MPV)?
- 5-10 fL
- 7-12 fL ✔️
- 10-15 fL
- 15-20 fL
- Increased mean platelet volume (MPV) can be seen in:
- Thrombocytopenia
- Iron deficiency anemia
- Thrombocytosis ✔️
- Sickle cell anemia
- What is the normal range for the reticulocyte count?
- 0-1%
- 1-2% ✔️
- 2-3%
- 3-4%
- The reticulocyte count is a measure of:
- Red blood cell maturity ✔️
- White blood cell activity
- Platelet function
- Plasma protein levels
- A high reticulocyte count can indicate:
- Anemia ✔️
- Polycythemia
- Hemorrhage
- Bone marrow suppression
- The CBC test is typically performed using which blood sample?
- Arterial blood
- Venous blood ✔️
- Capillary blood
- Umbilical blood
- What is the purpose of the CBC test?
- To assess liver function
- To measure blood glucose levels
- To evaluate kidney function
- To assess the overall health of blood cells ✔️
- Which of the following can affect the results of a CBC test?
- Medications
- Recent blood transfusions
- Recent infections
- All of the above ✔️
- How long does it typically take to get the results of a CBC test?
- A few minutes
- A few hours ✔️
- A few days
- A few weeks
- Which of the following factors can cause a false increase in the red blood cell count?
- Dehydration ✔️
- Iron deficiency
- Vitamin B12 deficiency
- Chronic kidney disease
- In addition to blood disorders, the CBC test can provide information about:
- Liver function
- Kidney function
- Inflammatory conditions
- All of the above ✔️
- Which of the following is not a component of the CBC test?
- Hemoglobin A1c ✔️
- White blood cell count
- Platelet count
- Red blood cell count
- Which of the following is a potential complication of a CBC test?
- Bleeding at the site of blood draw
- Allergic reaction to the needle
- Infection at the blood draw site
- All of the above ✔️
- The CBC test is commonly ordered for which of the following reasons?
- Routine health check-up
- Evaluation of unexplained symptoms
- Monitoring the effects of treatment
- All of the above ✔️
- Which of the following is not a type of white blood cell?
- Neutrophil
- Lymphocyte
- Thrombocyte ✔️
- Eosinophil
- The CBC test can help detect which of the following blood disorders?
- Iron deficiency anemia
- Leukemia
- Thalassemia
- All of the above ✔️
- Which of the following is not measured directly in a CBC test?
- Red blood cell count
- White blood cell count
- Hemoglobin level
- Serum electrolyte levels ✔️
- The CBC test can provide information about the body’s immune response through the measurement of:
- Neutrophils
- Lymphocytes ✔️
- Eosinophils
- Basophils
- What is the normal range for the lymphocyte count?
- 20-40%
- 40-60% ✔️
- 60-80%
- 80-100%
- Which of the following conditions can cause an increased lymphocyte count?
- Viral infections
- Bacterial infections
- Allergies
- All of the above ✔️
- A low neutrophil count can be associated with:
- Viral infections ✔️
- Bacterial infections
- Allergies
- Parasitic infections
- What is the normal range for the eosinophil count?
- 0-1%
- 1-3% ✔️
- 3-5%
- 5-10%
- An increased eosinophil count can be seen in:
- Allergic reactions ✔️
- Bacterial infections
- Autoimmune diseases
- Anemia
- Which of the following conditions can cause an increased monocyte count?
- Chronic inflammation
- Bacterial infections
- Autoimmune diseases
- All of the above ✔️
- The CBC test measures the concentration of which plasma protein?
- Albumin
- Fibrinogen
- Globulin
- Hemoglobin ✔️
- What is the normal range for the red cell distribution width (RDW)?
- 10-15%
- 12-17% ✔️
- 15-20%
- 20-25%
- An increased red cell distribution width (RDW) suggests:
- Iron deficiency anemia
- Vitamin B12 deficiency anemia
- Sickle cell anemia ✔️
- Blood loss
- The CBC test includes the measurement of which red blood cell indices?
- Mean corpuscular volume (MCV)
- Mean corpuscular hemoglobin (MCH)
- Mean corpuscular hemoglobin concentration (MCHC)
- All of the above ✔️
- What is the normal range for the mean corpuscular volume (MCV)?
- 70-90 fL
- 80-100 fL ✔️
- 90-110 fL
- 100-120 fL
- An increased mean corpuscular volume (MCV) can be seen in:
- Vitamin B12 deficiency anemia
- Iron deficiency anemia
- Thalassemia
- All of the above ✔️
- What is the normal range for the mean corpuscular hemoglobin (MCH)?
- 20-30 pg
- 25-35 pg
- 30-40 pg ✔️
- 35-45 pg
- An increased mean corpuscular hemoglobin (MCH) can be seen in:
- Megaloblastic anemia ✔️
- Iron deficiency anemia
- Thalassemia
- Sickle cell anemia
- What is the normal range for mean corpuscular hemoglobin concentration (MCHC)?
- 25-35 g/dL
- 30-40 g/dL
- 33-37 g/dL ✔️
- 35-45 g/dL
- Decreased mean corpuscular hemoglobin concentration (MCHC) can be seen in:
- Iron deficiency anemia
- Sickle cell anemia
- Thalassemia
- All of the above ✔️
- Which index provides information about the variation in red blood cell size?
- Mean corpuscular volume (MCV)
- Mean corpuscular hemoglobin (MCH)
- Mean corpuscular hemoglobin concentration (MCHC)
- Red cell distribution width (RDW) ✔️
- What is the normal range for red cell distribution width (RDW)?
- 10-15%
- 12-17% ✔️
- 15-20%
- 20-25%
- An increased red cell distribution width (RDW) suggests:
- Iron deficiency anemia
- Vitamin B12 deficiency anemia
- Sickle cell anemia ✔️
- Blood loss
- What is the normal range for the neutrophil count?
- 20-40%
- 40-60% ✔️
- 60-80%
- 80-100%
- Neutrophilia refers to an elevated count of:
- Lymphocytes
- Monocytes
- Eosinophils
- Neutrophils ✔️
- A decreased lymphocyte count can be associated with:
- Viral infections ✔️
- Bacterial infections
- Allergies
- Parasitic infections
- Which of the following conditions is characterized by an increased eosinophil count?
- Allergic reactions ✔️
- Bacterial infections
- Autoimmune diseases
- Anemia
- Monocytosis refers to an elevated count of:
- Lymphocytes
- Monocytes ✔️
- Eosinophils
- Neutrophils
- Which of the following conditions can cause an increased monocyte count?
- Chronic inflammation
- Bacterial infections
- Autoimmune diseases
- All of the above ✔️
- What is the normal range for platelet count?
- 150,000-450,000 per microliter ✔️
- 200,000-500,000 per microliter
- 250,000-550,000 per microliter
- 300,000-600,000 per microliter
- Thrombocytopenia refers to a low count of:
- Red blood cells
- White blood cells
- Platelets ✔️
- Neutrophils
- Thrombocytosis refers to a high count of:
- Red blood cells
- White blood cells
- Platelets ✔️
- Lymphocytes
- An increased mean platelet volume (MPV) can be seen in:
- Thrombocytopenia
- Iron deficiency anemia
- Thrombocytosis ✔️
- Sickle cell anemia
- What is the normal range for mean platelet volume (MPV)?
- 5-10 fL
- 7-12 fL ✔️
- 10-15 fL
- 15-20 fL
- The presence of schistocytes on a blood smear may indicate:
- Hemolytic anemia ✔️
- Iron deficiency anemia
- Thalassemia
- Leukemia
- The CBC test can provide information about which of the following blood disorders?
- Hemophilia
- Hemochromatosis
- Thrombocytopenia ✔️
- All of the above
- The CBC test can detect which of the following types of anemia?
- Pernicious anemia
- Aplastic anemia
- Hemolytic anemia
- All of the above ✔️
- The CBC test measures the concentration of which plasma protein?
- Albumin
- Fibrinogen
- Globulin
- Hemoglobin ✔️
- Which of the following factors can affect the results of a CBC test?
- Medications
- Recent blood transfusions
- Recent infections
- All of the above ✔️
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
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