Which of the following tests would be most affected by microclots in an EDTA tube drawn for a CBC? Please select the single best answer RBC Hematocrit Hemoglobin Platelet count
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Which of the following tests would be most affected by microclots in an EDTA tube drawn for a CBC?
Please select the single best answer
RBC | |
Hematocrit | |
Hemoglobin | |
Platelet count |
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- A 1:200 dilution of a patient's sample was made and 330 red blood cells were counted in an area of 0.2 mm². What is the RBC count?All of the following can lead to a false Increase of platelet count on automated analyzer EXCEPT: Schistocytes O Microcytic RBCS Giant platelets Cryoglobulinspatient can receive blood from any donor, using just the ABO and Rh typing criteria.(we will disregard the other minor groups). Which blood group do you think the patient belongs to? options: A- B+ AB+ O-
- I want to do a manual white blood cell differential count on this photo. I just need help with counting how many of each type of WBC there are (example: Lymphocyes-15, Segmented Neutrophils-12, monocytes-7, basophils-3, etc.) **** please note the smudged cells don't need to be counted! Just skip those plsA 25 year old male became a chronic alcoholic after dropping out of university. His mother reported that he had been very cranky lately. She attributed this condition to his frustrations with school. He was referred to the hospital laboratory from his community clinic because he was lethargic and pale. A CBC was ordered. Laboratory Data The following determinations were obtained: Hemoglobin 6.5 g/L Hematocrit 22% Total RBC count 3.0 x 1012/L Total WBC count 8.0 x 10/L Normal Vitamin B12 and Folate Elevated Ferritin The peripheral blood smear revealed dense, dark-staining particles in some of the RBCS. Questions 1. What are the erythrocyte indices in this patient? 2. How can this anemia be classified? 3. What are the dark-staining granules in the erythrocytes? What is their origin?Why do you discard the first four drops of the diluting fluid drawn up to 101 mark from the pipet? Name the different RBC diluting fluids. Why is Formol-citrate the best RBC diluting fluid? In case of polycythemia, the count is 8.0 x 10¹²/L, Explain the variation in technique.
- Discriminate between clot retraction test results in haemophilia and thrombocytopenia. Give the factors that contribute to normal clot retraction. Your answerA 38-year-old white woman was treated in the emergency department for severe lacerations and abdominal injuries sustained in an automobile accident. She was admitted to the hospital for observation and further evaluation. On admission, a complete blood count (CBC), urinalysis, and radiograph series were ordered. Her CBC results were as follows: Hemoglobin 10.5 g/dL Hct 34% RBC 3.8 × 1012/L WBC 12.0 × 109 /L The RBC indices were as follows: MCV 89.6 fL MCH 27.6 pg MCHC 31 g/dL The peripheral blood smear showed essentially normal RBC morphology and platelet distribution. Forty-eight hours after admission, a stat repeat CBC was ordered. The results were as follows: Hemoglobin 8.0 g/dL Hct 26% RBC 2.9 × 1012/L WBC 15.5 × 109 /L The RBC indices were all within their normal ranges. A peripheral blood smear showed normal RBC morphology, although some polychromatophilia was noted. The distribution of platelets had increased. A follow-up platelet count was 0.60 × 1012/L.…A 38-year-old white woman was treated in the emergency department for severe lacerations and abdominal injuries sustained in an automobile accident. She was admitted to the hospital for observation and further evaluation. On admission, a complete blood count (CBC), urinalysis, and radiograph series were ordered. Her CBC results were as follows: Hemoglobin 10.5 g/dL Hct 34% RBC 3.8 × 1012/L WBC 12.0 × 109 /L The RBC indices were as follows: MCV 89.6 fL MCH 27.6 pg MCHC 31 g/dL The peripheral blood smear showed essentially normal RBC morphology and platelet distribution. Forty-eight hours after admission, a stat repeat CBC was ordered. The results were as follows: Hemoglobin 8.0 g/dL Hct 26% RBC 2.9 × 1012/L WBC 15.5 × 109 /L The RBC indices were all within their normal ranges. A peripheral blood smear showed normal RBC morphology, although some polychromatophilia was noted. The distribution of platelets had increased. A follow-up platelet count was 0.60 × 1012/L.…
- A 38-year-old white woman was treated in the emergency department for severe lacerations and abdominal injuries sustained in an automobile accident. She was admitted to the hospital for observation and further evaluation. On admission, a complete blood count (CBC), urinalysis, and radiograph series were ordered. Her CBC results were as follows: Hemoglobin 10.5 g/dL Hct 34% RBC 3.8 × 1012/L WBC 12.0 × 109 /L The RBC indices were as follows: MCV 89.6 fL MCH 27.6 pg MCHC 31 g/dL The peripheral blood smear showed essentially normal RBC morphology and platelet distribution. Forty-eight hours after admission, a stat repeat CBC was ordered. The results were as follows: Hemoglobin 8.0 g/dL Hct 26% RBC 2.9 × 1012/L WBC 15.5 × 109 /L The RBC indices were all within their normal ranges. A peripheral blood smear showed normal RBC morphology, although some polychromatophilia was noted. The distribution of platelets had increased. A follow-up platelet count was 0.60 × 1012/L. Subsequently,…With the results below, do you think the patient requires a transfusion? Using current guidlines to support your answer , explain your reason. Investigation Result (normal range - female) Haematology Red cell count (x 1012/L) 4.0 (3.8 – 5.8) Haemoglobin (g/L) 123 (115 – 165) White cell count (x 109/L) 8.1 (3.6 – 11.0) neutrophils 2.9 (1.8 – 7.5) lymphocytes 4.5 (1.0 – 4.0) monocytes 0.62 (0.2 – 0.8) eosinophils 0.10 (0.1 – 0.4) basophils 0.02 (0.02 – 0.1) Platelets (x 109/L) 138 (140 – 400) Prothrombin Time (s) 20 (10 – 14) Activated Partial Thromboplastin Time (s) 45 (22 – 36) Biochemistry Serum Bilirubin (µmol/L) 50 (≤21) Serum ALP (IU/L) 300 (30 – 130) Serum AST (IU/L) 527 (≤32) Serum ALT (IU/L) 650 (10 – 35) Serum albumin (g/L) 37 (35 – 50) Urine: Microscopy Faeces: Microscopy WBC <5 per ml No Cryptosporidium seen RBC <5…The standard clotting/coagulation screen (PT, APTT, fibrinogen) and platelet count is the most used test for the diagnosis of DIC. Explain the limitations of these parameters in this method of diagnosis using examples to illustrate your answer.