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Principles of Medical Laboratory Science 2 > Laboratory > Flashcards

Laboratory Flashcards

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1
Q

A basic screening test and is one of the most frequently ordered laboratory tests in the Hematology Section.

A

Complete Blood Count (CBC)

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2
Q

The most commonly used specimen for CBC is:

A

Whole Blood

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3
Q

A pathological condition that involves increased number of leukocytes in the blood, indicating an infection during WBC count.

A

Leukocytosis

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4
Q

The percentage of each cell type of WBC, e.g. neutrophil, eosinophil, basophil, lymphocyte, and monocyte, is reported by means of which CBC component?

A

Differential Leukocyte Count

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5
Q

Increased number of NEUTROPHILS during Differential Leukocyte Count would likely indicate:

A

Bacterial Infection

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6
Q

Increased number of EOSINOPHILS and BASOPHILS during a Differential Leukocyte Count would likely indicate:

A

Allergic Disorders and Parasitism

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7
Q

Increased number of MONOCYTES during a Differential Leukocyte Count would likely indicate:

A

Chronic Infection

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8
Q

Increased number of LYMPHOCYTES during a Differential Leukocyte Count would likely indicate:

A

Viral Infection

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9
Q

Which type/s of WBCs would be increased in case of bacterial infection?

A

Neutrophil

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10
Q

Which type/s of WBCs would be increased in case of allergic disorders and parasitism?

A

Eosinophil and Basophil

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11
Q

Which type/s of WBCs would be increased in case of chronic infection?

A

Monocyte

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12
Q

Which type/s of WBCs would be increased in case of viral infection?

A

Lymphocyte

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13
Q

They carry oxygen from the lungs to the body tissues.

A

Erythrocytes or Red Blood Cells (RBCs)

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14
Q

To transfer carbon dioxide from the tissues to the lungs, which component of RBCs combines readily with O2 and CO2?

A

Hemoglobin

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15
Q

Decreased RBC count could be an indication of:

A

Anemia

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16
Q

It serves as a vehicle for the transportation of oxygen and carbon dioxide, giving the RBC the characteristic red color.

A

Hemoglobin

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17
Q

Which component of CBC determines the percentage of packed RBC in whole blood?

A

Hematocrit

18
Q

Under Hematocrit determination, plasma and blood cells are separated by:

A

Centrifugation

19
Q

Under Hematocrit determination, what is being measured after centrifugation as it could indicate whether the body is producing less or too much RBCs?

A

Height of RBC Column

20
Q

It is a component of CBC which is used to evaluate bleeding disorders, bone marrow diseases, and excessive clotting disorders?

A

Platelet or Thrombocyte Count

21
Q

This component of whole blood plays a crucial role/function in the coagulation of blood.

A

Platelets or Thrombocytes

22
Q

When a patient is diagnosed with dengue fever, he or she is likely to have (increased, decreased) platelet count.

A

Decreased

23
Q

The determination of various coagulation factors is performed under:

A

Coagulation Studies

24
Q

These are proteins circulating in the blood that are essential for proper blood clot formation.

A

Coagulation Factors

25
Q

‘PT’ under Coagulation Studies stands for:

A

Prothrombin Time

26
Q

‘aPTT’ under Coagulation Studies stands for:

A

Activated Partial Thromboplastin Time

27
Q

True or False

Aside from PT and aPTT, Coagulation Studies may also encompass the assessment of blood clotting functions in patients.

A

True

28
Q

What is the most commonly used specimen in the Clinical Chemistry Section of a Clinical Laboratory?

A

Serum

29
Q

True or False

Blood to which an anticoagulant has been added will clot.

A

FALSE

Blood + Anticoagulant = UNCLOTTED BLOOD

30
Q

True or False

If a blood is mixed with an anticoagulant, blood cells will settle to the bottom of the tube leaving serum at the top of the tube.

A

FALSE

Blood + Anticoagulant = UNCLOTTED BLOOD = PLASMA

31
Q

When blood to which an anticoagulant has been added does not exhibit clotting, it would eventually form three layers. Which among these three would contain WBCs and platelets?

A

Middle Layer, BUFFY COAT

32
Q

True or False

Blood to which NO anticoagulant has been added will clot.

A

TRUE

33
Q

True or False

In a clotted blood, blood cells get caught in the clot which leaves plasma behind.

A

FALSE

CLOTTED BLOOD = SERUM

34
Q

Which analyte is a product of carbohydrate metabolism which serves as the chief source of energy for living organisms?

A

Glucose

35
Q

Utilization of glucose is controlled by which hormone?

A

Insulin

36
Q

Fasting Blood Sugar requires which type of blood specimen?

A

Fasting Specimen

37
Q

Ideal fasting hours for FBS testing.

A

10 hours

38
Q

Which test under the Clinical Chemistry section is used to screen for hyperglycemia and hypoglycemia; to help in the diagnosis of diabetes mellitus; and to monitor glucose levels in persons with diabetes?

A

Fasting Blood Sugar (FBS)

39
Q

What are the three analytes that play relative clinical significance in Renal Function Tests?

A

Urea, Creatinine, and Uric Acid

40
Q

It is considered as the end product of protein metabolism that is normally cleared from the blood by the kidney into the urine.

A

Urea

41
Q

It is formed by the breakdown of creatine during muscle metabolism.

A

Creatinine

Principles of Medical Laboratory Science 2 (2 decks)

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