29 Free Test Bank for Clinical Laboratory Hematology 2nd Edition by McKenzie Multiple Choice Questions

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Which of the following formed elements could result in hypoxia if decreased?

• a. Leukocytes
• b. Erythrocytes
• c. Platelets
• d. None of the above

When bilirubin is increased above the reference range, what disease process should be suspected if liver disease is ruled out?

• a. Increased osmotic pressure
• b. Hormone imbalance
• c. Decreased albumin
• d. Increased metabolism of hemoglobin

Which of the following blood cell components would be most influenced in a patient with tonsillitis?

• a. Leukocyte
• b. Erythrocyte
• c. Thrombocyte
• d. Hemoglobin

Which of the following is NOT a cellular component of blood?

• a. Leukocytes
• b. Platelets
• c. Erythrocytes
• d. Albumin

Which of the following could be reflexed from an abnormal RBC count?

• a. Prothrombin time
• b. Blood urea nitrogen
• c. Reticulocyte count
• d. WBC count

The predominant blood leukocyte found in children is the:

• a. Monocyte.
• b. Lymphocyte.
• c. Neutrophil.
• d. Eosinophil.

Which of the following is an expected finding in a newborn?

• a. WBC count = 2 x 109/L
• b. PLT count = 100 x 109/L
• c. Hemoglobin = 17.0 g/dL
• d. RBC count = 3.50 x 109/L

Which two populations account for the greatest difference in reference intervals?

• a. Adults and 12-year-olds
• b. Newborns and 12-year-olds
• c. Newborns and adults
• d. Whites and blacks

All of the following must be taken into consideration when establishing a reference interval for a group of individuals EXCEPT:

• a. The geographic area.
• b. Age of the population.
• c. Occupations of the population.
• d. Sex of the population.

Under a capitated payment plan, the provider is decided upon by whom?

• a. The insurer
• b. The consumer or patient
• c. Health care organizations
• d. Physicians groups

What component of plasma assists in the transport of bilirubin?

• a. Enzymes
• b. Hydrogen
• c. Calcium
• d. Albumin

What percentage of the total blood volume is comprised of formed elements?

• a. 55
• b. 45
• c. 100
• d. 10

The liquid portion of anticoagulated blood is called:

• a. Serum.
• b. Plasma.
• c. Whole blood.
• d. None of the above.

Which of the following blood constituents is associated with increased red blood cell destruction?

• a. Bilirubin
• b. Albumin
• c. Blood urea nitrogen
• d. Immunoglobulins

Which of the following can explain a decrease of erythrocytes?

• a. Blood loss
• b. Infection
• c. Dehydration
• d. Neutropenia

The focus of a clinical pathway is on changing structure and processes to achieve what goal?

• a. Provide assistance in difficult diagnostic cases
• b. Provide better patient outcomes
• c. Develop better communication among the health care team
• d. Decrease laboratory test utilization

An abnormal test result is defined as:

• a. The opposite of a normal test result.
• b. A value that is outside the reference interval for a particular analyte.
• c. A value that is below the reference range for multiple analytes.
• d. A value that is above the reference range for a single analyte.

Which of the following tests could be reflexed from an abnormal prothrombin time?

• a. Molecular analysis of clotting factors
• b. Complete blood count
• c. Measurement of albumin
• d. Hemoglobin analysis

Under Medicare for laboratory testing, what codes are used for billing purposes?

• a. Fee for service
• b. Prospective payment service
• c. Current procedural terminology
• d. Capitated payment plan

Under managed cost plans, laboratory services must be considered as what?

• a. A source of revenue
• b. A managed resource
• c. A reimbursement source
• d. A cost

The protein found in erythrocytes that is responsible for oxygen transport is:

• a. Albumin.
• b. Gamma globulin.
• c. Oxygen protein.
• d. Hemoglobin.

Payment for health care services under Medicare is based on:

• a. PPS.
• b. Fee for services.
• c. Capitated pay.
• d. None of the above.

The cellular component of blood that is involved in hemostasis is:

• a. Leukocyte.
• b. Erythrocyte.
• c. Thrombocyte.
• d. Hemoglobin.

Which of the following is NOT a role of the clinical laboratory professional?

• a. Correlate lab results with appropriate disease states
• b. Correlate lab results with disease pathophysiology
• c. Correlate lab results with treatment
• d. Order reflex tests

What is the main difference between the clinical pathway and the critical pathway?

• a. Nothing; they are the same thing.
• b. The clinical pathway helps determine a method of diagnosis and treatment, whereas a critical pathway occurs after treatment has begun.
• c. Physicians are reimbursed for services based on the clinical pathway used while the laboratory is reimbursed based on a critical pathway.
• d. Critical pathways are developed by the physicians and clinical pathways are developed by the laboratory team.

Which component of blood passes through blood vessel walls into surrounding tissues to defend the body against invading foreign antigens?

• a. Red blood cells
• b. Platelets
• c. Leukocytes
• d. Gamma globulin