Medical Lab Technician Exam Questions And Answers!
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Are you preparing for the Medical Lab Technician exam? We have the perfect set of questions and answers for you to prepare. Medical Laboratory Technician is the one who performs all the microscopic and bacteriological operations for medical and research purposes. Take this medical lab technician exam to see how well you perform and compare your score to others.
- 1.What is the normality of a solution of sodium hydroxide (molecular weight=40) containing 20 grams in 100 mL of solution?
- A.
5.0N
- B.
1.0N
- C.
0.5N
- D.
0.4N
- 2.Carbohydrates are organic compounds of 1. carbon 2. hydrogen 33. oxygen
- A.
1 and 2 only
- B.
1 and 3 only
- C.
2 and 3 only
- D.
1,2, and 3
- 3.If test results are within +/-2 standard deviations, the ratio of test results beyond the +/-2 SD limit will be 1 out of
- A.
3
- B.
5
- C.
20
- D.
300
- 4.To make a 1:5 dilution of serum sample, dilute
- A.
1.0 mL of serum + 5.0 mL of diluent
- B.
1.0 mL of serum + 4.0 mL of diluent
- C.
1.0 mL of serum + 6.0 mL of diluent
- D.
5.0 mL of serum + 1.0 mL of diluent
- 5.WHich one of the following is a function of gamma globulin?
- A.
Transports glucose
- B.
Regulates body temperature
- C.
Performs as fibrinogen for blood coagulation
- D.
Provides humoral immunity
- 6.Which instruments do NOT measure concentrations of a particular molecule but of the total ions and molecules in general (number of moles per kilogram of water)?
- A.
Osmometers
- B.
Spectrophotometers
- C.
Blood gas analyzers
- D.
Immunochemical analyzers
- 7.Osmolality of a solution is determined by measuring
- A.
Freezing point depression
- B.
Refractive index
- C.
Specific gravity
- D.
Ionic strength
- 8.Most methods for the determination of blood creatinine are based on the reaction of creatinine and
- A.
Sulfuric acid
- B.
Alkaline picrate
- C.
Acetic anhydride
- D.
Ammonium hydroxide
- 9.All of the following influence glomerular filtration EXCEPT
- A.
Decreased renal blood flow and cardiac failure
- B.
Cardiac failure and renal or urinary calculi
- C.
Renal or urinary calculi and decreased renal blood flow
- D.
Hyperglycemia and renal tubule malfunction
- 10.Unconjugated bilirubin is also known as
- A.
Conjugated bilirubin
- B.
Prehepatic bilirubin
- C.
Total bilirubin
- D.
Biliverdin
- 11.Alkaline phosphatase is GREATLY elevated in
- A.
Kidney disease
- B.
Liver disease
- C.
Myocardial infarction
- D.
Obstructive jaundice
- 12.The ketone bodies include acetoacetic acid, acetone, and
- A.
Lactic acid
- B.
3-hydroxy butyric acid
- C.
Oxaloacetic acid
- D.
Acetic acid
- 13.Blood glucose levels are directly regulated by the hormone
- A.
ACTH
- B.
Insulin
- C.
Thyroxin
- D.
Hydrocortisone
- 14.Albumin, alpha1, alpha2, beta, and gamma globulin are electrophoretic fractions of
- A.
Hemoglobin
- B.
Amino acid
- C.
Serum protein
- D.
Serum lipoprotein
- 15.Which one of the following methods could be used to study protein abnormality?
- A.
Isoenzyme electrophoresis
- B.
Immunoelectrophoresis
- C.
Electrophoresis of penicilliamine-treated serum
- D.
Blood viscosity studies
- 16.Most of the plasma thyroxine (T4) is
- A.
Bound to globulin
- B.
Bound to albumin
- C.
Free
- D.
Bound to cholesterol
- 17.Sodium is responsible for the maintenance of
- A.
Blood coagulation
- B.
Osmotic pressure of body fluids
- C.
Cardiac muscle contractions
- D.
Salt intake
- 18.When using a buffer with a pH of 8.6, each of the serum proteins in an electrical field migrates toward
- A.
The positive pole
- B.
The negative pole
- C.
Either pole
- D.
Both poles
- 19.The end-product of purine metabolism is
- A.
Urea
- B.
Creatine
- C.
Creatinine
- D.
Uric acid
- 20.When six or more consecutive daily values are distributed on one side of the mean but maintain a constant level, it is known as a
- A.
Normal distribution curve
- B.
Mean deviation curve
- C.
Shift
- D.
Trend
- 21.The degree that a procedure deviates from a known value or from a calculated mean value is known as
- A.
Coefficient variation
- B.
Quality control
- C.
Stardard deviation
- D.
Percent deviation
- 22.Which one of the following hemoglobin determination methods is recommended by the International Committee for Clinical Laboratory Standards and the National Committee for Clinical Laboratory Standards?
- A.
Oxyhemoglobin
- B.
Sulfhemoglobin
- C.
Methemoglobin
- D.
Cyanmethemoglobin
- 23.When using white blood cell pipets for performing a white cell count, blood is diluted
- A.
1:200
- B.
1:50
- C.
1:20
- D.
1:10
- 24.An RBC exhibiting hypochromia would be described as being
- A.
Variable in shape
- B.
Packed with hemoglobin
- C.
Markedly bluish in color
- D.
Markedly pale in central color
- 25.When performing automated cell counts, most automated cell counted instruments
- A.
Count nucleated red blood cells with erythrocytes
- B.
Count nucleated red blood cells with platelets
- C.
Count nucleated red blood cells with leukocytes
- D.
Do not count nucleated red blood cells
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