Reference no: EM132542355
1) In a double-beam photometer, the additional beam is used to:
a. Compensate for variation in slit-widths
b. Correct for changes in light path
c. Correct the variation in light source intensity
d. Compensate for variation in wavelength
2) The process that encompasses all aspects of laboratory operation including patient identification, specimen collection, equipment maintenance, and the reporting of patient results is:
a. Accuracy
b. Reliability
c. Quality assurance
d. Quality control
3) A Medical Technologist on duty in the Clinical Chemistry Section received a sterile bottle containing CSF. What should he or she do first?
a. Centrifuge the fluid
b. Measure the volume.
c. Put it inside the freezer set at 20 degrees Celsius.
d. Should verify if it is the only bottle collected from the patient.
4) An instrument that can analyze patient samples for only those tests specifically ordered and can analyze stat samples by interrupting the normal sequence of patient analyses is referred to as:
a. Batch analyzer
b. Multitest analyzer
c. Discrete analyzer
d. Random-access analyser
5) What is the reference method for quantitation of lipoproteins (LPPs)
A. Liberman Burchardt
B. Abell-Kendall
C. Van Handel and Zilversmith
D. Ultracentrifugation
6) All of the following are staining dyes used for electrophoretic analysis of lipoproteins, except:
A. Oil red O
B. Sudan black B
C. Giemsa
D. Fat red 7B
7) Which of the following results would be the most consistent with high risk for coronary heart disease?
A. 20mg/dL HDL cholesterol and 250mg/dL total cholesterol
B. 45mg/dL HDL cholesterol and 210mg/dL total cholesterol
C. 50mg/dL HDL cholesterol and 180mg/dL total cholesterol
D. 55mg/dL cholesterol and 170mg/dL total cholesterol
8) An individual has a plasma glucose level of 110 mg/dL. What would be the approximate glucose concentration in this patient's cerebrospinal fluid?
A. 33mg/dL
B. 55mg/dL
C. 66mg/dL
D. 110mg/dL
9) All of the following are copper reduction methods under the chemical methods of glucose determination. Except:
A. Hexokinase method
B. Folin Wu
C. Nelson somoygi
D. Benedict's
10) Prehepatic bilirubin has which of the following for a protein carrier?
A. Albumin
B. Alpha2 globulin
C. Beta globulin
D. Gamma globulin
11) All of the following are factors affecting Phosphate concentration, EXCEPT:
A. PTH
B. ACTH
C. Calcitonin
D. Growth Hormone
12) Sodium determination by indirect ion selective electrode is falsely increased by:
a. Decreased protein
b. Decreased albumin
c. Elevated lipid
d. Elevated chloride
e. NONE OF THE ABOVE
13) The predictive value of a positive test is defined as:
a. (true positives + true negatives) / true negatives x 100
b. true negatives / (true negatives + false positives) x 100
c. (true positives + true negatives) / true positives x 100
d. (true positives + true positives) / false positives x 100