CHEM Flashcards

1
Q

Electrophoresis is any movement of a liquid phase with respect to a solid phase, under the influence of an external electrical field.

A. True
B. False (just the reverse)

A

False (just the reverse)

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2
Q

The molecule H2CO3 is named what?

A. Bicarbonate
B. Carbon Dioxide
C. Hydrocarbon
D. Carbonic Acid

A

D. Carbonic Acid

Carbonic acid is an intermediate in the bicarbonate buffer system CO2 + H20 <-> H2CO3 <-> H+ +HC03- Carbonic acid is an important chemical compound in the regulation of acid-based homeostasis.

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3
Q

A chemistry test result from a chemotherapy patient was within normal limits on tuesday. the same test was reported as abnormal on Monday (“flagged” high and approaching as critical value). The Technologist performing the test noted a delta-check error and remembered that both controls ran much higher on Monday although they were within acceptable limits. the technologist’s decision to follow-up this discrepancy before reporting the results is an example of which domain o behavioral objective?

A. Cognitive
B. Affective
C. Psychomotor
D. Organizational

A

Affective

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4
Q

What is the primary purpose of a centrifuge?

A. Separates the serum from the cellular portion of the blood.
B. Separates the plasma from the cellular portion of the blood
C. To separate plasma or serum from the cellular part of the blood.
D. All

A

All

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5
Q

One method of learning is by giving a small group of students a topic to discuss or a problem to solve rather than a formal lecture by the instructor. Each participant is given a portion of the topic to discuss or solve. this method of learning is popular and used easily with which of the following approaches?

A. Case study
B. Manual demonstration
C. Implementing new equipment
D. Histogram evaluation

A

Case study

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6
Q

The major cation found in the extra cellular fluid is

A. Potassium
B. Bicarbonate
C. Chloride
D. Sodium

A

Sodium

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7
Q

Name the reagent used in cyanmethemoglobin method

A. Drabkin’s solution
B. N/10 HCL
C. None
D. All

A

Drabkin’s solution

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8
Q

What is the reverse reaction of lactate assay?

A

Wrobleuski La due

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9
Q

Life threatening electrolyte but asymptomatic

A

Hyperkalemia

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10
Q

A substance that can yield a hydrogen ion

A

Acid

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11
Q

A substance that can yield hydroxyl ion

A

Base

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12
Q

A system that resist changes in pH

A

Buffer

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13
Q

Only electrolyte in buffer system

A

HCO3 (Bicarbonate)

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14
Q

Handerson Hasselbalch equation
Numerator represent what?

A

Metabolic / Kidney (HCO3)

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15
Q

Handerson Hasselbalch equation denominator represent what?

A

Respiratory / Lungs
(0.03 x pCO2)

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16
Q

Target of therapy among high risk patients of cholesterol

A

LDL

17
Q

Major interference in dry slide technology in uric acid

A

Ascorbic Acid

18
Q

Associated with arteriosclerotic cardiovascular failure signifying grave prognosis and impending death

A

LD6

19
Q

In QC of centrifuge rotors, the speed of a centrifuge should be checked once ___ by a tachometer

A

Every 6 month

every 3 months in CM