Small Test Flashcards

1
Q
  1. CSF, glucose, potassium, sodium are examples of

Electrolytes
Specimen
Analyte
Sample

A

Analyte

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2
Q
  1. What statistics are used to derive reference range/Interval using a normal distribution curve?
    Non- parametric statistics
    Parametric statistics
    Range, Interquartiles
    Percentiles, Deciles
A

Parametric statistics

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3
Q
  1. A range of reference values that represent 95% of observed values in a defined reference population is ?

Reference Values
Reference Sample
Reference range/Interval
Reference limits

A

Reference range/ interval

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4
Q
  1. A measure of how little of the analyte an assay or test can detect is ?

Analytical specificity
Analytical sensitivity
Diagnostic sensitivity
Diagnostic specificity

A

Analytical sensitivity

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5
Q
  1. What involves the whole testing process and all the laboratory’s path of work flow

Quality control
Analytical variables
Quality assurance
Standard control and precautions

A

Quality Assurance

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6
Q
  1. The ability of a test to provide a negative result in the absence of the disease is?

Diagnostic specificity
Diagnostic sensitivity
Analytical sensitivity
Analytical specifity

A

Diagnostic specificity

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7
Q
  1. True positives can also be referred to as

Diagnostic specificity
Diagnostic sensitivity
Positive predictive value
Analytical specificity

A

Diagnostic sensitivity

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8
Q
  1. The degree of closeness of a measured value to a standard or reference value is called?

Precision
Accuracy
Reliability
Validity

A

Accuracy

Accuracy or validity
Precision or reliability

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9
Q
  1. Prostate specific antigen (PSA) is a tumor marker for which of this organ

Pancreas
Liver
Prostate
Breast

A

Prostate

Acid phosphatase
Prostate specific antigen are both tumor markers for it

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10
Q

Normal distribution curve is also known as 3 other names

A

Bells curve
Gaussian curve
Frequency distribution curve

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11
Q

An Analyte is?

A

Anything that can be tested in a lab

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12
Q
  1. Alpha-feto proteins (AFP) is a tumor marker for which of this organ

Pancreas
Colon
Liver
Testis

A

Liver

Low levels can also be found in testis

In Down syndrome trisomy 21and Edward syndrome 18, low levels of AFP are found

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13
Q
  1. Reference interval for potassium is

3.5-5.0 mmol/l
3.3-5.0 mmol/l
3.0-5.5 mmol/l
3.2-5.0 mmol/l

A

3.3 to 5.0 mmol/l

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14
Q
  1. ECG findings in Hyperkalemia include

Peaked T waves, Wide QRS complex
Flat P waves, Short QRS complex
Tall P waves, Narrow PR Intervals
Appearance of U waves, Prolonged PR Intervals

A

Peaked T waves, Wide QRS complex

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15
Q
  1. Which of the electrolytes is found more in the ECF compartment

Sodium
Potassium
Phosphate
Magnesium

A

Sodium

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16
Q
  1. Tumor markers are used for all of the following except

Monitor response to treatment
Prognosis/Outcome
Screening individuals
Confirm diagnosis

A

Confirm diagnosis

17
Q
  1. All samples collected for test should get to the laboratory within how many hours

6 hours
8 hours
4 hours
24 hours

A

4 hours

18
Q

Analytical specificity is?

A

The ability to a test to detect a particular Analyte amidst other ones

19
Q

Diagnostic sensitivity

A

Ability of a test to identify someone that has a disease

20
Q

Diagnostic sensitivity is also known as

A

True Positive

21
Q

Diagnostic specificity / True Negative

A

Is the ability of a test to identify people that DO NOT HAVE THE DISEASE

22
Q

Diagnostic sensitivity are
Diagnostic specificity are

A

Screening tests

Confirmatory tests

23
Q

Diagnostic sensitivity formula

A

(True positive/ true positive + false negative ) x 100

24
Q

Diagnostic specificity formula

A

(True negative/ true negative + false positive) x 100

25
Q

Quality assurance is involved with

A

Pre analytical
Analytical
Post analytical phases

26
Q

Quality control is involved with

A

Analytical/ laboratory phase

27
Q

Analytical variable is?

A

Any factor that affects testing of the sample in the lab

28
Q

Hypokalemia

A

Short T wave
Narrow/ short qrs complex
Flat p wave
Appearance of u wave

29
Q

D wave is found in

A

Wolf Parkinson white syndrome