Clinical Chemistry Flashcards by ruth romero

Q

Precision is

A

-repeatability

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Q

relation of CV to precision

A

inversely proportional

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Q

target value

A

Accuracy

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Q

what do you mean by direct?

A

Without dilution

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Q

what do you mean by indirect?

A

With dilution

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Q

reference method for Calcium and Magnesium

A

Atomic Absorption Spectroscopy

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Q

AAS source of light

A

Hollow Cathode lamp

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Q

routine electrolytes

A

Sodium
Potassium
Chloride
Bicarbonate

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Q

best method for electrolytes

A

ISE

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Q

direct vs. indirect

A

ISE

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Q

reference electrode for sodium

A

Glass membrane

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Q

electrode for oxygen

A

Clark

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Q

electrode for Carbon dioxide

A

Severinghaus

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Q

T3 and T3 uptake in hypothyroidism

A

decrease; directly proportional

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Q

common anticoagulant in Clin. Chem

A

Lithium heparin

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Q

sodium value in patients with diabetes

A

Decrease

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Q

thyroxine conversion factor to SI

A

12.9

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Q

BUN:CREA ratio

A

10-20:1

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Q

assess the kidney function

A

BUN:CREA ratio

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Q

in BUN:CREA ratio, which one is the first to increase?

A

BUN

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Q

in BUN:CREA ratio, which one is the MOST specific for kidney injuries?

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A

Creatinine

Q

bicarbonate; carbonic acid ratio

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A

20:1

Q

apolipoprotein in cm

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A

APOB-48

Q

Fever will increase pCO2 by

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A

3.1 mmHg

fever will decrease PO2 by

7.1 mmHg

T-test measures?

mean

F-test measures?

SD

Glucose decrease at room temp.

7 mg/hr

growth hormone hypersecretion

children:gigantism; Adult:Acromegaly

BMI of obese

> or = 30 kg/m^2

TAG value in Hypothyroidism

increased

Cushing's syndrome

increased Cortisol

Trinder's reaction

Salicylate

Reinsch test

Metal test: Lead, Mercury, Tin, Arsenic, etc

Test for estrogen

kober's reaction

Highest elevation of ALP

Paget's dse. (ostitis deformans)

Substrate for Cherry-Crandall method

Olive oil / Triolein

Gilbert Syndrome

Transport

Lloyd’s reagent

Sodium Aluminum silicate

Odor of bitter almond

Cyanide poisoning

Fuller's earth rgt.

Aluminum magnesium silicate

garlic odor

Arsenic

precursor of steroid hormone

cholesterol

examples of Random error

1(3s), R4S

examples of Systematic error

2(2s),4(1s), 10x

Bell shaped curve

Gaussuan curve

Gaussian curve consists of

mean=median=mode

Biuret's test

test for proteins

(+)Biuret's test

violet

"ROME" in acid-base balance

Respiratory=opposite | Metabolic=equal