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?

A

Creatinine

Q

bicarbonate; carbonic acid ratio

A

20:1

Q

apolipoprotein in cm

A

APOB-48

Q

Fever will increase pCO2 by

A

3.1 mmHg

Q

fever will decrease PO2 by

A

7.1 mmHg

Q

T-test measures?

A

mean

Q

F-test measures?

A

SD

Q

Glucose decrease at room temp.

A

7 mg/hr

Q

growth hormone hypersecretion

A

children:gigantism;
Adult:Acromegaly

Q

BMI of obese

A

> or = 30 kg/m^2

Q

TAG value in Hypothyroidism

A

increased

Q

Cushing’s syndrome

A

increased Cortisol

Q

Trinder’s reaction

A

Salicylate

Q

Reinsch test

A

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

Q

Test for estrogen

A

kober’s reaction

Q

Highest elevation of ALP

A

Paget’s dse. (ostitis deformans)

Q

Substrate for Cherry-Crandall method

A

Olive oil / Triolein

Q

Gilbert Syndrome

A

Transport

Q

Lloyd’s reagent

A

Sodium Aluminum silicate

Q

Odor of bitter almond

A

Cyanide poisoning

Q

Fuller’s earth rgt.

A

Aluminum magnesium silicate

Q

garlic odor

A

Arsenic

Q

precursor of steroid hormone

A

cholesterol

Q

examples of Random error

A

1(3s), R4S

Q

examples of Systematic error

A

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

Q

Bell shaped curve

A

Gaussuan curve

Q

Gaussian curve consists of

A

mean=median=mode

Q

Biuret’s test

A

test for proteins

Q

(+)Biuret’s test

A

violet

Q

“ROME” in acid-base balance

A

Respiratory=opposite

Metabolic=equal