66.

67.

68.

69.

70.

71.

72.

78.

Identify the SI unit of temperature.
(^) Fahrenheit (B) Celsius (C) Kelvin (D) All of these

Molarity is defined as of a substance one litre of distilled water.
(A) Molecular weight, Dissolved in

(B) Equivalent weight, Dissolved and made upto

(C) Gram molecular weight, Dissolved in

(D) Gram molecular weight, Dissolved and made upto

Safe disposal of biological specimen should be ensured by which of the following ?
(A) Specimen is disposed by burning in open air.

(B) Specimen should be placed in an autoclave bag and autoclaved for 1 hour.
(C) Specimen is washed down the sink with any disinfectant solution.

(D) Specimen is to be stored in sealed bag till it is safe for disposal.

Identify the most appropriate anticoagulant for use in blood banking.
(A) Citrate Phosphate Dextrose/Acid Citrate Dextrose

(B) Ethylene Diamine Tetraacetic Acid (EDTA)

(C) Heparin Sulphate

(D) Trisodium Citrate

Urine specimen preservation is achieved with which of these chemicals ?
(A) Sodium molybdate (B) Potassium isocitrate
(0) Heparin+EDTA (D) Boric acid

Flame photometer is based on characteristic emission by metals when
(A) Excited by electron beams.

(B) Given sufficient energy in the form of heat.

(C) Rapidly heated and cooled.

(D) Introduced in a strong magnetic field produced by a hot electrode.

Radioactive emission of a liquid specimen can be accurately quantified by which of the
following methods ?

(A) Geiger muller counter (B) Thermoluminous badges

(C) Autoradiography film (D) Scintillation counter

From the buffer systems listed below, identify the buffer most important in maintaining
blood pH.

(A) Carbonic acid-bicarbonate buffer

(B) Haemoglobin buffer

(C) Phosphate buffer

(D) Ammonium buffer

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