Himachal Pradesh Staff Nurse 893 - Free Online Practice Test

61. Provides evidence of faecal pollution except;

Science

A. Faecal streptococci B. Coliform C. Cl. Tetani D. Enteropathogenic virus

62. Most undesirable metal in drinking water is

Science

A. Iron B. Copper C. Zinc D. Lead

63. Disinfecting action of chlorine on water is due to

Science

A. Hydrogen Chloride B. Hypochlorous acid C. Hypochlorite ions D. Hydrogen ions

64. A psychrometer is used to measure

Science

A. Humidity B. Air Velocity C. Room temperature D. Radiant heat

65. Tertiary prevention needed in which stage of disease history?

Science

A. Pre-pathogenesis B. Pathogenesis C. Prodromal D. Terminal

66. False negative results in TB screening tools means test is not perfect in:

Science

A. Effectiveness B. Efficacy C. Specificity D. Sensitivity

67. What is Coronavirus?

Science

A. Large family of viruses B. Belongs to Nidovirus C. Both (A) and (B) D. None of these

68. Diseases related to coronavirus?

Science

A. MERS B. SARS C. Both (A) and (B) D. None of these

69. WHO Steps is used for

Science

A. Communicable disease B. Non-communicable C. Immunodeficiency D. Auto-immune

70. Corpulence index is given by

Science

A. Actual - Desirable B. Actual / Desirable C. Desirable / Actual D. Height - 100