Nepal Health Service – Lab Technician — Practice QuizBy sushil / October 6, 2026 More Nepal Health Service - Lab Technician Practice SetsNepal Health Service – Lab Technician MCQ Questions with Answers – Practice Set 2Nepal Health Service – Lab Technician MCQ Questions with Answers – Practice Set 3Nepal Health Service – Lab Technician MCQ Questions with Answers – Practice Set 4Nepal Health Service – Lab Technician MCQ Questions with Answers – Practice Set 5← All Nepal Health Service - Lab Technician quizzes← Education & Health Services category Nepal Health Service – Lab Technician — Practice Quiz 10 questions · 15 minute time limit Start Quiz You can take this quiz as a guest. Log in first if you want it saved to your progress history. Which blood group is considered the u201cuniversal donoru201d for red cell transfusion? O positive O negative AB positive AB negative Which blood group is considered the u201cuniversal recipientu201d for red cell transfusion? O negative AB positive A positive B negative The Rh blood group system is clinically most significant because of which antigen? C antigen D antigen E antigen c antigen What is the normal hemoglobin reference range for an adult male? 9-11 g/dL 13.5-18.0 g/dL 20-22 g/dL 6-9 g/dL What is the normal platelet count range in a healthy adult? 50-100 x10u2079/L 150-450 x10u2079/L 500-800 x10u2079/L 1000-1500 x10u2079/L After Gram staining, Gram-positive bacteria retain the crystal violet-iodine complex and appear which color? Pink Purple Yellow Colorless Standard steam sterilization in an autoclave is typically carried out at approximately what temperature and pressure? 100u00b0C at atmospheric pressure 121u00b0C at about 15 psi (100 kPa gauge) 160u00b0C dry heat 56u00b0C in a water bath Why do Gram-negative bacteria lose the primary crystal violet stain during Gram staining? Their thick peptidoglycan layer traps the stain Their thin peptidoglycan layer lets the decolorizer wash the stain out They lack a cell wall entirely Their capsule repels the stain Regarding the erythrocyte sedimentation rate (ESR) test, which statement is correct? ESR reference ranges are identical for men and women at every age Basal ESR tends to be slightly higher in women than in men ESR decreases as a person ages ESR is reported in mg/dL Which description best explains why AB is called the u201cuniversal plasma donoru201d? AB plasma is O negative, so it lacks antigens AB plasma contains neither anti-A nor anti-B antibodies AB plasma is Rh negative AB plasma clots faster than other types Submit Quiz
