Q1. Which of the following substances is released by mast cells during an allergic reaction?A. HistamineB. InsulinC. DopamineD. Serotonin
Q2. Which of the following is a major symptom of ascariasis?A. Severe joint painB. Skin rashesC. Intestinal blockageD. Grayish-blue lips
Q3. Which of the following is the primary mode of transmission for Hepatitis B?A. Contaminated foodB. Mosquito bitesC. Blood and body fluidsD. Airborne droplets
Q4. Which of the following statements about inflammation is correct?A. Inflammation only occurs in viral infections.B. Inflammation helps in eliminating pathogens and repairing tissues.C. Inflammation decreases blood flow to the affected area.D. Inflammation is not a part of the immune response.
Q5. Which of the following statements about lymph nodes is incorrect?A. Lymph nodes filter lymph and trap pathogens.B. Lymph nodes contain immune cells like lymphocytes.C. Lymph nodes produce red blood cells.D. Lymph nodes are part of the immune system.
Q6. Which of the following diseases is caused by a helminthic parasite?A. MalariaB. FilariasisC. PneumoniaD. Typhoid
Q7. Which organ is the primary site for T-lymphocyte maturation?A. Bone marrowB. SpleenC. ThymusD. Lymph nodes
Q8. Which of the following is a function of the lymphatic system?A. Production of red blood cellsB. Transport of oxygenC. Filtration of lymph and immune responseD. Production of digestive enzymes
Q9. Which of the following cells engulf and destroy pathogens in the body?A. ErythrocytesB. MacrophagesC. BasophilsD. Mast cells
Q10. Which of the following is NOT a mode of HIV transmission?A. Unprotected sexual contactB. Blood transfusionC. Sharing contaminated needlesD. Casual contact like hugging