Q1. Which disease is caused by the Epstein-Barr virus (EBV)?A. HepatitisB. Infectious mononucleosisC. InfluenzaD. Rabies
Q2. Which of the following statements about lymph is incorrect?A. Lymph is a fluid that carries white blood cells.B. Lymph contains red blood cells for oxygen transport.C. Lymph helps in immune responses.D. Lymph is transported through lymphatic vessels.
Q3. Which preventive measure is most effective against air-borne diseases?A. Using mosquito netsB. Maintaining proper sanitationC. Wearing masks and covering mouth while sneezingD. Drinking clean water
Q4. What is the function of interferons in the immune system?A. Destroy bacteriaB. Protect cells from viral infectionsC. Produce antibodiesD. Activate neutrophils
Q5. Which of the following statements about vaccines is incorrect?A. Vaccines stimulate the immune system to create memory cells.B. Vaccines provide immediate immunity.C. Live-attenuated vaccines contain weakened pathogens.D. Toxoid vaccines contain inactivated toxins.
Q6. Which of the following is a preventive measure for AIDS?A. Using disposable needlesB. Drinking boiled waterC. Wearing a maskD. Taking antibiotics
Q7. Which of the following is the most effective method to prevent the spread of Hepatitis B?A. Avoiding cold foodB. Using disposable syringesC. Drinking boiled waterD. Taking vitamin supplements
Q8. Which of the following is a characteristic feature of cancer cells?A. Contact inhibitionB. Uncontrolled cell divisionC. ApoptosisD. Limited cell lifespan
Q9. Which type of immunity is provided by a vaccine?A. Innate immunityB. Passive immunityC. Active acquired immunityD. Cell-mediated immunity
Q10. Which chemical is released by virus-infected cells to protect nearby healthy cells?A. HistamineB. InterferonC. SerotoninD. Cytokinin