Unit 9,10,11 quiz


Unit 9,10,11 quiz


1. B cell is a white blood cell that produces antibodies.


2. A special protein in the body that helps fight infection is a macrophage.


3. Seasonal respiratory allergies are commonly known as common cold.


4. A disease that can damage heart valves is rheumatic fever.


5. A person with constricted bronchial tubes may have a condition called hay fever.


6. The most common STD in the United States is chlamydia.


7. A fungal infection of the tongue and mouth is called thrush.


8. Hardening of the arteries is called aneurysm.


9. The general name for a disease of the heart and blood vessels is called prehypertension.  


10. Thick mucus that forms on the lungs is indicative of cystic fibrosis.


11. The most common form of skin cancer is malignant melanoma.


12. Interest is money set aside for future use.


13. Parents or guardians can block TV programs by using a V-chip.


14. An HMO organizes health-care services for its member.


15. Medicare is for people with low incomes.


16. Credentials are the qualifications a person must have to be eligible for a job.


17. The protective layer of the upper atmosphere is the ozone layer.


18. A severe infection causing abdominal pain is dysentery.


19. A gas emitted by rocks is called smog.


20. The highness and lowness of a sound is its pitch.