On Monday, Kari exhibits no symptoms of a viral illness. She is sick on Tuesday and stays home from school. On Wednesday, her friends stay home with the same illness, despite having no contact with Kari when she was sick on Tuesday. Which is the most likely explanation of how the other students became sick?
A. Kari was immune to the virus but infected the other students
B. The virus mutated and infected the other students after Kari got sick
C. Kari was infected with the virus before she experienced any symptoms
D. The virus was a carrier, and the other students were infected after Kari got sick.
Select your answer:
Topics:
Transplantation Immunology Introduction to Kinesiology Arteries Bacteria Body Respiration Anatomy and Physiology Human Reproduction Health and Diseases Cardiorespiratory Endurance Anatomy First Aid Biological Molecules The Blood My Teeth OrganellesOther quiz:
Health › ViewBiological catalysts which speeds up chemical reactions and break down of food. – WHAT BEST DESCRIBES THIS
A. HORMONES
B. IMPULSE
C. DIGESTIVE JUICES
D. ENZYME
Muscle Tissue › View
Why is the muscle red?
A. Because of blood
B. Because of hemoglobin
C. Because of myoglobin
D. Because of carotene