The right option is; C. portal of entry
The portal of entry is the route or manner in which an infectious agent enters the body. The portal of entry provides access to susceptible tissues in which the infectious agent can multiply and cause disease. Also, infectious agents can use the same portal of entry as a portal of exit to enter a new host. In the scenario from the question, the needle stick was the portal of entry in the chain of transmission.
Answer:
False!
Explanation:
Personal hygine is going to affect your health in some shape or form, but not 100% of the time. Genetics, where you live, and age also play a HUGE roll in whether or not you're going to fall ill (and that is just a small list).
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mood swings, sadness, elevated mood, anger, anxiety, apathy, apprehension, euphoria, general discontent, guilt, hopelessness, loss of interest, or loss of interest or pleasure in activities
True. AIDS can be transmitted through sexual intercourse, contaminated needles and blood. HIV aids can be prevented through care and smart thinking. If you engage in a sexual intercourse be sure to used condoms or research about the partner if that partner has history about HIV. Simple ways can give you a healthy and HIV free life.
Answer: no
Explanation water and carbon dioxide are produced as wastes. the cells in both plants and animals perform respiration.... during photosynthesis , a palnt uses light, water and carbon dioxide to make its own food. oxygen is given off during photosynthesis as a waste product