Answer: C: Using your refusal skills!
Explanation: HIV is transmitted through bodily fluids and sexual contact. Using illegal drugs is not only harmful (most likely), but you are not maintaining safety measures. There is no vaccine for HIV as of now, so injecting drugs would not me a preventative measure. Engaging in sexual activity with multiple partners is one of the ways TO CONTRACT HIV, even when using protection. If you don't use universal precautions in a healthcare setting, you can contract HIV (although not as likely). So the best way to reduce your chances of HIV would be to use universal precautions, use protection, or the best way, use refusal skills.
This may be a sebaceous cyst. This type of bump develops when sebaceous glands are blocked. Sebum builds up and a bump develops. This bump can feel hard to touch. Sebum is naturally produced, so there usually is not inflammation.
Answer:
it really depends on if you have recently had an injury to that hand or possibly over extended it doing an activity that you normally don't do. if there is no known injury you may want to have it checked out by your primary care doctor there's numerous different reasons that would cause the symptoms that you have listed and without more evaluation it would be hard to pinpoint the 3xact cause or how to repair or remedy this problem. more information would be highly appreciated and recommended.