The nurse in the emergency department reports there is a possibility of having had direct contact with blood of a client who is suspected of having HIV/AIDS. The nurse requests that the client have a...

The nurse in the emergency department reports there is a possibility of having had direct contact with blood of a client who is suspected of having HIV/AIDS. The nurse requests that the client have a blood test. Consent for human immunodeficiency virus (HIV) testing can only be completed when which of the following circumstances are present? Select all that apply.

1. An emergency medical provider has been exposed to the client's blood or body fluids.

2. Testing is prescribed by a physician under emergency circumstances.

3. Testing is prescribed by a court, based on evidence that the client poses a threat to others.

4. Testing is done on blood collected anonymously in an epidemiologic survey.