What effect do demyelinating disorders such as multiple sclerosis have on neurotransmission?

Which of the following terms describes the new cases of a disease that occur within a given interval of time?

The goal of heparin for the management of a deep vein thrombosis is to

Patient has been accidentally injected by a physician with a syringe contaminated by HIV. In such a patient, AIDS falls into which category of disease(s). You may select more than one correct answer.

Administration of which therapy is most appropriate for the treatment of hypovolemic shock caused by chronic diarrhea and emesis?

The brand name for Minocycline Hydrochloride is:

Select the factor(s) which is/are causative agent(s) of secondary hypertension. You may select more than one correct answer.

Which enzyme(s) is/are involved in disabling free radicals in the body? You may select more than one correct answer. 

Which is NOT considered to be a risk factor for thrombus formation?

The time factor is not taken into account in selecting a communication medium.