A rheostat is a device which is used to vary the resistance in an electrical circuit without interrupting the circuit.heostats are a kind of potentiometer. These devices can be used in a variety of settings, and are usually designed to be sealed so that environmental factors cannot interfere with the function of the circuit.
This chemical can cause allergic rhinitis and its symptoms, including a runny nose, sneezing, and itchy eyes. In addition to tree pollen, other common allergens include: grass pollen
Thank you for your inquiry. You are correct in that the term allergy is often misused. What a patient sees is symptoms. These symptoms are characteristic of a disease. For example, patients can present with sneezing, runny nose, nasal discharge, and nasal congestion. These symptoms are characteristic of rhinitis.