Wgu D115 Study Guide Rated A+

How do the incidence and prevalence rate differ? {Ans: Incidence rate is the number of new cases of a disease reported during a specific period, divided by the number of individuals in the population. Prevalence rate is the proportion of the population affected by a disease at a specific point in time.}What are the 3 layers of human defense? What happens during each? {Ans: Physical- protect against damage and infection are composed of tightly associated epithelial cells including those of the skin and of the membranous sheets lining the gastrointestinal, genitourinary, and respiratory tracts. Mechanical- "washing" the surfaces (sloughing off of dead skin, vomiting, urination, coughing). Biochemical barriers- secrets substances meant to trap of destroy microorganisms. (Mucus, sweat, saliva, tears, sebaceous glands, and earwax).}How do you incorporate genetic factors into formulation of differential/definitive diagnosis, plan of care and referrals? {Ans: Allow it to create a bigger picture of what could be going on. Family history and genetic factors are can help the clinician to see the beginning process of a new disease that is genetically linked to the patient. It can help create or narrow down the differential diagnosis. It also allows for specific referrals to avoid