WGU Pathophysiology D236 Practice Test 2023

WGU Pathophysiology D236 Practice Test 2023 Describe how your body responds to an infection. - CORRECT ANSWER-T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - CORRECT ANSWERMutations in genes or chromosomal abnormalities How does development disrupts congenital abnormalities? - CORRECT ANSWERAlterations of DNA Describes factors that disrupt homeostasis and how disruptions affect wellbeing. - CORRECT ANSWER-(ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias. Explain RAAS - CORRECT ANSWER-Renin-angiotensin-aldosterone system 1. Reduce blood flow causes kidneys to release renin > produce angiotensin I > converts angiotensin I to angiotensin II > vasoconstriction > release aldosterone > kidneys conserve sodium and water > Result less water lost in urine and blood pressure maintained. DKA - CORRECT ANSWER-increased anion gap, decreased HCO3 How do kidneys compensate for alkalosis - CORRECT ANSWER-retain H and excrete HCO3 Untreated acidosis leads to an increase in which electrolyte? - CORRECT ANSWERPotassium West Nile Virus - CORRECT ANSWER-Transmitted through the bite of an infected mosquito. Severe signs and symptoms; high fever, headache and stiff neck Lyme disease - CORRECT ANSWER-Tick-borne disease caused by the spirochete Borrelia burgdorferi. Erythema infectiosum - CORRECT ANSWER-a febrile upper respiratory illness in a child followed by the sudden appearance of red, flushed cheeks, "fifth disease" Obesity ad diabetes are risk factors for having a child with _____. - CORRECT ANSWER-Spina bifida Trousseau's sign - CORRECT ANSWER-arm/carpal spasm associated with hypocalcemia Cause and sign of spina bifida - CORRECT ANSWER-results from failure of neural tube to close. sign - fluid filled sac on lower back. hemophilia is more common in - CORRECT ANSWER-males Prenatal exposure to alcohol includes - CORRECT ANSWER-ND-PAE, decreased brain function, FAS Connective vs muscle tissue disorders - CORRECT ANSWER-Connective- RA, Scleroderma, Lupus Muscle - MS, Muscular dystrophy, Myasthenia Gravia Describe Lupus - CORRECT ANSWER-Inflammatory disorder characterized by joint pain and butterfly rash Describe Myasthenia Gravis - CORRECT ANSWER-It is an autoimmune disorder where antibodies attack own Ach receptors. This causes weakness of skeletal muscles over the course of the day, along with ptosis, double vision, and difficulty swallowing.