WGU D236 Pathophysiology Exam Questions and Verified Answers | Latest 2023/2024 solutions
Describe how your body responds to an infection. - T cells produce cytokines, which
stimulate B cells. B cells produce antibodies.
Identify role of DNA changes in congenital abnormalities. - Mutations in ge...
WGU D236 Pathophysiology Exam Questions and Verified Answer s Describe how your body responds to an infection. - T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - Mutations in genes or chromosomal abnormalities How does develo pment disrupts congenital abnormalities? - Alterations of DNA Describes factors that disrupt homeostasis and how disruptions affect wellbeing. - (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias. Explain RAAS - 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 pressur e maintained. DKA - increased anion gap, decreased HCO3 How do kidneys compensate for alkalosis - retain H and excrete HCO3 Untreated acidosis leads to an increase in which electrolyte? - Potassium West Nile Virus - Transmitted through the bite of an i nfected mosquito. Severe signs and symptoms; high fever, headache and stiff neck Lyme disease - Tick-borne disease caused by the spirochete Borrelia burgdorferi. Erythema infectiosum - 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 _____. - Spina bifida Trousseau's sign - arm/carpal spasm associated with hypocalcemia Cause and sign of spina bifida - results from failure of neural tube to close. sign - fluid filled sac on lower back. hemophilia is more common in - males Prenatal exposure to alcohol includes - ND-PAE, decreased brain function, FAS Connective vs muscle tissue disorders - Connective - RA, Scleroderma, Lupus Muscle - MS, Muscular dystrophy, Myasthenia Gravia Describe Lupus - Inflammatory disorder characteriz ed by joint pain and butterfly rash Describe Myasthenia Gravis - 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. dermatitis - inflammation of the skin eczema - noninfectious, inflammatory skin disease characterized by redness, blisters, scabs, and itching decubitus ulcer - sore caused by lying down for long periods of time Fungal infections - superfic ial, localized skin conditions or deep tissue infections caused by exposure to spores may or may not be transmitted benign neoplasm - noncancerous growths, stationary, distinct borders malignant neoplasm - uncontrolled new tissue growth, irregular borde rs, spreads Osteoporosis - The loss of bone mass often due to age, causing the bones to become porous, brittle, and easily fractured. osteomalacia - disease marked by softening of the bone caused by calcium and vitamin D deficiency myoglobin - red pigment that stores oxygen in muscle cells Bursa - fluid-filled sac that allows for easy movement of one part of a joint over another Rickets - a vitamin D deficiency in children, resulting in soft bones Degenerative disk disease - A con dition in which an intervertebral disk loses its normal structural integrity as a result of wear and tear, acute or repeated injuries or aging Paget disease - Chronic inflammation of bones, resulting in thickening and softening of bones, that can occur in any bone but most commonly affects the long bones of the legs, the lower spine, the pelvis, and the skull
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