WGU D220 Practice Questions (Latest 2023 - 2024)
New Full Exam Questions and Answers Included
- Describe how your body responds to an infection.
Answer: T cells produce cytokines, which stimulate B cells. B cells produce
antibodies.
- Identify role of DNA changes in congenital abnormalities.
Answer: Mutations in genes or chromosomal abnormalities
- How does development disrupts congenital abnormalities?
Answer: Alterations of DNA
- Describes factors that disrupt homeostasis and how disruptions affect wellbeing.
Answer: Fluid and electrolyte shifts can cause n/v or dysrhythmias.
- Explain RAAS
Answer: Renin-angiotensin-aldosterone system
- Reduce blood flow causes kidneys to release renin
> produce angiotensin I > converts angiotensin I to angiotensin II > vasoconstric- tion > release aldosterone > kidneys conserve sodium and water > Result less water lost in urine and blood pressure maintained.
6. DKA
Answer: increased anion gap, decreased HCO3
- How do kidneys compensate for alkalosis
Answer: retain H and excrete HCO3
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- Untreated acidosis leads to an increase in which electrolyte
Answer: Potassium
- West Nile Virus
Answer: Transmitted through the bite of an infected mosquito. Severe signs and
symptoms; high fever, headache and stiff neck
- Lyme disease
Answer: Tick-borne disease caused by the spirochete Borrelia burgdorferi.
- Erythema infectiosum
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 .
Answer: Spina bifida
- Trousseau's sign
Answer: arm/carpal spasm associated with hypocalcemia
- Cause and sign of spina bifida
Answer: results from failure of neural tube to close. sign - fluid filled sac on lower back.
- hemophilia is more common in
Answer: males
- Prenatal exposure to alcohol includes
Answer: ND-PAE, decreased brain function, FAS
- connective tissue disorders
Answer: Connective- RA, Scleroderma, Lupus 2 / 3
- muscle tissue disorders
Answer: Muscular dystrophy, Myasthenia Gravia
- Describe Lupus
Answer: Inflammatory disorder characterized by joint pain and butter- fly rash
- Describe Myasthenia Gravis
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.
- Dermatitis
Answer: inflammation of the skin
- Eczema
Answer: noninfectious, inflammatory skin disease characterized by redness, blisters, scabs, and itching
- decubitus ulcer
Answer: sore caused by lying down for long periods of time
- Fungal infections
Answer: superficial, localized skin conditions or deep tissue infections caused by exposure to spores may or may not be transmitted
- benign neoplasm
Answer: noncancerous growths, stationary, distinct borders
- malignant neoplasm
Answer: uncontrolled new tissue growth, irregular borders, spreads
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