PATHOPHYSIOLOGY REVIEW 2026
VERIFIED QUESTIONS WITH
ACCURATE ANSWERS
◉ 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: (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias.
◉ Explain RAAS
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
Answer: increased anion gap, decreased HCO3
,◉ How do kidneys compensate for alkalosis
Answer: retain H and excrete HCO3
◉ 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 vs muscle tissue disorders
Answer: Connective- RA, Scleroderma, Lupus
Muscle - MS, Muscular dystrophy, Myasthenia Gravia
◉ Describe Lupus
Answer: Inflammatory disorder characterized by joint pain and butterfly
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.