Final Exam – Study Guide
(Fall Session)
Grand Canyon University
Definitions/Descriptions
Describe the type of lesions found in psoriasis & seborrheic and actinic keratosis.
Elevated, firm, and rough lesion with flat top surface greater than 1 cm in diameter
Describe the skin lesions found in Varicella (chickenpox) and herpes zoster (shingles).
Elevated circumscribed, superficial lesion filled with serous fluid, less than 1 cm in diameter
Describe the pathogenetic mechanism of polycystic ovarian syndrome (POS).
POS has at least two of the following conditions: oligo-ovulation or anovulation, elevated lev-
els of androgens, or clinical signs of hyperandrogenism and polycystic ovaries. Of the options
available, only this answer accurately defines the pathogenetic mechanisms of POS.
Describe Hirschsprung’s disease.
Congenital aganglionic megacolon. Mechanical obstruction caused by inadequate motility of part
of the intestine, Accounts for ¼ of all cases of neonatal obstruction, Associated with Down’s
syndrome, May be acute, life-threatening, or chronic. Absence of ganglion cells in 1 or more
segments of the colon, Affects the distal portion ofStool accumulates the GI tract, Lack of