Author Question: The nurse clarifies that the difference between a photorefractive keratectomy (PRK) and a laser ... (Read 60 times)

oliviahorn72 · **on:** Jul 11, 2018

The nurse clarifies that the difference between a photorefractive keratectomy (PRK) and a laser in-situ keratomileusis (LASIK) is that a LASIK:

a. reshapes the central cornea.
b. makes partial-thickness radial incisions in the cornea. c.
removes some internal layers of the cornea. d.
implants intracorneal rings.

Question 2

Which patient is most at risk for the infection of epididymitis?

a. 17-year-old athlete who trains for several hours a day
b. 22-year-old who has been exposed to mumps
c. 45-year-old who was circumcised at the age of 10
d. 50-year-old who has smoked for 30 years

nanny · **Reply #1 on:** Jul 11, 2018

Answer to Question 1

ANS: C
The LASIK procedure removes some of the internal layers of the cornea affecting the central zone of vision.

Answer to Question 2

ANS: A
Symptoms can occur after trauma to the genital area, after instrumentation of the urethra and cystoscopy, and after physical exertion or prolonged sexual activity.