Which of the following surgical procedures uses a laser to reshape the cornea?
a. LASIK
b. laser retinal photocoagulation
c. photorefractive keratectomy
d. radial keratectomy
c
Explanation:
a. LASIK: uses a laser to remove minute slices of corneal tissue
b. laser retinal photocoagulation: uses a laser to make pinpoint scars to stabilize a detached or torn retina
c. photorefractive keratectomy: correct
d. radial keratectomy: uses spokelike incisions in the cornea to flatten it
You might also like to view...
Mouse monoclonal antibodies against human tumor cells are useful for
A) identifying previously unknown tumor associated antigens. B) developing therapeutic agents against tumors. C) developing clinical assays for tumor associated antigens using the monoclonal antibodies. D) All of the above.
Nancy is reading the doctor's orders for Ms. Brighton, a 72-year-old with COPD, congestive heart failure, Type 2 diabetes, high blood pressure, and high cholesterol. She notices that one of the newly prescribed medications has the potential for life-threatening potentiation of one of Ms. Brighton's other medications. What should Nancy do?
a. Question the order and explain the potential problems. b. Document Nancy's concerns but take no further action. c. Do nothing; the physician has written the order. d. Advise Ms. Brighton to refuse to take the medication.
Type 2 diabetes is a disorder of the immune system
Indicate whether the statement is true or false
?Stress emotions can affect cognitive ability.
Answer the following statement true (T) or false (F)