Astigmatism ________
A) results from a slight elongation of the eyeball
B) literally means "old vision"
C) results from irregular curvatures of the lens or cornea
D) is a decline in visual acuity
Answer: C
You might also like to view...
Which of the following is NOT a step in tissue repair?
A) inflammation B) formation of new stem cells C) restoration of blood supply D) regeneration and fibrosis
Which part of the nephron employs a countercurrent mechanism?
A. Glomerulus B. Loop of Henle C. Distal convoluted tubule D. Juxtaglomerular apparatus
Which of the following bones does not enclose and protect the brain?
1. Temporal 2. Mandible 3. Frontal 4. Occipital 5. Parietal
Negative feedback inhibition occurs when ________
A) thyroid-stimulating hormone (TSH) targets the thyroid gland B) thyrotropin-releasing hormone (TRH) targets the thyroid gland C) thyroid hormone (TH) targets the anterior pituitary D) thyrotropin-releasing hormone (TRH) causes the anterior pituitary to release thyroid-stimulating hormone (TSH) E) thyrotropin-releasing hormone (TRH) targets the anterior pituitary