List and briefly describe the three processes that are used by the eye to form a clear image of object on the retina
What will be an ideal response
1 ) Refraction involves bending light rays as they move through different media in the eye to eventually form a focused inverted image on the central fovea, 2 ) Accommodation of the lens for near/distance vision involves changing the shape of lens using the ciliary muscle to help focus light rays on retina, and 3 ) Constriction of pupil involves an ANS reflex that helps prevent scattering of light through edges of lens.
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a. True b. False Indicate whether the statement is true or false
Which of the following structures secrets hormone renin?
a. Peritubular capillaries b. Glomerular capillaries c. Nephronic tubules d. Juxtaglomerular apparatus e. Bowman's capsule
Sodium, potassium, calcium, chlorine, and phosphorus are all examples of ____
a. proteins b. carbohydrates c. lipids d. mineral salts
Which cells form myelin in the spinal cord?
A. Microglia B. Oligodendrocytes C. Astrocytes D. Schwann cells E. Satellite cells