Author Question: Which structure of the eye is colored and its muscles constrict or relax to control the amount of ... (Read 57 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
Which structure of the eye is colored and its muscles constrict or relax to control the amount of light entering the pupil?
 a. fovea
  b. iris
  c. lens
  d. macula

Question 2

Which of the following is the term for crossed eyes?
 a. amblyopia
  b. estropia
  c. myopia
  d. presbyopia



ktidd

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library