« previous next »

Author Question: The pigment necessary for night vision is: A) rods. B) cones. C) rhodopsin. D) fovea ... (Read 47 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Jun 26, 2018
The pigment necessary for night vision is:
 
  A) rods.
  B) cones.
  C) rhodopsin.
  D) fovea centralis.

Question 2

The small depression located in the macula lutea is known as the:
 
  A) optic disk.
  B) retina.
  C) fovea centralis.
  D) ciliary body.


triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jun 26, 2018
Answer to Question 1

C
Explanation: A) Rods are used for night vision, but they are not pigment.
B) Cones are sensitive to bright light and color vision.
C) Correct.
D) Fovea centralis is the central focusing point within the eye.

Answer to Question 2

C
Explanation: A) The optic disk is where the optic nerve exits the eye.
B) The retina is the lining of the posterior eye.
C) Correct.
D) The ciliary body attaches the iris to the eye.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Retinal and Its Role in Vision Retinal and Its Role in Vision
I am studying better at night I am studying better at night
Piston, Rods, and Crankshaft Piston, Rods, and Crankshaft
Albinos lack pigment in the skin, hair, and eyes. Albinos lack pigment in the skin, hair, and eyes.
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library