NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following vitamins play a very key role in eyesight including night vision and color recognition?
A
vitamin A
B
vitamin B
C
vitamin K
D
all of the above
Explanation: 

Detailed explanation-1: -Vitamin A is essential for good vision. It is a component of the protein rhodopsin, which allows the eye to see in low-light conditions. According to the American Academy of Ophthalmology, a deficiency in vitamin A can lead to night blindness.

Detailed explanation-2: -Vitamin A and vision make potent allies. Carrots contain lots of beta carotene and Vitamin A, which can contribute to your eyes’ health and may provide a fantastic source of eye vitamins for macular degeneration and cataracts. Good sources of Vitamin A and rhodopsin are also abundant in carrots.

Detailed explanation-3: -Vitamin A. This vitamin can protect the eye’s cornea, which is responsible for focusing light to the ocular lens. By eating these regularly, you can better prevent night blindness and dry eyes.

Detailed explanation-4: -Vitamin B12 supports and promotes eye health Vitamin B12 can help maintain and promote healthy eyesight. As we get older, many of us suffer from macular degeneration (loss of eyesight). In a study on 5 000 women over the age of 40, sufficient vitamin B12 intake was linked to 34-41% lowered risk of macular degeneration.

Detailed explanation-5: -Vitamin C forms collagen, a protein that provides structure to your eyes. Observational studies suggest that this vitamin may protect against cataracts and help prevent the progression of AMD.

There is 1 question to complete.