The nurse is explaining the anatomy of the eye to an adolescent client who wants to start wearing contact lenses. What eye structure will the nurse identify as supplying nutrients to the eye and removing wastes?
1. Conjunctiva layer
2. Vitreous humor
3. Lacrimal apparatus
4. Aqueous humor
Correct Answer: 4
Rationale 1: The conjunctiva is the mucous membrane that lines the inner surfaces of the eyelids and the anterior portion of the sclera.
Rationale 2: Vitreous humor is located in the posterior chamber of the eye and helps to keep the retina in place.
Rationale 3: The lacrimal apparatus produces tears and helps to protect the eye.
Rationale 4: Aqueous humor is the fluid contained in the anterior chamber that helps maintain the shape of the eye and circulates to supply nutrients and remove waste.
Global Rationale: Aqueous humor is the fluid contained in the anterior chamber that helps maintain the shape of the eye and circulates to supply nutrients and remove waste. The conjunctiva is the mucous membrane that lines the inner surfaces of the eyelids and the anterior portion of the sclera. Vitreous humor is located in the posterior chamber of the eye and helps to keep the retina in place. The lacrimal apparatus produces tears and helps to protect the eye.
You might also like to view...
The LPN/LVN giving primaquine must know this medication is used to treat which condition?
a. Pneumonia b. Cardiac disease c. Edema of the legs d. Malaria
A client has had minor surgery and asks the nurse what he can use for pain. Which of the following would be most appropriate for the nurse to suggest?
A) Aspirin B) Diflunisal C) Magnesium salicylate D) Acetaminophen
The nurse would caution a client with arthritis that this chronic inflammatory disease increases the risk for CHD through the
a. amount of aspirin taken as a remedy for arthritis. b. decreased physical activity relative to arthritic discomfort. c. increased level of C-reactive protein. d. increased release of histamines.
A pregnant woman at 25 weeks of gestation told the nurse that she dropped a pan last week and her baby jumped at the noise. Which of the following responses by the nurse is most ac-curate?
1. "That must have been a coincidence; babies cannot respond like that.". 2. "The fetus is demonstrating the aural reflex.". 3. "Babies respond to sound starting at about 24 weeks of gestation.". 4. "Let me know if it happens again; we need to report that to your midwife.".