foundations of nursing test bank

Correct Answer: A

Rationale: The correct answer is A because floaters are commonly caused by age-related changes in the vitreous humor of the eye, such as the formation of tiny fibers or clumps. These floaters are typically harmless and not a cause for concern. Choice B is incorrect because glasses do not affect floaters in the eye. Choice C is incorrect because floaters are not a primary symptom of glaucoma. Choice D is incorrect because weakened ciliary muscles are not typically associated with floaters. Therefore, the most appropriate interpretation is that seeing floaters is a normal aging process of the eye.

Correct Answer: B

Rationale: The correct answer is B because it shows an understanding that being HIV-positive does not guarantee transmission to the baby. The statement acknowledges the possibility of the baby not being affected, which demonstrates awareness of the varying outcomes. Choice A is incorrect as it assumes abortion is the only option. Choice C is incorrect as it makes an extreme and inaccurate claim. Choice D is incorrect as pregnancy does not decrease the chance of developing AIDS.

Correct Answer: A

Rationale: Rationale: 1. Insulin needs change during pregnancy due to hormonal changes. 2. During the first trimester, insulin needs may decrease. 3. During the second and third trimesters, insulin needs increase. 4. Postpartum, insulin needs return to pre-pregnancy levels. Therefore, choice A is correct as insulin needs vary based on gestational stage. Choices B, C, and D are incorrect because insulin needs do not uniformly increase or decrease throughout pregnancy or due to fetal insulin production.

Correct Answer: D

Rationale: The correct answer is D, performance of pelvic muscle exercises. Pelvic muscle exercises, also known as Kegel exercises, help strengthen the pelvic floor muscles which support the bladder, uterus, and bowel. By strengthening these muscles, the risk of developing cystocele, rectocele, and uterine prolapse postpartum is reduced. It is a proactive approach to prevent these conditions. Choice A, maintenance of good perineal hygiene, is important for preventing infections but does not specifically address the risk of pelvic organ prolapse. Choice B, prevention of constipation, is also important but does not directly target the muscle weakness that contributes to prolapse. Choice C, increased fluid intake for 2 weeks postpartum, is not as effective in preventing prolapse as pelvic muscle exercises. In summary, pelvic muscle exercises are the most appropriate recommendation as they directly address strengthening the muscles that support the pelvic organs, reducing the risk of prolapse postpartum.

Correct Answer: C

Rationale: The correct answer is C because folic acid is crucial in preventing neural tube defects and anemia in the developing fetus. The nurse should teach the expectant mother about the importance of taking folic acid supplements before and during pregnancy. Folic acid is essential for proper cell division and growth, reducing the risk of birth defects. Choice A is incorrect because calcium intake is important throughout pregnancy, not just in the first trimester. Choice B is incorrect as protein intake should be adequate to support maternal and fetal growth, not decreased. Choice D is incorrect as excessive intake of vitamins and minerals can be harmful to the mother and the baby. In summary, the expectant mother should be educated on the importance of folic acid supplementation to prevent birth defects and anemia, while also ensuring a balanced diet with all essential nutrients.