Nursing Elites

1. Which of the following is an essential nutrient required for preventing neural tube defects?

• A. Iron
• B. Vitamin C
• C. Calcium
• D. Folic acid

Correct answer: D

Rationale: Folic acid is a crucial nutrient required for preventing neural tube defects during pregnancy. It plays a vital role in the development of the neural tube in the fetus, reducing the risk of defects such as spina bifida and anencephaly. It is recommended that women of childbearing age consume adequate amounts of folic acid, either through diet or supplements, to support a healthy pregnancy and prevent these serious birth defects.

2. Which of the following is a common sign of dehydration in infants?

• A. Frequent urination
• B. Sunken fontanelle
• C. Excessive drooling
• D. Increased appetite

Correct answer: B

Rationale: A sunken fontanelle is a common sign of dehydration in infants. The fontanelle is the soft spot on an infant's head where the skull bones have not yet fused. When an infant is dehydrated, the fontanelle can appear sunken or indented. It is important for caregivers and healthcare providers to recognize this sign promptly to ensure timely intervention and hydration for the infant.

3. What is the best reason for administering vitamin A to a postpartum client?

• A. To help strengthen her immune system
• B. To improve her vision
• C. To protect her from infection
• D. To promote wound healing

Correct answer: A

Rationale: Vitamin A is crucial for maintaining the integrity of epithelial tissues, which are the body's first line of defense against pathogens. By supporting the immune system, vitamin A helps protect the postpartum client from infections and promotes overall health.

4. Sputum examination is the major screening tool for pulmonary tuberculosis. Clients may sometimes receive false negative results in this exam. This means that the test is not perfect in terms of which characteristic of a diagnostic examination?

• A. Effectiveness
• B. Efficacy
• C. Specificity
• D. Sensitivity

Correct answer: D

Rationale: Sensitivity is the ability of a diagnostic test to correctly identify individuals with the disease. A test with high sensitivity will rarely give false negative results, as it will detect almost all positive cases. In the context of the given scenario, false negative results indicate that the test is lacking in sensitivity to pick up all cases of pulmonary tuberculosis, leading to some cases being missed.

5. Which of the following is an example of a waterborne disease?

• A. Hepatitis A
• B. Influenza
• C. Measles
• D. Tuberculosis

Correct answer: A

Rationale: Hepatitis A is a waterborne disease caused by a virus that can be transmitted through contaminated water or food. Ingestion of even microscopic amounts of fecal matter from an infected person can lead to infection. It is important to practice good hygiene and ensure water sources are clean to prevent the spread of Hepatitis A.

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