Nursing Elites

1. Which of the following elements does not exist as a diatomic molecule?

• A. boron
• B. fluorine
• C. oxygen
• D. nitrogen

Correct answer: A

Rationale: The correct answer is 'boron.' Diatomic molecules consist of two atoms of the same element bonded together. Boron is an exception and does not exist naturally as a diatomic molecule. On the other hand, fluorine, oxygen, and nitrogen commonly exist as diatomic molecules in their natural states. Fluorine, for example, exists as F2, oxygen exists as O2, and nitrogen exists as N2.

2. When an American Indian seeks help at the clinic for regulating her diabetes, the nurse can expect that she:

• A. will comply with the treatment prescribed.
• B. has not necessarily given up her beliefs in naturalistic causes of disease.
• C. may also be seeking the assistance of a shaman or medicine man.
• D. may need extra help in dealing with her illness and may be experiencing a crisis of faith.

Correct answer: C

Rationale: It is important to recognize that individuals from American Indian cultures may incorporate traditional healing practices, such as seeking the assistance of a shaman or medicine man, alongside biomedical treatments. This holistic approach to health and healing is a significant aspect of their cultural beliefs and practices. Choice A is incorrect because compliance with treatment may vary among individuals and cannot be generalized. Choice B is incorrect as it assumes that seeking traditional help means giving up beliefs in naturalistic causes of disease, which is not necessarily the case. Choice D is incorrect as it makes assumptions about the patient's emotional state and crisis of faith without evidence. Overall, understanding and respecting the integration of traditional healing practices is key to providing culturally sensitive care.

3. A newborn weighs 8 pounds 5 ounces. There are 453.59 grams per pound. What is the infant's weight in grams?

• A. A. 2268 grams
• B. B. 3629 grams
• C. C. 3770 grams
• D. D. 3856 grams

Correct answer: B

Rationale: To convert pounds and ounces to grams: 8 pounds = 8 × 453.59 = 3,628.72 grams. 5 ounces = (5 ÷ 16) × 453.59 = 141.75 grams. Total weight = 3,628.72 + 141.75 = 3,629 grams (rounded). Therefore, the infant's weight is approximately 3,629 grams. Choice A, 2268 grams, is incorrect as it does not account for the weight in ounces. Choice C, 3770 grams, is incorrect as it is not the accurate converted weight. Choice D, 3856 grams, is incorrect as it does not consider the conversion of ounces to grams.

4. What is the main function of the circulatory system?

• A. Transporting oxygen and nutrients
• B. Removing waste products
• C. Regulating body temperature
• D. Protecting organs

Correct answer: A

Rationale: The main function of the circulatory system is to transport oxygen and nutrients to the body's cells while removing waste products. Oxygen and nutrients are carried by the blood to various tissues and organs, ensuring they receive essential elements for their proper function. Waste products are then removed from the cells and transported to the appropriate organs for elimination. This process ensures the overall well-being and functionality of the body. Choice B, removing waste products, is partially correct as one of the functions of the circulatory system is indeed to eliminate waste from the body. However, the primary function is to transport oxygen and nutrients. Choice C, regulating body temperature, is incorrect as temperature regulation is mainly controlled by the body's respiratory and integumentary systems. Choice D, protecting organs, is not a primary function of the circulatory system; protection is more closely associated with the immune system and the skeletal system.

5. Which type of muscle tissue is found in the walls of hollow organs?

• A. Skeletal muscle
• B. Cardiac muscle
• C. Smooth muscle
• D. Striated muscle

Correct answer: C

Rationale: Smooth muscle tissue is found in the walls of hollow organs such as the intestines, blood vessels, and bladder. It contracts involuntarily, allowing for functions like peristalsis in the intestines and regulation of blood flow in blood vessels. Skeletal muscle (Choice A) is attached to bones, cardiac muscle (Choice B) is found in the heart, and striated muscle (Choice D) refers to both skeletal and cardiac muscles due to their striped appearance, but neither of these types are typically found in the walls of hollow organs.

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