Nursing Elites

1. A teen with asthma asks the nurse why it is hard to breathe during an asthma attack. The nurse explains that exposure to a “trigger” results in which of these manifestations?

• A. Bronchodilation, muscle relaxation, and decreased mucus production
• B. Air trapping and hypo-inflation of the alveoli
• C. Air trapping and decreased blood flow to the upper airway
• D. Bronchoconstriction, airway inflammation, and excess mucus production

Correct answer: D

Rationale: The correct answer is D. Asthma triggers cause bronchoconstriction, airway inflammation, and increased mucus production, leading to difficulty breathing. This combination of manifestations results in narrowing of the airways, making it hard for the individual to breathe effectively. Choices A, B, and C are incorrect because during an asthma attack, bronchodilation, muscle relaxation, and decreased mucus production do not occur. Instead, the airways constrict, become inflamed, and produce excess mucus, contributing to the breathing difficulties experienced by individuals with asthma.

2. What is typically the first sign of puberty in females?

• A. Breast development
• B. Menarche
• C. Pubic hair growth
• D. Axillary hair growth

Correct answer: A

Rationale: The correct answer is A: Breast development (thelarche) is usually the first sign of puberty in females, typically beginning between ages 8 and 13. This marks the start of puberty, followed by pubic hair growth, a growth spurt, and eventually menarche (the onset of menstruation). Pubic hair growth and axillary hair growth usually follow breast development in the sequence of pubertal changes. Therefore, the first noticeable change indicating the onset of puberty in females is the development of breast buds.

3. Which type of breath sound is normally heard over the entire surface of the lungs except for the upper intrascapular area and the area beneath the manubrium?

• A. Vesicular
• B. Bronchial
• C. Adventitious
• D. Bronchovesicular

Correct answer: A

Rationale: Vesicular breath sounds are normally heard over most of the lung fields, except near the trachea and main bronchi, where bronchial or bronchovesicular sounds may be heard.

4. The parent of a 2-week-old infant asks the nurse if fluoride supplements are necessary because the infant is exclusively breastfed. What is the nurse's best response?

• A. The infant needs to begin taking them now.
• B. Supplements are not needed if you drink fluoridated water.
• C. The infant may need to begin taking them at age 6 months.
• D. The infant can have infant cereal mixed with fluoridated water instead of supplements.

Correct answer: C

Rationale: Breastfed infants may need fluoride supplements starting at 6 months if they are not receiving fluoride from other sources, such as drinking water.

5. What is a common sign of moderate dehydration in children?

• A. Dry mucous membranes
• B. Normal capillary refill
• C. Hyperactive bowel sounds
• D. Edema

Correct answer: A

Rationale: Dry mucous membranes are a common sign of moderate dehydration in children, indicating a loss of bodily fluids. When a child is moderately dehydrated, the mucous membranes in the mouth and nose may appear dry. This condition can occur due to various factors such as vomiting, diarrhea, or inadequate fluid intake. Normal capillary refill (choice B) is not typically associated with dehydration; it is a measure of circulatory status. Hyperactive bowel sounds (choice C) can be present in conditions like gastroenteritis but are not specific to dehydration. Edema (choice D) is the retention of fluid in the body and is not a typical sign of dehydration.

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