What will the nurse teach the child with cystic fibrosis to take in order to facilitate digestion and absorption of nutrients?
Pancreatic enzymes.
Water-soluble minerals.
Fat-soluble vitamins.
Salt supplements.
The Correct Answer is A
Choice A rationale
Cystic fibrosis primarily affects exocrine glands, leading to thick, viscous secretions that obstruct the pancreatic ducts. This obstruction prevents the release of pancreatic enzymes (e.g., lipase, amylase, protease) into the small intestine, impairing the digestion of fats, carbohydrates, and proteins, thus requiring exogenous enzyme supplementation.
Choice B rationale
Water-soluble minerals like sodium, potassium, and chloride are generally absorbed through active transport or diffusion in the intestines. While fluid and electrolyte imbalances can occur in CF, the primary digestive issue is enzyme deficiency, not a direct lack of water-soluble mineral absorption, although some may be affected indirectly.
Choice C rationale
Fat-soluble vitamins (A, D, E, K) require pancreatic lipase for their absorption, as they are dissolved in dietary fats. Due to the impaired fat digestion in CF, malabsorption of these vitamins is common, necessitating supplementation, but the fundamental issue addressed by enzymes is overall nutrient digestion, not just vitamins.
Choice D rationale
Salt supplements are often required in cystic fibrosis due to excessive sodium and chloride loss in sweat, particularly during hot weather or exercise. However, salt supplements do not directly facilitate the digestion and absorption of macronutrients; their role is to maintain electrolyte balance and prevent dehydration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Discoloration of tooth enamel is not a primary concern with dry powder inhalers. While some medications can cause oral changes, the main issue with inhaled corticosteroids, often delivered via dry powder inhalers, is localized fungal overgrowth, not direct enamel staining. Good oral hygiene is generally recommended but specifically targets fungal prevention.
Choice B rationale
Halitosis, or bad breath, is not a direct or primary consequence of dry powder inhaler use. While poor oral hygiene can contribute to halitosis, the mechanism for rinsing after inhaler use is to remove residual medication, thereby preventing more significant oral complications like fungal infections.
Choice C rationale
Irritation of oral membranes can occur, but it is not the most significant or common complication that rinsing aims to prevent. Residual powder can cause some local irritation, but the predominant risk with long-term use of inhaled corticosteroids, which are frequently in dry powder inhalers, is opportunistic fungal growth.
Choice D rationale
Rinsing the mouth after using a dry powder inhaler, especially one containing corticosteroids, is crucial to prevent candidiasis. Residual corticosteroid particles in the oral cavity can suppress the local immune response, allowing *Candida albicans*, a yeast normally present in small amounts, to proliferate and cause an oral thrush infection.
Correct Answer is D
Explanation
Choice A rationale
While nutrition is important, Meals on Wheels primarily addresses food insecurity and nutritional support for homebound individuals. For tuberculosis, the most critical long-term need is adherence to a complex medication regimen, which is not directly addressed by meal delivery services.
Choice B rationale
Occupational therapy focuses on helping individuals return to work or daily activities, and while long-term illness can impact this, it's not the immediate priority for ensuring effective treatment and preventing drug resistance in tuberculosis management.
Choice C rationale
Physical therapy is concerned with mobility and physical function. While a client with a chronic illness might experience deconditioning, it is not the primary or most critical referral for successful long-term tuberculosis therapy, which heavily relies on medication adherence.
Choice D rationale
Directly observed therapy (DOT) by visiting nurses is crucial for ensuring medication adherence in tuberculosis treatment. This strategy significantly improves treatment completion rates, reduces the development of drug-resistant strains, and prevents further transmission by directly observing clients taking their medications, which is vital for a successful outcome.
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