Nursing Elites

1. What is the purpose of the cuff in a Tracheostomy tube?

• A. Separate the upper and lower airway
• B. Separate trachea from the esophagus
• C. Separate the larynx from the nasopharynx
• D. Secure the placement of the tube

Correct answer: B

Rationale: The purpose of the cuff in a Tracheostomy tube is to separate the trachea from the esophagus. The cuff helps prevent aspiration by creating a seal that separates the trachea from the esophagus, reducing the risk of food or fluids entering the lungs. Choices A, C, and D are incorrect because the cuff's primary function in a Tracheostomy tube is to prevent aspiration rather than separating the upper and lower airway, larynx from the nasopharynx, or securing the placement of the tube.

2. In a patient with liver cirrhosis, weight gain due to fluid retention can mask the symptoms of what condition?

• A. Liver failure
• B. Gallbladder disease
• C. Heart failure
• D. Protein-Energy Malnutrition (PEM)

Correct answer: D

Rationale: In a patient with liver cirrhosis, weight gain due to fluid retention can mask Protein-Energy Malnutrition (PEM) symptoms. This can lead to an increase in weight, making it challenging to identify weight loss or muscle wasting associated with PEM. Therefore, option D is correct. Options A, B, and C are incorrect because fluid retention and weight gain related to liver cirrhosis do not necessarily hide the symptoms of liver failure, gallbladder disease, or heart failure.

3. Which of the following conditions is not caused by energy drinks?

• A. Nervousness
• B. Bradycardia
• C. Seizures
• D. Dental caries

Correct answer: B

Rationale: Energy drinks are known for causing a variety of health issues, including nervousness, seizures, and an increased risk of dental caries due to their high sugar content. However, they do not cause bradycardia, which is a slow heart rate. Instead, energy drinks are associated with causing an increased or rapid heart rate, known as tachycardia. Therefore, out of the listed options, bradycardia is the condition not caused by energy drinks.

4. Each statement is true of calcium within saliva, except one. Which is the exception?

• A. Saliva is supersaturated with calcium.
• B. Saliva is a source of calcium to mineralize an immature or demineralized enamel surface.
• C. Calcium and phosphate in saliva provide a buffering action.
• D. Calcium within saliva increases dental caries.

Correct answer: D

Rationale: The correct answer is D. Calcium within saliva does not increase dental caries; in fact, the buffering action provided by calcium and phosphate in saliva inhibits caries formation by preventing the dissolution of enamel by plaque biofilm. Choice A is correct as saliva is indeed supersaturated with calcium. Choice B is correct as saliva serves as a source of calcium to mineralize an immature or demineralized enamel surface. Choice C is correct as calcium and phosphate in saliva do provide a buffering action to protect teeth from acids.

5. Which neuromuscular disease is characterized by abnormal chewing and swallowing patterns, tremors of the mandible, lip, and tongue, frequent drooling, and holding food in the mouth for extended periods?

• A. Developmental disabilities
• B. Parkinson's disease
• C. Epilepsy
• D. Diabetes mellitus

Correct answer: B

Rationale: The correct answer is B, Parkinson's disease. Parkinson's disease is characterized by abnormal chewing and swallowing patterns, tremors of the mandible, lip, and tongue, frequent drooling, and difficulties in oral functions like holding food in the mouth. Developmental disabilities (Choice A) do not specifically cause these symptoms related to neuromuscular function. Epilepsy (Choice C) is a neurological disorder characterized by recurrent seizures and does not typically present with the described symptoms. Diabetes mellitus (Choice D) is a metabolic disorder that affects blood sugar regulation and does not directly cause the neuromuscular symptoms mentioned in the question.

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