Nokea
If the thoracic wall but not lungs is punctured
- A. The lungs get inflated
- B. The man dies as lungs get collapsed
- C. The breathing rate decrease
- D. The breathing rate increase
Correct Answer: B
Rationale: The correct answer is B because if the thoracic wall is punctured but not the lungs, air will enter the pleural cavity causing a pneumothorax. This leads to lung collapse and can result in death due to impaired gas exchange. Choices A and C are incorrect as the lungs do not get inflated and breathing rate does not decrease. Choice D is incorrect as the breathing rate actually increases in response to the decreased lung function.
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A client seen in the emergency department reports fever,fatigue and dry cough but no other upper respiratory symptoms. A chest x-ray reveals mediastinal widening. What action by the nurse is best?
- A. Collect a sputum sample for culture by deep suctioning.
- B. Inform the client that oral antibiotics will be needed for 60 days.
- C. Place the client on Airborne Precautions immediately.
- D. Tell the client that directly observed therapy is needed.
Correct Answer: B
Rationale: The correct answer is B: Inform the client that oral antibiotics will be needed for 60 days. This is the best action because the client is showing symptoms consistent with tuberculosis, such as fever, fatigue, dry cough, and mediastinal widening on chest x-ray. Treatment for tuberculosis typically involves a combination of oral antibiotics for a prolonged period, usually 6-9 months. Collecting a sputum sample for culture by deep suctioning (A) may be necessary to confirm the diagnosis but is not the priority at this moment. Placing the client on Airborne Precautions immediately (C) is important once the diagnosis is confirmed, not the initial action. Directly observed therapy (D) is a method to ensure adherence to medication but is not the immediate next step.
Which dietary modification helps to meet the nutritional needs of patients with COPD?
- A. Eating a high-carbohydrate, low-fat diet
- B. Avoiding foods that require a lot of chewing
- C. Preparing most foods of the diet to be eaten hot
- D. Drinking fluids with meals to promote digestion
Correct Answer: B
Rationale: Patients with COPD may have difficulty chewing due to dyspnea, so avoiding foods that require a lot of chewing helps in meeting their nutritional needs. Choosing foods that are easier to eat can prevent fatigue during meals and ensure adequate nutrition intake.
The cartilage which are triangular pieces of hyaline cartilage and influence the position and tension of vocal cords?
- A. thyroid cartilage
- B. paired arytenoid
- C. paired comiculate
- D. cricoid cartilage
Correct Answer: B
Rationale: The correct answer is B: paired arytenoid cartilage. These cartilages are triangular and play a crucial role in adjusting the tension and position of the vocal cords, thus affecting voice pitch and quality. The thyroid cartilage (A) is a large shield-shaped cartilage, the corniculate cartilage (C) is small and horn-shaped, and the cricoid cartilage (D) is a ring-shaped cartilage. These cartilages do not directly influence the vocal cords' tension and position.
Aminophylline (theophylline) is prescribed for a client with acute bronchitis. A nurse administers the medication, knowing that the primary action of this medication is to?
- A. Promote expectoration.
- B. Suppress the cough.
- C. Relax smooth muscles of the bronchial airway.
- D. Prevent infection.
Correct Answer: C
Rationale: The correct answer is C: Relax smooth muscles of the bronchial airway. Aminophylline (theophylline) is a bronchodilator that works by relaxing the smooth muscles in the bronchial airways, which helps to open up the airways and improve airflow. This action helps to relieve bronchospasm, which is common in conditions like acute bronchitis. Promoting expectoration (A) and suppressing cough (B) are not the primary actions of aminophylline, although they may be secondary effects. Preventing infection (D) is unrelated to the mechanism of action of aminophylline in treating acute bronchitis.
The exchange of gases between blood and cells is called
- A. pulmonary ventilation
- B. internal respiration
- C. external respiration
- D. cellular respiration
Correct Answer: B
Rationale: The correct answer is B: internal respiration. This process refers to the exchange of gases between blood and body cells. Pulmonary ventilation (A) is the process of breathing, moving air in and out of the lungs. External respiration (C) is the exchange of gases between the lungs and blood. Cellular respiration (D) is the process where cells use oxygen to produce energy. Internal respiration best describes the exchange of gases at the cellular level.