Nokea
The Pseudostratified ciliated columnar epithelium lining the trachea is composed of
- A. Goblet cells
- B. Macrophages
- C. Fibroblast
- D. All these
Correct Answer: A
Rationale: The correct answer is A: Goblet cells. Goblet cells are responsible for secreting mucus in the respiratory tract, aiding in trapping and removing foreign particles. This is crucial for protecting the lungs from debris and pathogens. Macrophages are immune cells that engulf and digest pathogens, not a component of the epithelium. Fibroblasts are connective tissue cells, not part of the epithelial lining. Therefore, the correct answer is A.
You may also like to solve these questions
A nurse is providing care after auscultating a client's breath sounds. Which assessment finding is correctly matched to the nurse's primary intervention?
- A. Hollow sounds are heard over the trachea. The nurse increases the oxygen flow rate.
- B. Crackles are heard in bases. The nurse encourages the client to cough forcefully.
- C. Wheezes are heard in central areas. The nurse administers an inhaled bronchodilator.
- D. Vesicular sounds are heard over the periphery. The nurse has the client breathe deeply.
Correct Answer: C
Rationale: The correct answer is C because wheezes indicate narrowing of airways, requiring bronchodilation. Step 1: Identify the assessment finding (wheezes). Step 2: Understand that wheezes indicate airway constriction. Step 3: Appropriately intervene by administering a bronchodilator to dilate the airways and improve breathing. Other choices are incorrect because: A: Increasing oxygen flow rate does not address airway constriction. B: Encouraging coughing for crackles does not address airway narrowing. D: Deep breathing for vesicular sounds does not target airway constriction.
What is the term used to describe the fluid buildup in the lungs often seen in heart failure patients?
- A. Ascites
- B. Edema
- C. Pleurisy
- D. Effusion
Correct Answer: B
Rationale: The correct answer is B: Edema. In heart failure patients, fluid buildup in the lungs is known as pulmonary edema. This occurs due to the heart's inability to pump effectively, leading to fluid leaking into the lungs' air sacs. Ascites (A) is fluid buildup in the abdomen, not the lungs. Pleurisy (C) is inflammation of the lining around the lungs, not fluid buildup. Effusion (D) refers to fluid accumulation in body cavities like the chest or abdomen, but it is not specific to the lungs like pulmonary edema.
Dr. Jones prescribes albuterol sulfate (Proventil) for a patient with newly diagnosed asthma. When teaching the patient about this drug, the nurse should explain that it may cause:40:40H272:382:422:412:402:422:402:38
- A. Nasal congestion
- B. Nervousness
- C. Lethargy
- D. Hyperkalemia
Correct Answer: B
Rationale: The correct answer is B: Nervousness. Albuterol sulfate is a bronchodilator commonly used to treat asthma. It works by relaxing the muscles in the airways, making it easier to breathe. Nervousness is a common side effect of albuterol due to its stimulant properties. Nasal congestion (Choice A) is not a typical side effect of albuterol. Lethargy (Choice C) is also not a common side effect, as albuterol typically has a stimulating effect. Hyperkalemia (Choice D) is not associated with albuterol use.
During a health promotion program, why should the nurse plan to target women in a discussion of lung cancer prevention?
- A. Women develop lung cancer at a younger age than men.
- B. More women die of lung cancer than die from breast cancer.
- C. Women have a worse prognosis from lung cancer than do men.
- D. Women are more likely to develop small cell carcinoma than men.
Correct Answer: D
Rationale: Since the statement "Women are more likely to develop small cell carcinoma than men" is not a valid reason for targeting women in a discussion of lung cancer prevention, it becomes the correct answer in this context.
A male client with chronic obstructive pulmonary disease (COPD) is recovering from a myocardial infarction. Because the client is extremely weak and can't produce an effective cough, the nurse should monitor closely for:
- A. Pleural effusion
- B. Pulmonary edema
- C. Atelectasis
- D. Oxygen toxicity
Correct Answer: C
Rationale: The correct answer is C: Atelectasis. In a client with COPD recovering from a myocardial infarction, the weakened state and ineffective cough can lead to the collapse of alveoli, causing atelectasis. This condition can further impair gas exchange and oxygenation, leading to respiratory distress. Monitoring for atelectasis is crucial to prevent complications. Pleural effusion (A) and pulmonary edema (B) are not directly related to the client's condition and symptoms. Oxygen toxicity (D) is a potential concern with high oxygen therapy but is not the most immediate risk for this client scenario.