During a home visit, a nurse sees a client with COPD receiving oxygen at 2 L/min through a nasal cannula. The client reports difficulty breathing. What is the priority nursing action at this time?

A. Increase the oxygen flow to 3 L/min.

B. Evaluate the client's respiratory status.

C. Call emergency services for the client.

D. Instruct the client to cough and clear secretions.

Correct Answer: Evaluate the client's respiratory status.
Rationale: The priority nursing action in this situation is to evaluate the client's respiratory status. When a client with COPD on oxygen therapy experiences difficulty breathing, the nurse should first assess the client's respiratory status to determine the severity of the situation. Increasing the oxygen flow without proper assessment can be harmful if not clinically indicated. While calling emergency services may eventually be necessary, it should not be the immediate action without assessing the client first. Instructing the client to cough and clear secretions is not appropriate as the nurse needs to evaluate the respiratory status before proceeding with interventions.

A client prescribed home oxygen therapy is receiving discharge teaching from a nurse. Which statement by the client indicates a need for further teaching?

• A. I will be able to tell the amount of oxygen being delivered by looking at the flowmeter.
• B. I should contact my doctor if I notice a decrease in my ability to concentrate.
• C. I will ensure that visitors smoke outside.
• D. I should see a frosty buildup on the tank when I refill my portable oxygen.

Correct Answer: A: "I will be able to tell the amount of oxygen being delivered by looking at the flowmeter."
Rationale: The correct answer is A. The client's statement indicates a need for further teaching because the flowmeter indicates the flow rate of oxygen, not the total amount of oxygen being delivered. Choices B, C, and D demonstrate understanding of safety measures and indications for seeking medical attention in relation to home oxygen therapy, making them appropriate statements.

A client who is HIV-positive, has pneumonia and is not responding to antibiotic therapy may have active pulmonary tuberculosis (TB) due to exposure history and symptoms of night sweats and hemoptysis. Which test is the most reliable to confirm the diagnosis of active pulmonary TB?

• A. Chest x-ray
• B. Presence of bronchophony
• C. Mantoux test
• D. Sputum culture for acid-fast bacillus

Correct Answer: Sputum culture for acid-fast bacillus
Rationale: The correct answer is D: Sputum culture for acid-fast bacillus. The most reliable test to confirm the diagnosis of active pulmonary TB is the sputum culture for acid-fast bacillus. This test helps identify the presence of Mycobacterium tuberculosis, the causative agent of TB, in the sputum. Chest x-rays can show characteristic findings of TB but are not as reliable as sputum cultures for confirmation. Bronchophony is a test for assessing vocal resonance and is not specific for TB diagnosis. The Mantoux test is a screening test for TB exposure but cannot confirm active disease.

In preparation for the discharge of a client with peripheral arterial disease (PAD), the nurse should include which of the following instructions?

• A. Apply a heating pad on a low setting to help relieve leg pain.
• B. Adjust the thermostat so that the environment is warm.
• C. Wear antiembolic stockings during the day.
• D. Rest with the legs above heart level.

Correct Answer: Rest with the legs above heart level.
Rationale: Resting with the legs above heart level is important for clients with peripheral arterial disease (PAD) to promote better circulation and reduce leg pain. Applying a heating pad on a low setting can actually worsen symptoms by causing burns or increasing blood flow to the area, which is not recommended for PAD. While keeping the environment warm is generally beneficial, it is not a specific instruction for managing PAD. Antiembolic stockings are typically used for preventing blood clots in hospitalized patients and may not be directly related to managing PAD at home.

A provider is discharging a client with a prescription for home oxygen therapy. Client and family teaching by the nurse should include all of the following instructions except?

• A. Cleanse the mask or collar with soapy water every other day.
• B. Ensure that the straps on the mask are secure but not too tight.
• C. Apply petroleum jelly around and inside the nares.
• D. Post 'no smoking' warning signs at home in a prominent location.

Correct Answer: Apply petroleum jelly around and inside the nares
Rationale: When providing instructions for home oxygen therapy, it is important to ensure safety and proper care. Choices A, B, and D are all essential instructions for the client and family. Choice C, 'Apply petroleum jelly around and inside the nares,' is incorrect. Petroleum jelly should not be used near oxygen sources as it is flammable and can increase the risk of fire hazard. Therefore, this instruction should not be included in the teaching.