A client receiving mechanical ventilation has a pH of 7.26, PaCO2 of 68 mm Hg, and a PaO2 of 92 mm Hg. Which intervention should the nurse implement?Reference Range:
Arterial Blood Gas (ABG)
pH [Adult/child: 7.35 to 7.45]
PaCO2 [Adult/child: 35 to 45 mm Hg)
HCO- [Adult/child: 21 to 28 mEq/L (21 to 28 mmol/L)] PaO2 [Adult/child: 80 to 100 mm Hg)

Increase rate of ventilation.

Decrease expiratory flow time.

Increase ventilator tidal volume.

Decrease expiratory pressure.

Answer and Explanation

The Correct Answer is A

Rationale

A. The client's pH is low (acidotic), and the PaCO2 is high (respiratory acidosis). Increasing the rate of ventilation (respiratory rate) can help to decrease PaCO2 by increasing alveolar ventilation, thereby helping to correct respiratory acidosis.

B. Expiratory flow time affects the time available for exhalation. While this may affect the overall mechanics of ventilation, it is not directly targeting the primary issue of elevated PaCO2 and acidosis.

C. Increasing tidal volume increases the volume of air delivered with each breath. This can improve ventilation efficiency but may not address the underlying problem of elevated PaCO2 unless it leads to increased minute ventilation.

D. Expiratory pressure is related to positive end-expiratory pressure (PEEP), which helps maintain alveolar recruitment and improve oxygenation. Decreasing expiratory pressure may not directly address the elevated PaCO2 and acidosis.

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Naxlex Comprehensive Predictor Exams

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Free Nursing Study Resources

Correct Answer is D

Explanation

Rationale

A. Using water with 5% dextrose (DW) is appropriate for irrigating certain types of catheters, especially those that require a non-saline solution to maintain patency. However, the choice of irrigation solution should be based on the specific type of catheter and the facility's policies. It does not directly address the immediate issue of the luer-lock syringe.

B. Sending someone else to gather equipment may be necessary in some situations but does not address the current issue of the nurse preparing to irrigate with a luer-lock tipped syringe. This option delays addressing the immediate concern.

C. Applying povidone (such as povidone-iodine solution) to the site is a step in the preparation for aseptic technique but does not address the specific issue of the syringe type or the irrigation process itself.

D. Luer-lock syringes are commonly used for irrigation purposes because they securely attach to irrigation ports, preventing accidental disconnection during the procedure. Directing the nurse to attach the luer-lock syringe ensures that the irrigation can be performed safely and effectively.

A. I should have taken an extra dose of fluticasone- salmeterol. B. I should have taken some allergy medications before going on the hike. C. I have been very stressed out lately and should work on stress management. D. I should have eaten a snack halfway through the hike. E. My friend smoked cigarettes during the hike

Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"A"}}

Explanation

Correct choices are;

A.I should have taken an extra dose of fluticasone-salmeterol -No Understanding
Explanation: Fluticasone/salmeterol is a long-acting inhaler used for maintenance therapy in asthma. It is not meant to be used as a rescue medication for acute symptoms or exacerbations. Therefore, taking an extra dose in response to symptoms would not be appropriate.

B. I should have taken some allergy medications before going on the hike -Understanding
Explanation: Allergy medications, such as antihistamines or nasal sprays, can help reduce allergic triggers that can exacerbate asthma symptoms. Taking these medications before exposure to known triggers (like allergens during a hike) can help prevent an asthma exacerbation.

C. I have been very stressed out lately and should work on stress management -Understanding
Explanation: Stress is a known trigger for asthma exacerbations. Managing stress through techniques such as relaxation exercises, mindfulness, or therapy can help reduce the likelihood of triggering asthma symptoms.

D. I should have eaten a snack halfway through the hike - No Understanding
Explanation: While maintaining good nutrition and hydration is important for overall health, eating a snack would not necessarily prevent an asthma exacerbation unless the snack contained medications or substances that specifically manage asthma symptoms.

E. My friend smoked cigarettes during the hike - Understanding
Explanation: Secondhand smoke is a common trigger for asthma exacerbations. Being exposed to cigarette smoke can irritate the airways and worsen asthma symptoms.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The charge nurse observes a new nurse preparing to irrigate an intravenous catheter. The new nurse brought a luer-lock tipped syringe. Which action should the charge nurse take?

Correct Answer is D

Explanation

Exhibits The nurse begins client education and asks the client what potential asthma triggers may have been involved in her recent exacerbation. For each statement click to specify if the client has an understanding or no understanding of asthma triggers. Each row must have one option selected.

Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"A"}}

Explanation

The nurse is teaching an older client about the prevention of osteoporosis. Which foods should the nurse recommend to the client to increase in the diet?

Exhibits Select from the options to complete the sentence. After listening to the client's symptoms, the nurse realizes that she likely has dropdown related to dropdown

The healthcare provider prescribes a low-fiber diet for a client with ulcerative colitis. Which food selection indicates to the nurse that the client understands the prescribed diet? A Baked potato with skin, raw carrots.

The healthcare provider prescribes the antibiotic cefdinir 300 mg PO every 12 hours for a client with a postoperative wound infection. Which foods should the nurse encourage this client to eat?

A newly hired unlicensed assistive personnel (UAP) is assigned to a home healthcare team along with two experienced UAPS. Which intervention should the home health nurse implement to ensure adequate care for all clients?

A client receives a prescription for 1 L of lactated Ringer's IV to be infused over 12 hours. The IV administration set delivers 15 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)