Nokea
A client who has been diagnosed with carbon monoxide poisoning is asking that the oxygen mask be removed. The nurse shares with the client that the oxygen may be safely removed once the carboxyhemoglobin level decreases to less than which level?
- A. 5%
- B. 10%
- C. 15%
- D. 25%
Correct Answer: A
Rationale: Oxygen may be removed safely from the client with carbon monoxide poisoning once carboxyhemoglobin levels are less than 5%. Normal carboxyhemoglobin (HbCO) levels are 0% to 3% for nonsmokers and 3% to 8% for smokers. Levels of 10% to 20% cause headaches, nausea, vomiting, and dyspnea. Levels of 30% to 40% cause severe headaches, syncope, and tachydysrhythmias. Levels greater than 40% cause Cheyne-Stokes respiration or respiratory failure, seizures, unconsciousness, permanent brain damage, cardiac arrest, and even death. Options 2, 3, and 4 are elevated levels.
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A pregnant client reports that her last menstrual period was February 9, 2018. Using Nägele's rule, what will the nurse determine as the estimated date of birth?
- A. 7-Oct-18
- B. 16-Oct-18
- C. 7-Nov-18
- D. 16-Nov-18
Correct Answer: D
Rationale: Accurate use of Nägele's rule requires that the woman has a regular 28-day menstrual cycle. To calculate the estimated date of birth, the nurse would subtract 3 months from the first day of the last menstrual period, add 7 days, and then adjust the year as appropriate. First day of last menstrual period: February 9, 2018; subtract 3 months: November 9, 2017; add 7 days: November 16, 2017; and add 1 year, November 16, 2018.
The nurse assists the primary health care provider with the removal of a chest tube. During the procedure, the nurse instructs the client to perform which action?
- A. Inhale deeply.
- B. Breathe normally.
- C. Breathe out forcefully.
- D. Take a deep breath and hold it.
Correct Answer: D
Rationale: The client is instructed to take a deep breath and hold it for chest tube removal. This maneuver will increase intrathoracic pressure, thereby lessening the potential for air to enter the pleural space. Therefore, options 1, 2, and 3 are incorrect.
The nurse monitoring a postoperative client should recognize which behaviors as indicators that the client is in pain? Select all that apply.
- A. Gasping
- B. Lip biting
- C. Muscle tension
- D. Pacing activities
- E. Staring out the window
- F. Asking for the television to be turned off
Correct Answer: A,B,C,D
Rationale: The nurse should assess verbalization, vocal response, facial and body movements, and social interaction as indicators of pain. Behavioral indicators of pain include gasping, lip biting (facial expressions), muscle tension, pacing activities, moaning, crying, grunting (vocalizations), grimacing, clenching teeth, wrinkling the forehead, tightly closing or widely opening the eyes or mouth, restlessness, immobilization, increased hand and finger movements, rhythmic or rubbing motions, protective movements of body parts (body movement), avoidance of conversation, focusing only on activities for pain relief, avoiding social contacts and interactions, and reduced attention span. Options 5 and 6 are not to be assumed as pain-related behaviors because there can be a variety of reasons for such actions.
The nurse has just finished assisting the primary health care provider in placing a central intravenous (IV) line. Which is a priority intervention to assure the client's safety?
- A. Assessing the client's pain level
- B. Assessing the client's temperature
- C. Preparing the client for a chest x-ray
- D. Monitoring the client's blood pressure (BP)
Correct Answer: C
Rationale: A major risk associated with central line placement is the possibility of a pneumothorax developing from an accidental puncture of the lung. Assessing the results of a chest radiograph is one of the best methods to determine if this complication has occurred and verify catheter tip placement before initiating IV therapy. A temperature elevation related to central line insertion would not likely occur immediately after placement. Pain management is important but is not the priority at this point. Although BP assessment is always important in assessing a client's status after an invasive procedure, fluid volume overload is not a concern until IV fluids are started.
The nurse, caring for a client in the active stage of labor, is monitoring the fetal status and notes that the monitor strip shows a late deceleration. Based on this observation, which action should the nurse plan to take immediately?
- A. Document the findings.
- B. Prepare for immediate birth.
- C. Increase the rate of an oxytocin infusion.
- D. Administer oxygen to the client via face mask.
Correct Answer: D
Rationale: Late decelerations are caused by uteroplacental insufficiency as the result of decreased blood flow and oxygen transfer to the fetus through the intervillous space during the uterine contractions. This causes hypoxemia; therefore, oxygen is necessary. Although the finding needs to be documented, documentation is not the priority action in this situation. Late decelerations are considered an ominous sign but do not necessarily require immediate birth of the baby. The oxytocin infusion should be discontinued when a late deceleration is noted. The oxytocin would cause further hypoxemia because the medication stimulates contractions and leads to increased uteroplacental insufficiency.