The physician has ordered a peripheral IV to be inserted before the patient goes for computed tomography. What should the nurse do when selecting a site on the hand or arm for insertion of an IV catheter?

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ATI Fluid Electrolyte and Acid-Base Regulation Questions

Question 1 of 9

The physician has ordered a peripheral IV to be inserted before the patient goes for computed tomography. What should the nurse do when selecting a site on the hand or arm for insertion of an IV catheter?

Correct Answer: B

Rationale: The correct answer is B because considering potential effects on the patient's mobility is crucial when selecting a site for IV insertion. Mobility can be affected if the IV is placed in a joint area or on the dominant hand. This could limit the patient's ability to move freely during and after the procedure. Therefore, it is important to choose a site that will not hinder the patient's movement. A: Choosing a hairless site is not the most important factor when selecting a site for IV insertion. C: Having the patient hold his arm over his head before insertion is not necessary and may cause discomfort for the patient. D: Leaving the tourniquet on for at least 3 minutes is not recommended as it can lead to complications such as venous stasis.

Question 2 of 9

You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?

Correct Answer: A

Rationale: The correct answer is A: Increased serum sodium. High serum sodium levels trigger the release of antidiuretic hormone (ADH) from the pituitary gland to help retain water in the body and maintain fluid balance. This is a physiological response to prevent further dehydration. Decreased serum potassium (choice B), decreased hemoglobin (choice C), and increased platelets (choice D) do not directly stimulate the release of ADH. Hence, they are incorrect choices in this scenario.

Question 3 of 9

A nurse assesses a client who is experiencing an acid-base imbalance. The clients arterial blood gas values are pH 7.34, PaO2 88 mm Hg, PaCO2 38 mm Hg, and HCO3 19 mEq/L. Which assessment should the nurse perform first?

Correct Answer: A

Rationale: The correct answer is A: Cardiac rate and rhythm. In an acid-base imbalance, the pH is below the normal range indicating acidosis. The nurse should assess the cardiac rate and rhythm first because acidosis can have negative effects on the cardiovascular system. Acidosis can lead to arrhythmias and decreased cardiac output. Monitoring the cardiac rate and rhythm is crucial to detect any cardiac complications early. Choices B, C, and D are not the priority in this situation as they are not directly impacted by acid-base imbalances.

Question 4 of 9

A nurse is caring for a client with a peripheral vascular access device who is experiencing pain, redness, and swelling at the site. After removing the device, which action should the nurse take to relieve pain?

Correct Answer: B

Rationale: The correct answer is B: Place warm compresses on the site. Warm compresses can help increase blood flow, reduce pain, and promote healing at the site of inflammation. The warmth can help dilate blood vessels, increasing circulation to the area and promoting the removal of inflammatory substances. This can help alleviate pain and reduce swelling. Administering topical lidocaine (choice A) may not address the underlying cause of pain and redness. Administering oral pain medication (choice C) may be necessary for severe pain but may not directly address the local inflammation. Massaging the site with scented oils (choice D) can potentially introduce more irritants and should be avoided in cases of inflammation.

Question 5 of 9

You are the nurse caring for a patient who is to receive IV daunorubicin, a chemotherapeutic agent. You start the infusion and check the insertion site as per protocol. During your most recent check, you note that the IV has infiltrated so you stop the infusion. What is your main concern with this infiltration?

Correct Answer: A

Rationale: The correct answer is A: Extravasation of the medication. Extravasation occurs when the infused medication leaks into surrounding tissues, potentially causing tissue damage and necrosis. This is a serious concern with vesicant medications like daunorubicin. If left untreated, it can lead to severe complications. Choice B: Discomfort to the patient is incorrect because while discomfort may occur with infiltration, the main concern is the potential for tissue damage from extravasation. Choice C: Blanching at the site is incorrect as it is a common sign of infiltration, but the main concern is the possibility of extravasation and tissue damage. Choice D: Hypersensitivity reaction to the medication is incorrect as it is a different type of reaction that is not directly related to infiltration or extravasation.

Question 6 of 9

A nurse assesses a client who was started on intraperitoneal therapy 5 days ago. The client reports abdominal pain and feeling warm. For which complication of this therapy should the nurse assess this client?

Correct Answer: D

Rationale: The correct answer is D, infection. The client's symptoms of abdominal pain and feeling warm are indicative of a potential infection, which is a common complication of intraperitoneal therapy. Step-by-step rationale: 1. Abdominal pain can be a sign of peritonitis, an infection of the peritoneal cavity. 2. Feeling warm may indicate a fever, a common symptom of infection. 3. Prompt assessment and treatment of infection are crucial to prevent complications. Summary of other choices: A, allergic reaction - unlikely given the symptoms described; B, bowel obstruction - does not align with the symptoms provided; C, catheter lumen occlusion - not typically associated with abdominal pain and feeling warm.

Question 7 of 9

A nurse teaches a client who is prescribed a central vascular access device. Which statement should the nurse include in this clients teaching?

Correct Answer: C

Rationale: Correct Answer: C Rationale: 1. Choice C is correct because it emphasizes the importance of cleaning connections before accessing the device to prevent infection. 2. Sterile technique during insertion cannot guarantee no risk of infection (Choice B). 3. Wearing a sling is unnecessary for a central vascular access device (Choice A). 4. The statement about not being able to take a bath is not accurate and is not a common restriction (Choice D).

Question 8 of 9

A nurse is caring for a client who is having a subclavian central venous catheter inserted. The client begins to report chest pain and difficulty breathing. After administering oxygen, which action should the nurse take next?

Correct Answer: B

Rationale: The correct answer is B: Prepare to assist with chest tube insertion. Chest pain and difficulty breathing after subclavian central venous catheter insertion could indicate a pneumothorax, a potential complication. Chest tube insertion is indicated to help re-expand the lung and relieve the pressure in the thoracic cavity. This intervention takes priority over the other options because it addresses the potential life-threatening complication of a pneumothorax. Administering nitroglycerin (choice A) is not indicated for chest pain in this scenario. Placing a sterile dressing over the IV site (choice C) is not appropriate for managing chest pain and difficulty breathing. Re-positioning the client into the Trendelenburg position (choice D) is not effective in addressing a pneumothorax and may worsen the client's condition.

Question 9 of 9

A nurse evaluates the following arterial blood gas values in a client: pH 7.48, PaO2 98 mm Hg, PaCO2 28 mm Hg, and HCO3 22 mEq/L. Which client condition should the nurse correlate with these results?

Correct Answer: B

Rationale: The correct answer is B: Anxiety-induced hyperventilation. The arterial blood gas values show a pH of 7.48 (alkalosis) with low PaCO2 (respiratory alkalosis), which is consistent with hyperventilation due to anxiety. HCO3 is within normal range, ruling out metabolic causes. A: Diarrhea and vomiting would lead to metabolic acidosis with low pH and decreased HCO3. C: COPD would typically present with respiratory acidosis (high PaCO2) and normal to high HCO3. D: Diabetic ketoacidosis and emphysema would show metabolic acidosis with low pH and low HCO3.

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