NCLEX high-alert medications
A comprehensive set of flashcards on high-alert medications for NCLEX preparation, including essential nursing actions, safety measures, and key normal values.
Quiz(80 questions)
1. What is the primary mechanism of action of warfarin?
Terms in this Study Set(80)
Anticoagulants and Antiplatelets(20)
Warfarin: Key action?
Inhibits vitamin K-dependent coagulation factors II, VII, IX, and X.
True or False: Anticoagulants dissolve existing clots.
False: They prevent new clots but do not dissolve existing ones.
Monitor INR for which medication?
Warfarin; target INR typically between 2.0-3.0.
Heparin: Route of administration?
Subcutaneous or intravenous.
Fill in the blank: Enoxaparin is a type of _____.
Low molecular weight heparin (LMWH).
Aspirin: Primary use?
Antiplatelet agent to prevent thrombus formation.
Comparison: Heparin vs. Warfarin?
Heparin: Fast-acting, short-term. Warfarin: Long-acting, requires monitoring.
Signs of bleeding: Nursing assessment?
Monitor for unusual bruising, blood in urine/stool, and prolonged bleeding.
What should be avoided with Warfarin?
Foods high in vitamin K (e.g., spinach, kale) due to interference.
Ticagrelor: Class?
Oral antiplatelet agent (P2Y12 inhibitor).
Nursing action: After administering anticoagulants?
Monitor vital signs and assess for signs of bleeding.
Arixtra: Mechanism of action?
Direct factor Xa inhibitor, prevents thrombin formation.
How to reverse Warfarin?
Administer vitamin K for mild cases; prothrombin complex for severe.
What is a major side effect of Anticoagulants?
Increased risk of bleeding.
How is heparin monitored?
Activated partial thromboplastin time (aPTT) levels.
Clopidogrel: Contraindications?
Active bleeding, history of intracranial hemorrhage.
Anticoagulants: Patient education tips?
Avoid activities that increase bleeding risk; inform providers about use.
True or False: Antiplatelets are only used for cardiac conditions.
False: They are used for various conditions, including stroke prevention.
Normal aPTT range while on heparin?
1.5 to 2.5 times the control value.
Cause of heparin-induced thrombocytopenia?
Antibody formation leads to platelet activation and thrombosis.
Insulin and Hypoglycemic Agents(20)
Rapid-acting insulin examples?
Lispro, Aspart, and Glulisine. Onset: 10-30 min, Peak: 30 min-3 hr.
True or False: Long-acting insulin can be mixed with other insulins.
False - Long-acting insulins (e.g., Glargine) should not be mixed.
What is the peak of Regular insulin?
Peak: 2-4 hours. Monitor for hypoglycemia during this time.
Fill in the blank: The primary hormone that lowers blood glucose is ______.
Insulin.
Nursing action for hypoglycemic agent administration?
Monitor blood glucose before and after administration. Ensure patient can eat.
Difference between Type 1 and Type 2 diabetes?
Type 1: Insulin-dependent; Type 2: Insulin resistance, may or may not need insulin.
What is the effect of Metformin?
Decreases hepatic glucose production and improves insulin sensitivity.
Normal range for fasting blood glucose?
70-100 mg/dL. Levels above indicate potential hyperglycemia.
Cause → Effect: High blood glucose levels lead to ______.
Increased risk of diabetic complications.
Dosing frequency of long-acting insulin?
Once daily, usually at the same time each day.
What does the A1C test measure?
Average blood glucose over 2-3 months. Target for many diabetics is <7%.
How to treat hypoglycemia?
Administer 15 grams of fast-acting carbohydrates, recheck in 15 min.
True or False: Insulin can be given IV.
True - Regular insulin is commonly given IV in critical care settings.
Compare Sulfonylureas and Meglitinides.
Both stimulate insulin secretion; Sulfonylureas have a longer duration than Meglitinides.
What is the onset of NPH insulin?
Onset: 1-2 hours. Duration: 10-16 hours. Administered to manage blood glucose.
Fill in the blank: Diabetes medication that causes weight loss is ______.
GLP-1 receptor agonists (e.g., Liraglutide).
What is the maximum dose of Metformin?
Maximum: 2000-2500 mg/day, depending on the specific formulation.
What are the signs of hypoglycemia?
Sweating, tremors, confusion, dizziness, and palpitations.
Nursing consideration for starting insulin therapy?
Educate patient on self-monitoring of blood glucose and signs of hypoglycemia.
True or False: Metformin is a high-alert medication.
False - Metformin is not considered a high-alert medication. However, it requires monitoring for renal function and risk of lactic acidosis. Ensure renal function is assessed before initiation.
Opioids and Sedatives(20)
Opioid side effects
Common side effects include: - Respiratory depression - Constipation - Drowsiness - Nausea - Vomiting
True or False: All opioids have the same potency.
False. Different opioids have varying potencies and dosing requirements.
What should be monitored with sedatives?
Monitor for: - Respiratory rate - Blood pressure - Level of sedation - Oxygen saturation
Fill in the blank: The antidote for opioid overdose is __________.
Naloxone (Narcan)
Compare morphine and fentanyl.
Morphine: slower onset, longer duration. Fentanyl: rapid onset, shorter duration, more potent.
Opioid overdose symptoms
Symptoms include: - Unconsciousness - Pinpoint pupils - Slow, shallow breathing - Bradycardia
What is the priority nursing action for sedation?
Ensure airway patency and monitor responsiveness.
Sedative medications can cause __________.
Cognitive impairment and decreased respiratory function.
True or False: Patients on opioids should not drive.
True. Opioids can impair motor skills and judgment.
Common high-alert sedatives
Examples include: - Midazolam - Lorazepam - Diazepam
Opioid withdrawal symptoms
Symptoms include: - Agitation - Muscle aches - Sweating - Insomnia
What is the maximum daily dose of acetaminophen?
The maximum is 4,000 mg for adults.
Safety precaution with opioids
Use the lowest effective dose for the shortest duration.
Fill in the blank: Patients should be educated on __________ when prescribed opioids.
The risk of dependence and how to use naloxone.
Question: How often should vital signs be monitored post-sedation?
Every 15 minutes for the first hour, then as per protocol.
Signs of respiratory depression in opioids
Look for: - Respiratory rate < 12 breaths/min - Decreased oxygen saturation
What is the recommended action for a patient with a respiratory rate of 8?
Administer naloxone and provide respiratory support.
Compare benzodiazepines and barbiturates.
Benzodiazepines: safer, less addictive. Barbiturates: higher risk, more severe side effects.
What is the risk of mixing opioids with alcohol?
Increased risk of respiratory depression and overdose.
Common side effects of high-alert sedatives?
- Drowsiness - Confusion - Respiratory depression - Hypotension - Paradoxical reactions (especially in elderly)
Chemotherapy and Immunosuppressants(20)
Chemotherapy agents include?
Examples include: - Doxorubicin - Cyclophosphamide - Methotrexate - Paclitaxel
True or False: Immunosuppressants increase infection risk.
True. Immunosuppressants reduce the immune response, increasing susceptibility to infections.
Adverse effect of Methotrexate?
Common effects: - Nausea - Vomiting - Bone marrow suppression - Liver toxicity
Doxorubicin requires which monitoring?
Monitor for: - Cardiac function - Signs of heart failure - Blood counts
Fill in the blank: Cyclophosphamide is primarily used in _______.
Cancer treatment, particularly for lymphomas and solid tumors.
What is an important nursing action for chemotherapy?
Assess for signs of toxicity, including: - Nausea - Vomiting - Mucositis
Compare Doxorubicin and Cyclophosphamide.
Doxorubicin: - Anthracycline - Cardiotoxicity risk. Cyclophosphamide: - Alkylating agent - Risk of bladder toxicity.
Patient safety measure for immunosuppressants?
Implement infection prevention strategies: - Hand hygiene - Avoid crowds - Regular lab monitoring
True or False: All chemotherapy can be given orally.
False. Some agents require IV administration due to metabolism or absorption issues.
Common side effect of Paclitaxel?
Peripheral neuropathy and hypersensitivity reactions. Monitor closely for these effects.
What is the mechanism of action of Methotrexate?
Inhibits dihydrofolate reductase, disrupting DNA synthesis.
Nursing action for patient on immunosuppressants?
Educate on signs of infection: - Fever - Chills - Unusual fatigue
Commonly used immunosuppressant?
Examples include: - Azathioprine - Mycophenolate mofetil - Cyclosporine
Cause of chemotherapy-induced nausea?
Chemotherapy stimulates the chemoreceptor trigger zone in the brain.
Calculate dose: 50 mg/m² for patient 1.8 m².
Dose = 50 mg/m² × 1.8 m² = 90 mg
What lab values to monitor with Cyclophosphamide?
Monitor: - Complete blood count - Liver function tests - Renal function
True or False: Bone marrow suppression is a risk for all chemotherapies.
True. It occurs due to the effect on rapidly dividing cells.
What is a common complication from immunosuppressants?
Increased risk of infections due to decreased immune response.
Nursing considerations for myelosuppressive agents?
Implement: - Infection precautions - Regular CBC monitoring - Educate about symptoms of anemia.
Dosing for Cisplatin requires what monitoring?
Renal function tests, electrolytes (especially potassium and magnesium), and hearing tests due to ototoxicity risk.
Questions in this Study Set(80)
1. What is the primary mechanism of action of warfarin?
2. What is a common side effect of opioids?
3. Which of the following is a rapid-acting insulin?
4. Which of the following is a common side effect of Cyclophosphamide?
5. Which of the following medications requires monitoring of INR levels?
6. Which opioid is known for its rapid onset and higher potency compared to morphine?
7. What is the peak action time for NPH insulin?
8. What is the primary use of Methotrexate?
9. What is the primary use of aspirin in the context of anticoagulation?
10. Fill in the blank: The antidote for sedative overdose is __________.
11. True or False: Patients on insulin therapy should check their blood glucose regularly.
12. Which immunosuppressant is used to prevent organ transplant rejection?
13. Which anticoagulant is fast-acting and usually administered intravenously?
14. Which of the following is NOT a sign of opioid overdose?
15. Fill in the blank: The primary medication used to treat Type 2 diabetes that increases insulin sensitivity is ______.
16. Which of the following is NOT a common adverse effect of Doxorubicin?
17. True or False: Anticoagulants are effective in dissolving existing blood clots.
18. What is the main safety concern when administering sedatives?
19. What is the normal fasting blood glucose range?
20. True or False: Methotrexate can be used in high doses for certain cancers.
21. What condition can result from heparin therapy?
22. Which opioid withdrawal symptom is characterized by restlessness and irritability?
23. Which of the following is NOT a side effect of hypoglycemia?
24. Which lab value is critical to monitor in a patient receiving Mycophenolate mofetil?
25. What should be monitored for patients receiving heparin?
26. What is the maximum daily dose of acetaminophen to avoid toxicity?
27. What is the maximum dose of Metformin typically recommended?
28. What is the mechanism of action of Paclitaxel?
29. Which of the following is a low molecular weight heparin (LMWH)?
30. When monitoring a patient sedated with midazolam, you should assess which vital sign first?
31. True or False: Insulin can be mixed with any other insulin type.
32. Which chemotherapy agent is most associated with bone marrow suppression?
33. Which statement about clopidogrel is true?
34. True or False: All opioids can be used interchangeably at the same dose.
35. What is the action of Sulfonylureas?
36. What nursing action is essential for a patient on immunosuppressants?
37. What dietary consideration should patients on warfarin be aware of?
38. What is a key nursing action when a patient is prescribed opioids?
39. Which of the following is a sign of hypoglycemia?
40. Which of the following is a common side effect of Cisplatin?
41. Which medication is contraindicated in active bleeding?
42. What might be a consequence of mixing opioids with alcohol?
43. Fill in the blank: The medication that mimics incretin is ______.
44. What should be monitored closely for a patient receiving Methotrexate?
45. What is the main action of ticagrelor?
46. Which of the following sedatives is most associated with paradoxical effects in the elderly?
47. What is the duration of action for regular insulin?
48. Which symptom may indicate toxicity from chemotherapy agents?
49. Which of the following is NOT a sign of anticoagulant-related bleeding?
50. Which symptom indicates that a patient may be experiencing respiratory depression?
51. What should be done if a patient experiences hypoglycemia?
52. Which of the following medications is an alkylating agent?
53. What is the correct way to reverse warfarin in severe cases?
54. In which scenario should naloxone be administered?
55. True or False: Metformin can cause weight gain in patients.
56. What is a critical nursing consideration for patients receiving Doxorubicin?
57. What factor does enoxaparin inhibit directly?
58. Which condition increases the risk of sedation-related complications?
59. Which of the following is true about long-acting insulin?
60. Which statement about immunosuppressants is true?
61. True or False: Antiplatelet medications are only used in patients with cardiovascular diseases.
62. How often should vital signs be monitored after administering a sedative?
63. What is the main hormone that raises blood glucose levels?
64. True or False: Nausea and vomiting are common side effects of all chemotherapy agents.
65. What is the normal aPTT range for patients on heparin therapy?
66. Which of the following is a common side effect of both opioids and sedatives?
67. Which medication class works by delaying carbohydrate absorption?
68. What is the recommended nursing action for a patient taking Azathioprine?
69. Which of the following is NOT a typical side effect of anticoagulant therapy?
70. What is the priority nursing action for a patient with a respiratory rate of 8 after opioid administration?
71. What is the effect of Metformin on the liver?
72. Which of the following indicates a patient may be experiencing Cisplatin-related toxicity?
73. When administering enoxaparin, which nursing action is essential?
74. What is a potential side effect when a patient is administered a high-alert sedative?
75. Which medication should be administered with food to prevent hypoglycemia?
76. Which of the following is an adverse effect of Paclitaxel?
77. Which statement accurately compares heparin and warfarin?
78. Which of the following symptoms is NOT typically associated with opioid withdrawal?
79. Which of the following statements about GLP-1 receptor agonists is NOT true?
80. Which of the following agents is NOT considered an immunosuppressant?
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