SQ or method used for heparin injection is:
Intravenous (IV)
Inhalation
Intramuscular (IM)
Subcutaneous
The Correct Answer is D
A. Intravenous (IV): Heparin can be administered intravenously in certain situations, such as continuous infusion for anticoagulation in critical care. However, routine prophylactic or low-dose heparin injections are not given IV in the subcutaneous form.
B. Inhalation: Heparin is not administered via inhalation for standard anticoagulation therapy. This route is not used for systemic anticoagulation.
C. Intramuscular (IM): IM injections of heparin are avoided due to the risk of hematoma and bleeding at the injection site. Muscle tissue is more prone to bleeding complications with anticoagulants.
D. Subcutaneous: The recommended route for routine heparin injections, including prophylaxis for venous thromboembolism, is subcutaneous. SQ administration provides slower absorption and minimizes the risk of systemic bleeding compared with IM injections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Amoxicillin: Antibiotics like amoxicillin are intended for systemic infection treatment and require scheduled or timed dosing based on pharmacokinetics. They are not appropriate for PCA, which is designed for patient-controlled analgesia, because patient self-administration could lead to underdosing or toxicity.
B. Morphine: Morphine is a potent opioid analgesic commonly administered via PCA to allow the patient to control pain relief within safe dosing limits. PCA improves pain management and patient satisfaction while minimizing delays in analgesic administration.
C. Hydromorphone: Hydromorphone is an opioid used for moderate to severe pain and is suitable for PCA delivery. The PCA device allows titration of analgesia while preventing overdose through programmed lockout intervals.
D. Fentanyl: Fentanyl, a highly potent opioid, can be safely administered via PCA for acute or postoperative pain. PCA delivery allows precise control over dosing and rapid onset of analgesia while reducing the need for frequent nurse-administered injections.
Correct Answer is D
Explanation
A. Anti-diarrheal: Magnesium sulfate is not used to reduce diarrhea; some magnesium salts may actually have a laxative effect. Anti-diarrheal agents act by slowing intestinal motility or absorbing fluid, which is unrelated to magnesium sulfate’s mechanism.
B. Antihistamine: Antihistamines block histamine receptors to reduce allergy symptoms, nausea, or gastric acid secretion. Magnesium sulfate does not interact with histamine pathways and does not treat allergic reactions.
C. Opioid: Opioids act on central nervous system receptors to relieve pain. Magnesium sulfate does not have analgesic or narcotic properties. Its pharmacologic action is unrelated to opioid receptor activity.
D. Electrolyte: Magnesium sulfate provides magnesium ions, an essential electrolyte involved in neuromuscular function, cardiac conduction, and enzymatic reactions. It is used to correct magnesium deficiency, prevent seizures in preeclampsia, and manage certain arrhythmias.
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