Which popular herb is used for its possible benefit on the immune system?
Black cohosh
Gingko
Kava kava
Echinacea
The Correct Answer is D
A. Black Cohosh: This herb is more commonly used for menopausal symptoms and not typically associated with immune system benefits.
B. Gingko: Gingko is primarily studied for its potential benefits on memory and cognitive function, not necessarily the immune system.
C. Kava Kava: Kava kava is known for its calming effects and used for anxiety relief, not immune system support.
D. Echinacea: This herb has been widely studied and used for centuries for its potential immune-boosting properties. While research results are somewhat mixed, it's one of the most popular herbs associated with immune support.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Platelets 74,000/mm: A platelet count of 74,000/mm³ is significantly lower than the normal range (typically 150,000 to 450,000/mm³). This could indicate heparin-induced thrombocytopenia (HIT), a serious adverse effect of heparin therapy where the immune system forms antibodies against heparin bound to platelet factor 4, leading to a decrease in platelets and increased risk of thrombosis. This is a critical finding and should be reported immediately to the provider for further evaluation and potential adjustment of the treatment plan.
B. White blood cell count 8,000/mm³: This is within the normal range (typically 4,000 to 11,000/mm³) and does not indicate an immediate problem related to heparin therapy or pulmonary embolism management.
C. Partial thromboplastin time (PTT) 55 seconds: While slightly elevated, this PTT is within the therapeutic range for a patient receiving IV heparin (typically 1.5 to 2.5 times the normal control value, or about 45 to 70 seconds). This indicates that the heparin is having the desired anticoagulant effect.
D. Hematocrit 45%: This is within the normal range for adults (typically 38-50% for men and 35-45% for women) and does not indicate an immediate concern related to heparin therapy or pulmonary embolism.
Correct Answer is D
Explanation
A. Most CAM therapies are totally ineffective: Incorrect. Dismissing all CAM therapies as ineffective without considering individual cases could lead to overlooking potentially helpful treatments for patients.
B. Additional treatment may not be needed: Incorrect. Collecting information about CAM use allows healthcare providers to assess the overall treatment regimen comprehensively.
C. Patients must be warned that most CAM therapies are dangerous: Incorrect. While some CAM therapies may carry risks, it's not accurate to generalize that most CAM therapies are dangerous.
D. CAM therapies could interact with prescription and OTC medications: Correct. Understanding potential interactions between CAM therapies and conventional medications is essential for patient safety and optimal treatment outcomes.
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