What is the primary advantage of using low molecular weight heparins (LMWHs) over heparin?

LMWHs produce a more stable effect on coagulation; thus, fewer lab tests are needed.

LMWHs may be given by the oral route

LMWHs have a short duration of action

LMWHs possess greater anticoagulant activity

Answer and Explanation

The Correct Answer is A

A. LMWHs produce a more stable effect on coagulation; thus, fewer lab tests are needed: Correct LMWHs have a more predictable anticoagulant response compared to unfractionated heparin, resulting in a more stable effect on coagulation. Because of their predictable response, routine monitoring of coagulation parameters, such as activated partial thromboplastin time (aPTT), is typically not required with LMWH therapy, unlike with unfractionated heparin.

B. LMWHs may be given by the oral route: Incorrect. LMWHs are administered by the subcutaneous route.

C. LMWHs have a short duration of action: Incorrect. LMWHs have a longer duration of action compared to unfractionated heparin.

D. LMWHs possess greater anticoagulant activity: incorrect. LMWHs generally have less potent anticoagulant activity compared to unfractionated heparin, but their more predictable response and longer half-life make them advantageous in many clinical scenario

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Correct Answer is D

Explanation

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.

A. Reduced cardiac output B. Abnormal coagulation C. Electrolyte imbalance D. Respiratory issues

Correct Answer is B

Explanation

A. Reduced cardiac output: While liver disease can affect circulation in later stages, abnormal coagulation is a more immediate concern.

B. Abnormal coagulation: The liver plays a vital role in producing proteins essential for blood clotting. Liver damage can impair this function, leading to increased bleeding risk.

C. Electrolyte imbalance: The liver plays a role in some aspects of electrolyte balance, but abnormal coagulation is a more specific and critical complication in early liver damage.

D. Respiratory issues: While liver disease can progress to respiratory complications in severe cases, abnormal coagulation is a more immediate threat.

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What is the primary advantage of using low molecular weight heparins (LMWHs) over heparin?

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Naxlex Comprehensive Predictor Exams

Which popular herb is used for its possible benefit on the immune system?

Correct Answer is D

Explanation

A nurse is reviewing the laboratory report of a client and realizes the liver function tests are elevated, indicating liver damage. The client should be monitored for which potential complication?

Correct Answer is B

Explanation

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