Nurseslabs For All Your Nursing Needs

This is a preboard examination which can help you sharpen your nursing knowledge for the coming board examinations. This is a 100-item examination about Medical-Surgical Nursing. This examination is good for 2 hours, that’s 1 minute and 20 seconds per question. Situational questions are also included.

Simulated board examination questions with this 100-item examination about the concepts of Community Health Nursing and Maternal & Child Health Nursing. This examination is for 2 hours, that's 1 minute and 20 seconds per question. Situations are also included in this exam, learn how to answer them correctly and how to connect your answers to the given situation.

Simulated board examination questions with this 100-item examination about the concepts of Medical-Surgical Nursing. This examination is for 2 hours, that's 1 minute and 20 seconds per question. Situations are also included in this exam, learn how to answer them correctly and how to connect your answers to the given situation.

Warfarin inhibits synthesis of vit K-dependent coagulation factors VII, IX, X and II and anticoagulant protein C and its cofactor protein S. No effects on established thrombus but further extension of the clot can be prevented. Secondary embolic phenomena are avoided.

Morphine controls severe pain; also used as an adjunct to anesthesia.

Heparin increases the inhibitory action of antithrombin III (AT III) on clotting factors XIIa, XIa, IXa, Xa and thrombin. This inhibits the conversion of prothrombin to thrombin and fibrinogen to fibrin. It also inhibits platelet function. It may reduce the activity of ATIII at very high doses.

Exact mechanisms of action not understood; acts mainly at the limbic system and reticular formation; may act in spinal cord and at supraspinal sites to produce skeletal muscle relaxation; potentiates the effects of GABA, an inhibitory neurotransmitter; anxiolytic effects occur at doses well below those necessary to cause sedation, ataxia; has little effect on cortical function.