A nurse is caring for a client who is scheduled to receive heparin 3,800 units subcutaneously. Available is heparin 5,000 units/mL How many ml. should the nurse administer? (Round the answer to the nearest tenth.)
The Correct Answer is ["0.8"]
Desired dose = 3,800 units.
Available concentration = 5,000 units/mL.
- Calculate the volume to administer.
Volume (mL) = Desired dose (units) / Available concentration (units/mL)
= 3,800 units / 5,000 units/mL
= 0.76 mL.
- Round the answer to the nearest tenth.
= 0.8 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Progressive increase in platelet production: In DIC, platelet consumption exceeds production due to widespread clotting. As a result, platelet levels typically decrease rather than increase, making an increase in platelet production unlikely.
B. Increased calcium levels: In DIC, calcium levels often decrease rather than increase due to consumption in clotting processes. A decrease in calcium levels can contribute to further bleeding and complications, not an increase.
C. Immediate sodium and fluid retention: While DIC may lead to organ dysfunction and fluid imbalances, sodium and fluid retention are not characteristic findings. The primary issue is clotting and bleeding rather than fluid retention.
D. Excessive thrombosis and bleeding: DIC is characterized by both excessive clotting (thrombosis) and bleeding. The widespread clotting consumes clotting factors and platelets, leading to bleeding tendencies. This is the hallmark of DIC.
Correct Answer is B
Explanation
A. Sterile gauze bandages to the bleeding lacerations: While it is important to address bleeding, the priority in a trauma situation, especially after ejection from a vehicle, is to stabilize the spine and prevent potential cervical spine injury.
B. Cervical spine protective collar: Given the mechanism of injury (MOI) — being ejected from a vehicle — the risk of a cervical spine injury is high. A cervical spine protective collar is the priority to prevent potential spinal cord damage, as the neck may have been subjected to significant forces during the accident.
C. Pillow under the back of the knees to promote blood return to the heart: While positioning can help with comfort and blood circulation, the priority in this case is stabilizing the cervical spine to prevent further injury, not promoting blood return.
D. Inflatable air cast on the right arm: The open fracture of the right ulnar bone requires immobilization, but stabilizing the cervical spine takes precedence in a trauma situation. The arm injury will be addressed after the patient's spine is secured.
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