A nurse is caring for a client who has a deep vein thrombosis and is prescribed heparin by continuous IV infusion at 1,200 units/hr. Available is heparin 25,000 units in 500 mL DSW. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest tenth/whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["24"]
To calculate the infusion rate, use the formula:
(rate in mL/hr) = (desired dose in units/hr) / (available dose in units/mL)
In this case, the desired dose is 1,200 units/hr and the available dose is 25,000 units / 500 mL = 50 units/mL. Therefore,
(rate in mL/hr) = (1,200 units/hr) / (50 units/mL) = 24 mL/hr
Round the answer to the nearest tenth/whole number and use a leading zero if it applies. Do not use a trailing zero because it could be misread as a decimal point. Therefore, the nurse should set the IV pump to deliver 24 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The nurse should identify that this client has multiple risk factors for cardiovascular disease, such as hypertension, obesity, and smoking. These factors can increase the risk of atherosclerosis, coronary artery disease, stroke, and peripheral vascular disease.
Depression is wrong because it is not directly related to the client's physical examination findings. Depression may have other risk factors, such as genetics, stress, trauma, or substance abuse.
Thyroid disease is wrong because it is not directly related to the client's physical examination findings. Thyroid disease may have other risk factors, such as autoimmune disorders, iodine deficiency, or radiation exposure.
Testicular cancer is wrong because it is not directly related to the client's physical examination findings. Testicular cancer may have other risk factors, such as cryptorchidism, family
Correct Answer is C
Explanation
- A hemorrhagic stroke is a type of stroke that occurs when a blood vessel in the brain ruptures and bleeds into the surrounding tissue. A common cause of hemorrhagic stroke is a cerebral aneurysm, which is a weak or bulging spot in an artery wall. When an aneurysm ruptures, it causes sudden and severe bleeding in the brain, which can damage brain cells and increase intracranial pressure. Symptoms of a hemorrhagic stroke include a sudden and severe headache, often described as "the worst headache of my life", followed by neurologic deficits, such as weakness, numbness, vision loss, speech problems, confusion, or loss of consciousness
- The other options are not correct because:
- History of neurologic deficits lasting less than 1 hr. This statement is incorrect because it describes a transient ischemic atack (TIA), which is a temporary interruption of blood flow to the brain that causes brief neurologic symptoms that resolve within 24 hours. A TIA is often a warning sign of an impending ischemic stroke, which is a type of stroke that occurs when a blood clot blocks an artery in the brain and reduces blood flow to the affected area.
- Maintains consciousness. This statement is incorrect because most clients with hemorrhagic stroke lose consciousness or have altered mental status due to the increased intracranial pressure and brain damage caused by the bleeding. The level of consciousness depends on the location and extent of the hemorrhage, but it usually deteriorates rapidly.
- Gradual onset of several hours. This statement is incorrect because hemorrhagic stroke usually has a sudden onset, unlike ischemic stroke, which may have a gradual onset over several hours or days. The onset of hemorrhagic stroke is often associated with physical exertion, emotional stress, or hypertension, which can increase the risk of aneurysm rupture.
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