A client with an acute stroke must receive Alteplase 0.9 mg/kg. The client weighs 220 pounds. How should the client receive? (Round to the nearest whole number, do not use trailing zeros)
The Correct Answer is ["90"]
Given:
Ordered dose of Alteplase: 0.9 mg/kg
Client weight: 220 pounds
Step 1: Convert the client's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Client weight in kg = 220 lbs x 0.453592 kg/lb = 99.76824 kg
Step 2: Calculate the total dose of Alteplase:
Total dose (mg) = Ordered dose (mg/kg) xClient weight (kg)
Total dose (mg) = 0.9 mg/kg x 99.76824 kg
Total dose (mg) = 89.801416 mg
Step 3: Round to the nearest whole number:
Total dose (mg) ≈ 90 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Respiratory compromise
A spinal cord injury (SCI) at the level of C-3 (cervical spine) results in the loss of function of the diaphragm, which is innervated by the phrenic nerve originating from C-3 to C-5. As a result, the patient is at high risk for respiratory compromise and may require mechanical ventilation. Respiratory failure is a leading cause of death and complications in individuals with high cervical spinal cord injuries, particularly when the injury is at or above C-4.
B) Hypertension
Although spinal cord injuries can cause autonomic dysreflexia (a condition where the body’s autonomic nervous system overreacts to stimuli, leading to dangerously high blood pressure), this condition is more common in individuals with injuries above T6. At C-3, respiratory issues are the primary concern, and hypertension is not the leading cause of complications.
C) Septic shock
Septic shock can occur after any significant injury, especially if the individual develops infections (e.g., from urinary retention, pressure ulcers, or pneumonia). However, septic shock is not the main cause of complications or death related to a C-3 spinal cord injury.
D) Bradycardia
Bradycardia (a slow heart rate) can indeed be a concern in patients with SCI, especially those with injuries at or above the T1 level. However, at the level of C-3, the main cause of complications is respiratory failure, not bradycardia. While bradycardia can occur due to disruption of sympathetic nervous system control, respiratory compromise is the most critical immediate concern.
Correct Answer is B
Explanation
A) Fever and cardiac dysrhythmias:
Fever and cardiac dysrhythmias are not the hallmark signs of an intracerebral hemorrhage (ICH) following thrombolytic therapy. While fever can occur in the aftermath of a stroke, it is more commonly linked to infection or other complications. Cardiac dysrhythmias can occur in stroke patients due to autonomic dysfunction or other underlying conditions but are not specific to a hemorrhagic complication.
B) Decline in neurological status and elevated blood pressure:
A decline in neurological status (e.g., deterioration of consciousness, confusion, or focal deficits) and elevated blood pressure are classic signs of an intracerebral hemorrhage (ICH) following thrombolytic therapy, especially when tissue plasminogen activator (tPA) is administered. tPA works by dissolving blood clots but increases the risk of bleeding. An ICH could present with sudden worsening neurological symptoms, such as decreased level of consciousness, weakness, or sensory loss, and elevated blood pressure is a compensatory response to the hemorrhage.
C) Abdominal distention and anorexia:
Abdominal distention and anorexia are not typical indicators of an intracerebral hemorrhage following tPA therapy. These symptoms may indicate other issues, such as gastrointestinal problems or metabolic imbalances, but they are not directly related to hemorrhagic complications following thrombolytic therapy for stroke.
D) Positive Coombs test and low urine output:
A positive Coombs test indicates the presence of antibodies against red blood cells, which may suggest hemolytic anemia or an autoimmune process. Low urine output can result from a variety of conditions, including kidney dysfunction, dehydration, or shock, but these are not specific indicators of an intracerebral hemorrhage following tPA.
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