A nurse is explaining myasthenia gravis to a family. Which of the following points would be included in the explanation? (Select All that Apply.)
Is it caused by demyelination of the nerve fibers.
Is it thought to be an autoimmune disease.
It is associated with destruction of acetylcholine receptor sites.
Once symptoms present, it has a 5-year survival rate.
It is a chronic and progressive muscular disease.
Is it best treated with antibiotics.
Correct Answer : B,C,E
A) Is it caused by demyelination of the nerve fibers:
Myasthenia gravis is not primarily caused by demyelination of nerve fibers. It is characterized by dysfunction at the neuromuscular junction, specifically involving the acetylcholine receptors.
B) Is it thought to be an autoimmune disease:
This is correct. Myasthenia gravis is considered an autoimmune disorder in which the body's immune system mistakenly targets and attacks its own tissues, particularly the acetylcholine receptors at the neuromuscular junction.
C) It is associated with destruction of acetylcholine receptor sites:
This is correct. In myasthenia gravis, there is a reduction in the number of functional acetylcholine receptors due to autoimmune-mediated destruction or blocking of these receptors.
D) Once symptoms present, it has a 5-year survival rate:
This statement is inaccurate. Myasthenia gravis is a chronic condition, but survival rates are not determined by the onset of symptoms. With appropriate treatment, many individuals with myasthenia gravis can manage their symptoms effectively and have a normal life expectancy.
E) It is a chronic and progressive muscular disease:
This is correct. Myasthenia gravis is a chronic neuromuscular disorder characterized by fluctuating muscle weakness and fatigue. While it is chronic, it is not necessarily progressive in all cases, as symptoms may stabilize or improve with treatment.
F) Is it best treated with antibiotics:
Antibiotics are not the primary treatment for myasthenia gravis. Treatment typically involves medications that enhance neuromuscular transmission, such as acetylcholinesterase inhibitors or immunosuppressive drugs, along with other supportive measures.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) "Take the medication with a full glass of water":
This is the correct answer. Docusate is a stool softener used to treat constipation by promoting the incorporation of water into the stool, making it softer and easier to pass. Taking docusate with a full glass of water helps facilitate its action by ensuring hydration and aiding in the softening of stool.
B) "Take this medication on an empty stomach":
Taking docusate on an empty stomach is not necessary. It can be taken with or without food. The primary consideration is to take it with an adequate amount of water to facilitate its stool-softening effect.
C) "Do not take this medication before bedtime":
There is no specific contraindication to taking docusate before bedtime. The timing of administration can vary based on individual preferences and bowel habits. Some individuals may prefer to take it before bedtime to promote a bowel movement in the morning, while others may take it at different times of the day.
D) "Expect abdominal pain with this medication":
Abdominal pain is an uncommon side effect of docusate. While it may occur in some individuals, it is not a common or expected reaction to the medication. Most people tolerate docusate well, but gastrointestinal side effects such as mild abdominal cramping, nausea, or diarrhea may occur in some cases.
Correct Answer is ["675"]
Explanation
1. Convert client weight from pounds to kilograms (kg):
We know 1 kg = 2.205 pounds.
Client weight (kg) = 198 lb / 2.205 lb/kg = 90 kg (round to nearest whole number for this calculation).
2. Calculate the total daily dosage:
Prescribed dosage per kg per day: 15 mg/kg/day
Client weight (kg): 90 kg (rounded value from step 1)
Total daily dosage (mg): Dosage (mg/kg/day) x Client weight (kg)
Total daily dosage (mg): 15 mg/kg/day x 90 kg = 1350 mg/day
3. Since the dosage is divided equally every 12 hours, calculate the amount per dose:
Frequency of administration: Every 12 hours
Total daily dosage (mg): 1350 mg/day
Dosage per dose (mg) = Total daily dosage (mg) / Frequency (doses/day)
Dosage per dose (mg) = 1350 mg/day / 2 doses/day
Dosage per dose (mg) = 675 mg/dose (round to nearest whole number as requested)
Therefore, the nurse should administer approximately 675 mg of vancomycin with each dose.
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