A patient is experiencing status epileptics. The nurse anticipates immediate administration of which drug?
Diazepam
Phenobarbital
Valproic acid
Phenytoin
The Correct Answer is A
A) Diazepam
Diazepam (a benzodiazepine) is the first-line treatment for status epilepticus, especially in emergency situations. It works by quickly calming overactive electrical activity in the brain and can be administered intravenously for rapid effect. Diazepam is commonly given as an initial treatment due to its fast onset of action in stopping seizures.
B) Phenobarbital
Phenobarbital is an anticonvulsant that can also be used for seizures, but it is typically used in cases where seizures persist after initial treatment, or as a long-term maintenance therapy. It is not the first-line drug for status epilepticus and is typically administered after other options like diazepam have been tried.
C) Valproic acid
Valproic acid is an anticonvulsant used for chronic seizure management (like for generalized seizures and some focal seizures), but it is not typically used as the immediate treatment in status epilepticus. It may be used in the long-term management or when other drugs fail, but diazepam or lorazepam are preferred for immediate control of seizures.
D) Phenytoin
Phenytoin is another commonly used anticonvulsant, but it has a slower onset of action compared to benzodiazepines like diazepam. While phenytoin is often used for long-term seizure prevention, it is not the most immediate choice in an emergency setting. After initial seizure control with a benzodiazepine, phenytoin may be given for continued seizure prevention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","E"]
Explanation
A) Gastric emptying time:
Gastric emptying time plays a significant role in drug absorption. The faster the stomach empties its contents into the small intestine, the quicker the drug can be absorbed. If gastric emptying is delayed, such as with certain diseases, medications, or conditions (like gastroparesis), drug absorption may be slowed. Conversely, rapid gastric emptying can lead to quicker absorption, potentially reducing the time the drug has to exert its effects.
B) Capillary walls with large spaces between cells:
Capillary permeability influences how easily a drug can pass from the bloodstream into tissues. If the capillary walls have large gaps, such as in certain areas of the body (e.g., in the liver or spleen), drugs can more easily move across the capillary membrane and be absorbed into the system.
C) Stability and solubility of the medication:
For a drug to be absorbed effectively, it must be stable in the body and soluble in bodily fluids. Drugs that are poorly soluble or unstable in the stomach may not be absorbed efficiently. For instance, medications that are lipophilic (fat-soluble) may require a carrier or special formulation (e.g., emulsions or nanoparticles) to aid in absorption, whereas hydrophilic drugs may face challenges crossing cell membranes without assistance.
D) Inspiratory effort:
Inspiratory effort does not directly affect the absorption of drugs. Inspiratory effort refers to the act of inhaling, which is more relevant to drugs administered via inhalation (e.g., inhalers or nebulizers). It affects how well the drug is delivered to the lungs but does not influence absorption in the gastrointestinal tract or other routes of administration.
E) Presence of food in the stomach or intestines:
Food in the stomach or intestines can either speed up or slow down drug absorption. Some drugs are absorbed better on an empty stomach because food can slow gastric emptying and alter the drug's solubility. On the other hand, certain medications (e.g., fat-soluble drugs) may require food for optimal absorption.
Correct Answer is C
Explanation
Convert ounces to milliliters (1 oz = 29.5735 mL):
8 oz coffee: 8 × 29.5735 = 236.588 mL
3 oz juice: 3 × 29.5735 = 88.7205 mL
12 oz soda: 12 × 29.5735 = 354.882 mL
Calculate the water intake from the water pitcher:
Total water intake: 800 mL (initial) - 200 mL (remaining) = 600 mL
Calculate the IV fluid intake:
IV fluids at 40 mL/hr for 8 hours: 40 × 8 = 320 mL
Add all the fluid amounts:
Totalfluidintake=236.588mL+88.7205mL+354.882mL+600mL+320mL=1600.1905mL
Rounding to the nearest whole number: 1600 mL.
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