What are the two main purposes for diuretics?
The two main purposes for diuretics are to decrease fluid and decrease hypertension (lower blood pressure).
The two main purposes are to decrease fluid volume in thetissues and circulation, increasing blood pressure.
The two main purposes of diuretics are to increase fluid in the body and blood pressure.
The two main purposes of diuretics are to increase circulating fluid and lower blood pressure
The Correct Answer is A
A) The two main purposes for diuretics are to decrease fluid and decrease hypertension (lower blood pressure):
Diuretics primarily work by promoting the excretion of excess sodium and water from the body, which decreases fluid volume. This reduction in fluid volume helps to lower blood pressure, especially in conditions like hypertension and heart failure, where fluid buildup can exacerbate symptoms.
B) The two main purposes are to decrease fluid volume in the tissues and circulation, increasing blood pressure:
The primary purpose of diuretics is to decrease fluid volume, which helps lower blood pressure, not increase it. Diuretics are used to reduce the workload on the heart and the risk of complications like stroke and heart failure by lowering blood pressure and removing excess fluid from the body.
C) The two main purposes of diuretics are to increase fluid in the body and blood pressure:
Diuretics do not increase fluid in the body. In fact, they decrease fluid in the body to help reduce blood pressure. This option contradicts the fundamental mechanism of action of diuretics.
D) The two main purposes of diuretics are to increase circulating fluid and lower blood pressure:
Diuretics do not increase circulating fluid; they decrease it. By promoting the excretion of sodium and water, diuretics decrease the volume of circulating fluid, which is a key factor in lowering blood pressure.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) There is an increased risk of hyperthyroidism:
High levels of LDL cholesterol are not associated with hyperthyroidism. Hyperthyroidism is a condition related to an overactive thyroid gland, which affects metabolism and hormone levels but does not directly impact LDL cholesterol levels.
B) There is an increased risk of heart disease:
LDL cholesterol, often referred to as "bad cholesterol," contributes to the buildup of fatty plaques in the walls of arteries, a process known as atherosclerosis. This buildup can narrow and harden the arteries, leading to reduced blood flow and increasing the risk of heart disease, including conditions such as coronary artery disease, heart attack, and stroke. High LDL levels are considered one of the most significant modifiable risk factors for cardiovascular disease.
C) There is the possibility of digestive problems:
While very high cholesterol levels can sometimes contribute to the formation of gallstones, high LDL cholesterol levels are not directly linked to digestive problems. The primary concern with high LDL is its contribution to cardiovascular disease rather than digestive health.
D) There is an increased risk of rhabdomyolysis:
Rhabdomyolysis is a condition caused by the breakdown of muscle tissue, which can lead to the release of muscle proteins into the bloodstream. While certain medications used to lower cholesterol, such as statins, can cause muscle pain and, in rare cases, lead to rhabdomyolysis, high LDL itself is not a direct cause of rhabdomyolysis. The main health concern with high LDL is its contribution to heart disease.
Correct Answer is A
Explanation
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.
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