Which statement is true regarding a transient ischemic attack (TI
This is potentially a warning sign of a hemorrhagic stroke.
This is potentially a warning sign of an ischemic stroke.
Neurological deficits last for 72 hours or less.
The client will have a small area of brain infarction.
The Correct Answer is B
Choice A reason:
A transient ischemic attack (TIA) is more commonly a warning sign of an ischemic stroke, not a hemorrhagic stroke. TIAs are caused by temporary blockages that do not result in permanent damage, unlike hemorrhagic strokes that involve bleeding in the brain.
Choice B reason:
A TIA is indeed a warning sign of a potential ischemic stroke. It is caused by a temporary disruption of blood flow to the brain and can serve as an early indicator of a future ischemic stroke if risk factors are not managed.
Choice C reason:
While the symptoms of a TIA can resolve within 24 hours, stating that neurological deficits last for 72 hours or less is inaccurate. The defining feature of a TIA is that symptoms resolve within a short period, typically within a few minutes to hours, but not extending up to 72 hours.
Choice D reason:
A TIA does not cause a small area of brain infarction. By definition, a TIA results in no permanent brain damage or infarction, which distinguishes it from a stroke where an infarction does occur.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
Diazepam (Valium) is a benzodiazepine used as a first-line treatment for status epilepticus. It is effective in quickly stopping ongoing seizures by enhancing the effect of the neurotransmitter gamma-aminobutyric acid (GABA), which has an inhibitory effect on the nervous system.
Choice B reason:
Ethosuximide (Zarontin) is primarily used to treat absence seizures and is not effective for status epilepticus. It does not act rapidly enough to manage the acute and prolonged seizures seen in status epilepticus.
Choice C reason:
Benztropine (Cogentin) is an anticholinergic medication used to treat Parkinson's disease and medication-induced movement disorders. It is not indicated for managing seizures or status epilepticus.
Choice D reason:
Levodopa (Sinemet) is used to treat Parkinson's disease by increasing dopamine levels in the brain. It has no role in managing seizures and is not appropriate for the treatment of status epilepticus.
Correct Answer is ["C","D"]
Explanation
Choice A reason: High calcium intake is not a recognized risk factor for deep-vein thrombosis (DVT). DVT is primarily influenced by factors such as blood flow, vessel health, and coagulation tendencies, rather than dietary calcium levels.
Choice B reason: Hypertension can contribute to cardiovascular issues, but it is not directly linked to an increased risk of DVT. Other factors, such as immobility and hypercoagulability, are more significant in the development of DVT.
Choice C reason: This is the correct answer. Immobility is a well-known risk factor for DVT. Prolonged periods of inactivity, such as bed rest or long flights, can lead to blood pooling in the veins of the lower extremities, increasing the risk of clot formation.
Choice D reason: This is the correct answer. Oral contraceptive use is associated with an increased risk of DVT due to the hormones that can affect blood clotting mechanisms. Women using these contraceptives should be aware of the increased risk and take preventive measures.
Choice E reason: A BMI of 20 is considered to be within the normal weight range and is not a risk factor for DVT. Obesity, indicated by a higher BMI, is a recognized risk factor due to increased venous pressure and reduced mobility.
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