The parents of a pediatric client describe occasional episodes where the client seems to experience a temporary loss of awareness and a blank stare. The nurse suspects which of the following disorders?

Focal awareness seizure

Absence seizure

Transient ischemic attack (TIA)

Tonic clonic seizure

Answer and Explanation

The Correct Answer is B

A. Focal awareness seizure:
Focal awareness seizures (formerly known as simple partial seizures) involve abnormal electrical activity in a specific area of the brain. These seizures typically cause motor symptoms (such as jerking or twitching in one part of the body) or sensory disturbances (like tingling or visual changes), but the person remains fully aware during the episode. The client’s presentation of a temporary loss of awareness and blank stare is more consistent with an absence seizure than a focal awareness seizure, as focal seizures do not cause a loss of consciousness.

B. Absence seizure:
Absence seizures are a type of generalized seizure often seen in children. These seizures are characterized by a sudden, brief loss of awareness, typically lasting only a few seconds. During the episode, the child may exhibit a blank stare and seem unresponsive, often without any noticeable physical movements. These seizures are often mistaken for daydreaming or inattention, but they can be diagnosed with an EEG (electroencephalogram) showing characteristic patterns. This description matches the parents’ observations of occasional episodes of loss of awareness and a blank stare.

C. Transient ischemic attack (TIA):
A TIA, also known as a mini-stroke, involves temporary neurological symptoms due to a brief disruption in blood flow to the brain. However, TIAs usually last longer than the brief episodes of loss of awareness described in this case, and they are more likely to cause focal neurological not just a transient loss of awareness. Additionally, TIAs are much less common in children and are usually associated with other risk factors like cardiovascular disease or clotting disorders.

D. Tonic clonic seizure:
Tonic-clonic seizures (formerly known as grand mal seizures) involve generalized shaking or convulsions, loss of consciousness, and can last from 1 to 3 minutes. These seizures are usually much more dramatic and prolonged compared to the brief, absence-like episodes described here. While they do involve a loss of awareness, the physical manifestations (muscle stiffening and jerking) and duration are distinctively different from the blank stare and brief loss of awareness typical of an absence seizure.

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Correct Answer is B

Explanation

A. Cardiac dysrhythmias:
While cardiac dysrhythmias can occur after a stroke, especially in the acute phase due to changes in autonomic regulation and increased sympathetic tone, they are not a direct compensatory response to increase cerebral blood flow. Dysrhythmias, such as atrial fibrillation, can occur as a result of stroke but are not a physiological response to attempts by the body to increase cerebral perfusion.

B. Hypertension:
Hypertension is a common cardiovascular response in the acute phase of a stroke. The body increases blood pressure to enhance cerebral perfusion and ensure that oxygen and nutrients are delivered to the brain, especially if there is impaired blood flow due to a clot or hemorrhage. This compensatory mechanism helps maintain adequate cerebral blood flow to areas at risk of ischemia. Therefore, hypertension is the most likely cardiovascular sign that the nurse would observe in response to a stroke, and it is a key sign that needs to be closely monitored and managed.

C. 53 and 54 heart sounds:
The presence of 53 and 54 heart sounds, also known as extra heart sounds, such as S3 and S4, may indicate heart failure, volume overload, or diastolic dysfunction. While these sounds can be associated with certain cardiovascular conditions, they are not a typical sign observed in the acute phase of a stroke as the body attempts to increase cerebral blood flow. These heart sounds are more related to heart conditions rather than stroke-induced changes in cerebral perfusion.

D. Fluid overload:
Fluid overload, although a potential complication in stroke patients (especially if they are given excessive IV fluids or have renal issues), is not a primary compensatory mechanism for increasing cerebral blood flow. Fluid overload could exacerbate other conditions, like increased intracranial pressure or pulmonary edema, but it does not directly serve the purpose of improving cerebral perfusion during a stroke. Hypertension, on the other hand, is a direct response to try to maintain cerebral blood flow.

A. Administer IV hydralazine and monitor blood pressure B. Administer oxygen at 10 liters/minute by non rebreather mask C. Administer acetaminophen 650 mg PO re-check temperature D. Infuse 0.9% sodium chioride at 120 mL/hour

Correct Answer is A

Explanation

A) "Administer IV hydralazine and monitor blood pressure":
. The patient's elevated blood pressure (172/92 mmHg), along with headaches and blurred vision, could indicate a hypertensive emergency, a serious condition where extremely high blood pressure can cause acute organ damage. Hydralazine is a common intravenous antihypertensive medication used to lower blood pressure quickly in these situations. The nurse should administer hydralazine as prescribed and closely monitor the blood pressure to prevent complications like stroke, heart failure, or kidney damage. Blood pressure management is the priority, as the patient's symptoms are likely related to the elevated BP.

B) "Administer oxygen at 10 liters/minute by non-rebreather mask":
. While oxygen therapy may be appropriate for patients with respiratory distress or hypoxia, the patient's SpO2 is 97% on room air, indicating that there is no immediate oxygenation issue. Administering oxygen unnecessarily could lead to oxygen toxicity, and it is not the priority in this case. The patient's main concern is their elevated blood pressure, which requires urgent management.

C) "Administer acetaminophen 650 mg PO re-check temperature":
. While headaches are one of the patient's complaints, there is no indication of fever (the temperature is 98.6°F). Administering acetaminophen would be appropriate for pain relief, but it is not the priority in this case. The elevated blood pressure and potential hypertensive emergency are the primary issues that need to be addressed first.

D) "Infuse 0.9% sodium chloride at 120 mL/hour":
. Normal saline (0.9% sodium chloride) is typically used for hydration, but there is no indication that the patient is dehydrated or that intravenous fluids are the priority. In cases of hypertensive emergency, the goal is to lower blood pressure using antihypertensive medications, not to infuse fluids. Fluid administration could potentially worsen the situation if the elevated blood pressure is not addressed first.

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The parents of a pediatric client describe occasional episodes where the client seems to experience a temporary loss of awareness and a blank stare. The nurse suspects which of the following disorders?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

During the acute phase of a stroke, the nurse assesses the patient's vital signs and neurologic status at least every cardiovascular sign that the nurse would see as the body attempts to increase cerebral blood flow?

Correct Answer is B

Explanation

Correct Answer is A

Explanation

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