A nurse is providing care for a patient in the emergency department who has been preliminarily diagnosed with a transient ischemic attack (TIA). Which diagnostic test should the nurse expect the healthcare provider to order?

Computerized Tomography Angiography (CTA)

Transesophageal Echocardiogram (TEE)

Complete Blood Count (CBC)

Prothrombin Time (PT) .

Answer and Explanation

The Correct Answer is A

Choice A rationale
A Computerized Tomography Angiography (CTA) scan is often used to diagnose a Transient Ischemic Attack (TIA). This imaging test can provide detailed images of blood vessels in the brain and neck, allowing healthcare providers to identify blockages or other abnormalities that could have caused the TIA12.
Choice B rationale
A Transesophageal Echocardiogram (TEE) is a type of echocardiogram that uses a probe passed down the esophagus to obtain detailed images of the heart. While it can be useful in diagnosing certain heart conditions, it is not typically the first-line diagnostic test for a TIA12.
Choice C rationale
A Complete Blood Count (CBC) is a blood test that measures different components of the blood, including red and white blood cells and platelets. While it can provide useful information about a person’s overall health, it is not typically used to diagnose a TIA12.
Choice D rationale
Prothrombin Time (PT) is a blood test that measures how long it takes for your blood to clot. While it can provide information about clotting disorders, it is not typically used to diagnose a

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Correct Answer is A

Explanation

Choice A rationale
Cushing’s Triad, which includes bradycardia (low heart rate), irregular respiration, and widened pulse pressure, is a nervous system response that could prevent brainstem ischemia. Brainstem ischemia is a condition where there is insufficient blood flow to the brainstem, which can lead to cell death.
Choice B rationale

While tachycardia (high heart rate) is a serious condition, it is not typically prevented by Cushing’s Triad.
Choice C rationale
Agonal breathing, which is characterized by gasping, labored breathing, particularly when lying flat, is not typically prevented by Cushing’s Triad.
Choice D rationale
Chest pain is not typically prevented by Cushing’s Triad. Cushing’s Triad is a response to increased intracranial pressure, not a cardiac condition.

A. Serotonin B. GABA C. Acetylcholine D. Dopamine E. Dopamine

Correct Answer is B

Explanation

Choice A rationale
Serotonin is indeed an inhibitory neurotransmitter. It helps regulate mood, appetite, and sleep among other things. However, its role in the nervous system is complex and it can also have excitatory effects depending on the specific receptors and neural pathways involved.
Choice B rationale
Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain. It works by decreasing neuronal excitability, which helps to regulate muscle tone, among other functions.
Choice C rationale
Acetylcholine is primarily an excitatory neurotransmitter, although it can have inhibitory effects in certain parts of the nervous system. It plays a key role in muscle activation, learning, and memory.
Choice D rationale
Dopamine can act as both an inhibitory and an excitatory neurotransmitter, depending on the type of receptor it binds to and the specific neural pathway involved. It plays key roles in reward, motivation, and motor control.

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A nurse is providing care for a patient in the emergency department who has been preliminarily diagnosed with a transient ischemic attack (TIA). Which diagnostic test should the nurse expect the healthcare provider to order?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is gathering neurological data on a patient with a neurological injury and observes signs indicative of Cushing’s Triad. The nurse understands that Cushing’s Triad is a nervous system response that could prevent which of the following conditions?

Correct Answer is A

Explanation

A nurse is teaching a client about the nervous system. Which of the following neurotransmitters should the nurse include in the teaching as having an inhibitory action?

Correct Answer is B

Explanation

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