National Registry of Certified Medical Examiners (NRCME) DOT Practice Exam

What is a common symptom of Transient Ischemic Attacks (TIAs)?

1. Sudden loss of vision

2. Confusion

3. Sciatica

4. Sudden temporary numbness or weakness

The correct answer is: Sciatica

The question revolves around identifying a common symptom of Transient Ischemic Attacks (TIAs). TIAs are often referred to as "mini-strokes" and are characterized by similar types of symptoms, albeit temporary. The most commonly recognized symptoms include sudden numbness or weakness, which typically occurs on one side of the body. This symptom can manifest in various forms, such as a weakened arm or leg, and may accompany other signs like difficulty in speaking or understanding speech. TIAs result from a temporary interruption of blood flow to the brain, leading to these sudden neurological deficits. Options like sudden loss of vision or confusion can also occur during a TIA, making them relevant. However, the distinctively sudden and transient nature of numbness or weakness is a hallmark symptom directly associated with TIAs. Sciatica, on the other hand, pertains to a specific type of pain affecting the leg due to irritation of the sciatic nerve, which is not relevant to TIAs at all. Understanding these symptoms is crucial for timely diagnosis and intervention, as TIAs can indicate an increased risk for a full stroke in the future.