What is the acronym for a temporary impairment of cerebral circulation that causes symptoms lasting minutes to hours but results in no permanent neurological changes?
TIA
CVA
TPN
MI
The Correct Answer is A
A. TIA stands for Transient Ischemic Attack, which is a temporary disruption of blood flow to the brain. Symptoms typically last for minutes to hours and resolve within 24 hours without causing permanent neurological damage.
B. CVA stands for Cerebrovascular Accident, which refers to a stroke. A CVA causes permanent neurological damage due to a lack of blood flow to the brain.
C. TPN stands for Total Parenteral Nutrition, which is a method of delivering nutrition intravenously to patients who cannot eat or absorb food normally. It is unrelated to cerebral circulation.
D. MI stands for Myocardial Infarction, which is a heart attack. It involves damage to the heart muscle due to a lack of blood flow but does not refer to cerebral circulation.
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Related Questions
Correct Answer is A
Explanation
A. TIA stands for Transient Ischemic Attack, which is a temporary disruption of blood flow to the brain. Symptoms typically last for minutes to hours and resolve within 24 hours without causing permanent neurological damage.
B. CVA stands for Cerebrovascular Accident, which refers to a stroke. A CVA causes permanent neurological damage due to a lack of blood flow to the brain.
C. TPN stands for Total Parenteral Nutrition, which is a method of delivering nutrition intravenously to patients who cannot eat or absorb food normally. It is unrelated to cerebral circulation.
D. MI stands for Myocardial Infarction, which is a heart attack. It involves damage to the heart muscle due to a lack of blood flow but does not refer to cerebral circulation.
Correct Answer is B
Explanation
A. Unstable blood pressure can occur with damage to the hypothalamus or pituitary, but it is more commonly associated with other neurological conditions. While blood pressure may fluctuate, it is not the most direct result of pituitary or hypothalamic damage.
B. Diabetes insipidus is the correct answer. The pituitary gland secretes antidiuretic hormone (ADH), which helps regulate water balance. Damage to the pituitary or hypothalamus can lead to a deficiency of ADH, causing diabetes insipidus, which is characterized by excessive thirst and urination.
C. Diabetes mellitus is a condition related to insulin production and blood sugar regulation, typically caused by pancreatic issues, not damage to the pituitary or hypothalamus.
D. Altered respiratory rate can occur with brain injury, but it is more commonly associated with damage to the brainstem rather than the hypothalamus or pituitary.
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