Alzheimer's disease (AD)
manifests as neurofibrillary tangles and amyloid plaques that cause a disruption of brain impulses.
is an inherited disorder that, most often, begins before the age of fifty
can be caused by increased cerebral levels of acetylcholine
causes unusual sensory sensations such as numbness and shooting pain (paresthesia)
The Correct Answer is A
A. Manifests as neurofibrillary tangles and amyloid plaques that cause a disruption of brain impulses: Alzheimer's disease is characterized by the accumulation of amyloid plaques and neurofibrillary tangles in the brain, leading to disrupted neural communication.
B. Is an inherited disorder that, most often, begins before the age of fifty: While there are inherited forms of Alzheimer's (early-onset), most cases are sporadic and occur after age 65.
C. Can be caused by increased cerebral levels of acetylcholine: Alzheimer's disease is associated with decreased levels of acetylcholine, not increased levels.
D. Causes unusual sensory sensations such as numbness and shooting pain (paresthesia): Paresthesia is not a typical symptom of Alzheimer's disease; it is more related to neurological or peripheral nerve disorders.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Esophageal varices: Coffee-ground emesis suggests upper gastrointestinal bleeding, which is often due to ruptured esophageal varices in patients with cirrhosis.
B. Colorectal cancer: This condition typically presents with lower gastrointestinal symptoms such as changes in bowel habits or blood in the stool, not coffee-ground emesis.
C. Inflammatory bowel disease: This condition can cause gastrointestinal bleeding but is more commonly associated with symptoms like diarrhea and abdominal pain rather than coffee-ground emesis.
D. Appendicitis: This condition typically presents with right lower quadrant pain, not upper GI bleeding.
Correct Answer is A
Explanation
A. Decrease osteoclastic activity: Osteoporosis treatments often focus on reducing osteoclastic activity, which is responsible for bone resorption, thereby helping to maintain or increase bone density.
B. Increase the kidneys' tubular secretion of calcium into the urine: This would decrease calcium levels in the body, which is not desired in osteoporosis treatment, as it would worsen bone density.
C. Increase resorption of calcium: Increasing bone resorption would exacerbate osteoporosis by weakening the bones further.
D. Suppress calcitonin: Calcitonin helps to inhibit bone resorption, so suppressing it would be counterproductive in treating osteoporosis.
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