Neuropathy is nerve degeneration that results in delayed nerve conduction and impaired sensory function due to:
Thickening, sclerosis, obstruction, and ischemia of the vessels that supply nerve fibers.
Hyperglycemia
Thickening of blood.
Hypoglycemia
The Correct Answer is A
Choice A reason: Neuropathy, particularly diabetic neuropathy, is often caused by the thickening, sclerosis (hardening), obstruction, and ischemia (reduced blood flow) of the small blood vessels that supply the nerves (vasa nervorum). This can lead to nerve degeneration, delayed nerve conduction, and impaired sensory function. Over time, high blood glucose levels can damage these small blood vessels, leading to neuropathy.
Choice B reason: While hyperglycemia (high blood glucose levels) is a major factor in the development of diabetic neuropathy, it is the resulting damage to the blood vessels supplying the nerves that directly causes the nerve degeneration and delayed conduction.
Choice C reason: Thickening of blood is not a direct cause of neuropathy. Neuropathy is more directly related to the damage and obstruction of the small blood vessels that supply the nerves.
Choice D reason: Hypoglycemia (low blood glucose levels) does not cause neuropathy. In fact, the acute effects of hypoglycemia are typically neurological symptoms such as confusion, seizures, and loss of consciousness. Chronic nerve damage, as seen in neuropathy, is usually due to prolonged hyperglycemia and its effects on blood vessels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Micturition, or urination, is stimulated by the filling of the bladder. As the bladder fills with urine, stretch receptors in the bladder wall are activated. These receptors send signals to the brain, which then triggers the urge to urinate. When the bladder is full enough, the brain sends signals to the muscles of the bladder to contract and to the urethral sphincter to relax, allowing urine to be expelled from the body.
Choice B reason: Segmental movement refers to the rhythmic contractions and relaxations of segments of the intestine that help in the movement of contents along the gastrointestinal tract. It is not related to the process of micturition.
Choice C reason: Rectal filling is associated with the defecation reflex, not micturition. When the rectum fills with feces, stretch receptors in the rectal walls are activated, leading to the urge to defecate. This process is separate from the mechanisms involved in urination.
Choice D reason: Mass movements are large, strong contractions of the colon that move fecal matter toward the rectum, facilitating defecation. They are not involved in the process of micturition.
Correct Answer is C
Explanation
Choice A reason: Cirrhosis is a condition that affects the liver, not the kidneys. It is not related to nephropathy, which is kidney disease.
Choice B reason: Cardiac disease, while a common complication of diabetes, is not directly caused by nephropathy. Nephropathy primarily affects the kidneys and can lead to kidney failure, but it is not the leading cause of cardiac disease.
Choice C reason: Nephropathy in individuals with diabetes can lead to end-stage kidney disease (ESRD), also known as end-stage renal disease. This is a serious condition where the kidneys are no longer able to function adequately to maintain life, often requiring dialysis or a kidney transplant.
Choice D reason: Pulmonary disease affects the lungs and is not directly related to nephropathy. While diabetes can have complications that affect the lungs, nephropathy specifically targets the kidneys.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.