A patient presents with peripheral neuropathy affecting their lower extremities. Which system is primarily involved?
Autonomic nervous system
Enteric nervous system
Central nervous system
Peripheral nervous system
The Correct Answer is D
A. Autonomic nervous system: Controls involuntary functions such as heart rate, digestion, and temperature regulation. While autonomic neuropathy exists, peripheral neuropathy of extremities is not primarily autonomic.
B. Enteric nervous system: Controls GI tract functions. Not involved in neuropathy affecting limbs.
C. Central nervous system: Includes the brain and spinal cord. Peripheral neuropathy affects nerves outside the CNS.
D. Peripheral nervous system: Peripheral neuropathy is a disorder of the peripheral nerves that transmit sensory and motor signals to the limbs. Causes include diabetes, vitamin deficiencies, toxins, and trauma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. By regulating body temperature through sweat and blood flow:The skin (integument) plays a vital role in thermoregulation. When the body is hot, sweat glands release sweat (evaporative cooling) and blood vessels dilate (vasodilation) to release heat. When cold, vessels constrict (vasoconstriction) to retain heat.
B. By producing digestive enzymes:The production of digestive enzymes is the function of the digestive system organs, such as the stomach and pancreas.
C. By storing nutrients and minerals:While the skin synthesizes Vitamin D, the primary storage sites for nutrients and minerals are the liver (vitamins/glycogen) and bones (calcium/phosphorus).
D. By filtering blood to remove waste products:Filtration of blood to remove metabolic waste is the primary function of the urinary system (kidneys).
Correct Answer is D
Explanation
A. Absorbing nutrients:Absorption is the primary function of the small intestine (specifically the jejunum and ileum), where nutrients pass through the villi into the bloodstream.
B. Storing glycogen:Glycogen storage primarily occurs in the liver and skeletal muscles. While the pancreas produces the hormones (insulin/glucagon) that tell these organs to store or release glycogen, the pancreas does not store it itself.
C. Producing bile:Bile production is the specific function of the liver. The gallbladder stores it, and the pancreas has nothing to do with bile production.
D. Secreting digestive enzymes:The pancreas has a crucial exocrine function where it produces "pancreatic juice." This cocktail contains powerful enzymes-amylase (for carbs), lipase (for fats), and proteases (for proteins)-which are released into the small intestine to break down food.
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