When learning about the nervous system, students learn that which nervous system regulates the expenditure of energy?
Peripheral.
Parasympathetic.
Sympathetic.
Central.
The Correct Answer is C
Choice A rationale
The peripheral nervous system (PNS) consists of all the nerves outside the brain and spinal cord. It transmits signals to and from the central nervous system but does not specifically regulate energy expenditure.
Choice B rationale
The parasympathetic nervous system is part of the autonomic nervous system that promotes "rest and digest" functions, conserving energy by slowing the heart rate and increasing intestinal and gland activity.
Choice C rationale
The sympathetic nervous system is responsible for the "fight or flight" response, which prepares the body to expend energy rapidly in response to perceived threats. It increases heart rate, dilates airways, and mobilizes energy stores.
Choice D rationale
The central nervous system (CNS) consists of the brain and spinal cord. It is responsible for processing information and coordinating bodily functions but does not specifically regulate energy expenditure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
The Romberg test does not assess motor ability. Motor ability tests typically involve assessing muscle strength, coordination, and movement.
Choice B rationale
The Romberg test is used to assess balance. It evaluates the client's ability to maintain a steady position with eyes closed, indicating the integrity of the proprioceptive and vestibular systems.
Choice C rationale
The Romberg test does involve coordination, but its primary focus is on balance rather than coordination alone. Coordination tests usually involve tasks requiring fine motor control.
Choice D rationale
The Romberg test does not assess muscle strength. Muscle strength tests involve evaluating the force generated by muscles during contraction.
Correct Answer is D
Explanation
Choice A rationale
Onychocryptosis, also known as an ingrown toenail, is a condition where the edge of the toenail grows into the surrounding skin. This can cause pain, swelling, and sometimes infection. It is not related to a dermatophyte infection, which is a fungal infection affecting the toenail.
Choice B rationale
Pediculosis refers to an infestation of lice, which are small parasitic insects that feed on human blood. It typically affects areas like the scalp, body, and pubic region but not the toenails. Pediculosis is not related to fungal infections.
Choice C rationale
Tinea pedis, commonly known as athlete's foot, is a fungal infection that primarily affects the skin on the feet, particularly between the toes. While it is a dermatophyte infection, it does not specifically affect the toenails.
Choice D rationale
Onychomycosis is a fungal infection of the toenails or fingernails. It is caused by dermatophytes, yeasts, or nondermatophyte molds. The infection leads to thickened, brittle, and discolored nails, which accurately describes a dermatophyte infection of the toenail.
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