The nurse assess that the patient is having a sympathetic response when noting what manifestation?
Decrease in heart rate and perfusion, and an increase in inflammatory response
Increase motility and secretion in the GI tract, constriction of bronchi and pupils
Increase in blood pressure, bronchodilation, and decrease bowel sounds
Decrease in sweating, decrease in respiration, and pupil constriction
The Correct Answer is C
A) Decrease in heart rate and perfusion, and an increase in inflammatory response: These manifestations suggest parasympathetic nervous system activation, not the sympathetic response. The sympathetic system generally increases heart rate and perfusion to support "fight or flight" responses. Additionally, inflammatory responses are more immune-related and are not a direct effect of sympathetic activation.
B) Increase motility and secretion in the GI tract, constriction of bronchi and pupils: This is characteristic of parasympathetic nervous system activity. The parasympathetic system stimulates digestion (increased motility and secretion) and causes bronchoconstriction and pupil constriction (miosis). The sympathetic nervous system, in contrast, inhibits GI motility and causes bronchodilation and pupil dilation.
C) Increase in blood pressure, bronchodilation, and decrease bowel sounds: These are hallmark signs of sympathetic nervous system activation. When the sympathetic system is activated during stress or danger, it leads to vasoconstriction, which increases blood pressure. Bronchodilation occurs to allow more oxygen intake, and GI motility decreases (manifested as reduced bowel sounds) to redirect energy to more vital functions, like increased circulation to muscles.
D) Decrease in sweating, decrease in respiration, and pupil constriction: These signs suggest parasympathetic or a relaxed state. The sympathetic nervous system typically increases sweating, respiration, and causes pupil dilation to prepare the body for increased activity. Decreased sweating and respiration, along with pupil constriction, would not be consistent with the sympathetic response.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) CSF proteins and an angiography: While cerebrospinal fluid (CSF) analysis is a valuable diagnostic tool in multiple sclerosis (MS), angiography is not typically used in diagnosing MS. Angiography is primarily used to assess blood vessels and would not help in diagnosing a neurological condition like MS, which involves the central nervous system's myelin sheath.
B) Serum anti-acetylcholine antibodies and x-rays: Anti-acetylcholine antibodies are more relevant for diagnosing autoimmune conditions such as myasthenia gravis, not multiple sclerosis. Additionally, x-rays are not useful for diagnosing MS, as MS is primarily a disorder of the central nervous system, and x-rays are not effective in visualizing soft tissues or brain lesions associated with MS.
C) Serum albumin and a computed tomography (CT) scan: Serum albumin levels are not relevant for diagnosing MS. A CT scan may be used in some cases to rule out other conditions, but magnetic resonance imaging (MRI) is more sensitive and specific for diagnosing MS. MRI is particularly effective in detecting the plaques or lesions in the brain and spinal cord that are characteristic of MS.
D) Cerebrospinal fluid (CSF) and magnetic resonance imaging (MRI): This is the correct combination of diagnostic tests for multiple sclerosis. CSF analysis can show elevated levels of immunoglobulin G (IgG) and oligoclonal bands, which are common in MS. MRI is the most sensitive imaging tool for detecting the characteristic plaques or demyelinated areas in the brain and spinal cord, which are hallmarks of MS. Therefore, this combination is the gold standard for confirming the diagnosis of MS.
Correct Answer is C
Explanation
A) GABA-ergic:
GABA-ergic neurons use gamma-aminobutyric acid (GABA) as their neurotransmitter, not acetylcholine (ACh). GABA is the main inhibitory neurotransmitter in the brain, playing a crucial role in reducing neuronal excitability.
B) Dopaminergic:
Dopaminergic neurons release dopamine as their neurotransmitter. Dopamine is involved in several critical functions, including movement, reward, and regulation of mood. Since acetylcholine is not involved in dopaminergic transmission, this is not the correct answer.
C) Cholinergic:
Cholinergic neurons use acetylcholine (ACh) as their neurotransmitter. These neurons are involved in many functions, including muscle activation (in the somatic nervous system), as well as modulating parasympathetic responses in the autonomic nervous system.
D) Serotonergic:
Serotonergic neurons release serotonin (5-HT), which is a neurotransmitter involved in regulating mood, appetite, sleep, and other functions. Acetylcholine is not involved in serotonergic transmission
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