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

Answer and Explanation

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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Correct Answer is A

Explanation

A) Increased intraocular pressure: Sympathomimetic drugs stimulate the sympathetic nervous system and promote "fight or flight" responses, often resulting in vasoconstriction and other effects. Some sympathomimetics, especially those that affect alpha-adrenergic receptors, can lead to increased intraocular pressure, which is a concern in conditions like glaucoma.

B) Decreased blood pressure: Sympathomimetic drugs generally increase blood pressure by stimulating alpha and beta receptors that cause vasoconstriction and increased heart rate. In contrast, drugs that would decrease blood pressure are usually parasympathomimetics or other agents designed to block sympathetic responses.

C) Decreased heart rate: Sympathomimetic drugs typically increase heart rate by stimulating beta-1 adrenergic receptors in the heart. These drugs are used in situations requiring increased cardiac output or to counteract bradycardia. Decreased heart rate would typically occur with parasympathomimetic drugs or medications that block sympathetic activity (e.g., beta blockers).

D) Increased respiration: Sympathomimetic drugs can increase respiratory rate by promoting bronchodilation through beta-2 adrenergic receptor activation in the lungs. However, "increased respiration" as a general effect is not as specific or consistent as the other cardiovascular and ocular effects of these drugs. The primary and most prominent physiological change would be related to the cardiovascular effects.

A. the patella reflex "knee jerk" activated by tapping the patella tendon B. abdominal viscera the beginning of depolarization in the cardiac conduction of impulses C. the act of typing a report using a computer keyboard D. withdrawing the hand after touching a hot surface

Correct Answer is C

Explanation

A) The patella reflex ("knee jerk") activated by tapping the patella tendon: The patellar reflex is a monosynaptic spinal reflex that involves the somatic nervous system but is a reflex action rather than a voluntary motor function. The somatic nervous system governs voluntary movements, but reflex actions like the patellar reflex are involuntary responses that do not require higher brain input, though they involve somatic motor pathways.

B) Abdominal viscera the beginning of depolarization in the cardiac conduction of impulses: This process is primarily under the control of the autonomic nervous system (ANS), not the somatic nervous system. The ANS regulates involuntary processes like heart rate and digestion, while the somatic nervous system controls voluntary movements and somatic sensation.

C) The act of typing a report using a computer keyboard: Typing is a voluntary motor activity, controlled by the somatic nervous system. The somatic system is responsible for conscious, voluntary actions such as moving muscles in the arms, hands, and fingers to type. This is the most accurate example of a somatic function.

D) Withdrawing the hand after touching a hot surface: This is a reflex action known as the "withdrawal reflex," which involves the somatic nervous system. However, it is an involuntary action triggered by a sensory stimulus. While it does involve the somatic system, it is not a voluntary action like typing, and reflexes are considered part of the automatic response mechanisms.

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The nurse assess that the patient is having a sympathetic response when noting what manifestation?

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