The secretions of the adrenal medulla act to supplement the effects of ________.

Question

BlackTom AI · Accepted Answer

The question asks about the function of adrenal medulla secretions and what they accompany or supplement.
Option 1: 'sympathetic stimulation' — This is the correct pairing. The adrenal medulla releases catecholamines (primarily epinephrine and a smaller amount of norepinephrine) in response to sympathetic nervous system activation, effectively supplementing the effects of sympathetic stimulation by amplifying fight-or-flight responses.
Option 2: '. parasympathetic innervation' — Parasympathetic input generally promotes rest-and-digest activities and is not the primary system whose effects are supplemented by adrenal medulla secretions. The adrenal medulla responds to sympathetic, not parasympathetic, signaling, making this option incorrect.
Option 3: 'neurosecretory substances' — While adrenal medulla can be described as neurosecretory because it releases hormones into the blood in response to neural stimulation, this wording is too broad and does not specify the sympathetic context. The question asks for what the secretions supplement, and the most precise fit is sympathetic stimulation, not a vague category of neurosecretory activity.
Option 4: 'vagus nerve activity' — The vagus nerve is a parasympathetic pathway primarily involved in calming and conserving energy, not in stimulating the adrenal medulla to release catecholamines. Therefore, this choice does not accurately describe what the adrenal medulla supplements, and it is incorrect.
In summary, the adrenal medulla’s secretions reinforce and extend the effects initiated by sympathetic nervous system activation, aligning with option 1 and contradicting the others.

The secretions of the adrenal medulla act to supplement the effects of ________.单项选择题

类似问题

Where are the cell bodies belonging to presynaptic sympathetic neurons located?

When your body prepares you for fight or flight (e.g., eyes dilating, heart pumping),which system in your body is activated?

Question at position 10 Which part of the nervous system will be most active when Martin, a backpacker, acts quickly in response to a wild animal approaching him?central nervous systemparasympathetic nervous systemsympathetic nervous systemsomatic nervous system

During exercise, such as running, increased Blank nervous system activity to the kidneys leads to Blank .

The sympathetic division in the autonomic nervous system gives us the fight or flight response.

What is the primary role of the sympathetic nervous system?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单