Asked by Hamdi Farah on Jun 14, 2024

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Hormones from the adrenal medulla

A) are released in response to parasympathetic stimulation.
B) cause vasodilation in blood vessels of the skin.
C) decrease the heart rate.
D) cause an increase in stroke volume.
E) are released in response to vagal stimulation.

Adrenal Medulla

The inner portion of the adrenal gland, responsible for producing adrenaline and noradrenaline, which are involved in stress responses.

Vasodilation

is the widening of blood vessels, resulting from relaxation of smooth muscle cells within the vessel walls, often increasing blood flow.

Parasympathetic Stimulation

The stimulation of the parasympathetic nervous system results in outcomes such as a lower heart rate and heightened activity in the digestive system.

  • Learn about the significance of multiple hormones and chemicals in the management of blood pressure.
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Priyanka DesaiJun 16, 2024
Final Answer :
D
Explanation :
The adrenal medulla releases catecholamines (e.g., adrenaline and noradrenaline) in response to stress or sympathetic nervous system activation, which among other effects, increase the heart's stroke volume.