Answer:
The correct option is : a. causing threshold to be reached more quickly
Explanation:
Norepinephrine, also known as noradrenalin, is an organic compound, which belongs to the catecholamine family. It acts as a hormone and a neurotransmitter in the brain and the body and also impacts the heart.
It is one of the hormones secreted by the adrenal medulla. Norepinephrine is a part of the fight-or-flight mechanism of the body. It acts by binding to the β-1 receptors and opens the chemical or ligand gated calcium and sodium ion channels. Therefore, <u>it causes the threshold to be reached faster </u>by increasing the rate of depolarization and thus causes heart arrhythmia.
Therefore, <u>Norepinephrine acts on the heart by </u><u>causing threshold to be reached faster.</u>
Answer:
The type of health insurance that enables healthcare providers to accept insurance payments to provide specific health services to members at a negotiated rate is called a health medical care organization.
Explanation:
Health medical care organization is a kind of medical insurance that allows the patients to seek health facilities at a negotiated amount of the annual fee.
The providers have agreed to the payment methods and the negotiated amounts proposed by the health medical care organization in exchange for a steady amount of customers.
The health medical care organization is regulated at the federal as well as the state levels in the U.S.
Mr. Fisher dropped off a prescription for Allegra® and wants to fill the generic with this medication because it is cheaper. The generic name that should be filled is fexofenadine.
<h3>What are generic names?</h3>
The generic names of the medicines are those names by which the drug is licensed and manufactured. The medicine is identified by this name. The manufacturers use this name to identify the medicines.
The generic name of Allegra® is fexofenadine. It is an antihistamine drug. Used to clear running nose, and other allergic symptoms.
Thus, the generic name of Allegra® is fexofenadine.
To learn more about generic names, refer to the link:
brainly.com/question/9526183
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The herb seems to have a calming effect on the central nervous system.
