Biology 3.1.2 Drugs that control the heart

Descrição

A level Biology (3.1.2 Transport in animals) FlashCards sobre Biology 3.1.2 Drugs that control the heart, criado por Sam Gunnell em 20-04-2019.
Sam Gunnell
FlashCards por Sam Gunnell, atualizado more than 1 year ago
Sam Gunnell
Criado por Sam Gunnell mais de 5 anos atrás
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Resumo de Recurso

Questão Responda
What are the two nerves involved with controlling heart rate? Vagus nerve Sympathetic nerve
What is the function of the vagus nerve? To release acetycholine next o the cells of the SAN to slow heart rate
What is the function of the sympathetic nerve? Releases noradrenaline which makes heart rate faster
What are the two drugs used to adjust a patient's heart rate? Digoxin Propranol
What does digoxin do? How? Increases the force of cardiac contractions. It inhibits the Na-K pump in the plasma membrane of the muscle cells. As a result Na ions collect in the cell, along with Ca ions to increase the force of contractions
What does propranol do? How? Reduces the persons' heart rate. It reduces the effects of noradrealin on the SAN
What are the possible side effects of propranol? Angina

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