10006926
Descrição
Quiz por Michael Jardine, atualizado more than 1 year ago
|
Criado por Michael Jardine
mais de 7 anos atrás
|
|
Questão 1
Questão
The Ventricular Action Potential duration is:
Responda
-
~300 ms; ~100X longer than APs in nerves and skeletal muscle.
-
~300 ms; roughly equal to APs in nerves and skeletal muscle.
-
~300 ms; ~100X shorter than APs in nerves and skeletal muscle.
-
3-4 ms; ~100X longer than APs in nerves and skeletal muscle.
-
3-4 ms; roughly equal to APs in nerves and skeletal muscle.
-
3-4 ms; ~100X shorter than APs in nerves and skeletal muscle.
Questão 2
Questão
What is ICa?
Responda
-
Intracellular [Ca]
-
Inside [Ca]
-
Inward [Ca] current
-
Intracellular [Ca], measured relative to extracellular [Ca]
Questão 3
Questão
There are three main functions of ICa. These are?
(select all that apply)
Responda
-
Provides inward current, which helps maintain long AP.
-
Provides a small fraction of the Ca, which triggers contraction.
-
Triggers Ca release from the SR (through the process of CICR - Calcium-Induced Calcium Release).
-
Helps marble meat properly.
Questão 4
Questão
Do Potassium channels contribute to the long action potential?
Responda
-
Yes
-
No
Questão 5
Questão
Potassium channels are largely responsible for which of the following?
(not necessarily their only role, though)
Responda
-
Depolarisation
-
Repolarisation
-
[none of the above]
Questão 6
Questão
K[ATP] channels ("ATP" should be subscript) are:
Responda
-
Potassium-induced ATP channels.
-
ATP-induced Potassium channels.
-
Lack-of-Potassium -induced ATP channels.
-
Lack-of-ATP -induced Potassium channels.
Questão 7
Questão
Ischaemia is [blank_start]____[blank_end] of blood flow
Responda
-
restriction
-
an excess
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.