10 Questions
What is the term for the contraction of atria?
Atrial systole
Which neurotransmitter is associated with increasing heart rate?
Norepinephrine
What is the function of the SA node in the heart?
Generating electrical impulses
What is the term for the pressure against which the heart must work to eject blood during systole?
Afterload
What controls the strength and rate of heart contractions?
Neural and endocrine signals
Which of the following neurotransmitters is associated with decreasing heart rate?
Acetylcholine
What is the term for the electrical impulses generated by the heart's natural pacemaker?
SA node
During which phase of the cardiac cycle does neither chamber contract?
Diastole
What is the term for the pressure against which the heart must work to eject blood during systole?
Afterload
What controls the strength and rate of heart contractions?
Endocrine signals
Test your knowledge of the cardiac cycle with this quiz. Explore the phases of atrial and ventricular systole, diastole, and afterload pressure. Brush up on your understanding of systole, diastole, and their relationship to arterial blood pressure.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
