ATI LPN
Cardiovascular Disease Questions and Answers Questions
Question 1 of 5
The depolarisation of cardiac muscle cells is characterised by:
Correct Answer: C
Rationale: The repolarisation phase of cardiac muscle cells involves potassium efflux through two types of potassium channels.
Question 2 of 5
After birth, about 2 million erythrocytes(red blood cells) are produced every second in bone marrow.
Correct Answer: D
Rationale: Both statements are factually correct but the reason does not explain the assertion.
Question 3 of 5
Identify the heart valve that is also called the mitral valve.
Correct Answer: B
Rationale: The bicuspid valve, located between the left atrium and left ventricle, is also known as the mitral valve.
Question 4 of 5
The volume of blood pumped by a ventricle per minute is the______.
Correct Answer: A
Rationale: Cardiac output is defined as the volume of blood pumped by each ventricle per minute.
Question 5 of 5
Blood flows the fastest in
Correct Answer: B
Rationale: Blood flows fastest in arteries due to their high-pressure environment and smaller total cross-sectional area compared to other vessels.