APPLIED RADIOLOGICAL ANATOMY

ANATOMY

CHEST AND CARDIOVASCULAR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these statements concerning the functional characteristics of the heart chambers is NOT correct?
A
During ventricular diastole, the semilunar valves open.
B
During ventricular systole, the atrioventricular valves close.
C
70% of ventricular filling occurs before the atria contract.
D
At the very beginning of ventricular diastole, blood flows directly from the atria into the relaxed ventricles.
Explanation: 

Detailed explanation-1: -Answer Atria contact during ventricular systole. This statement is false as the Atria contract in atrial systole which takes place towards the end of ventricular diastole.

Detailed explanation-2: -8. Which of these statements concerning the normal pathway of blood flow is NOT correct? e. Neither from the pulmonary veins to the right atrium nor from the coronary sinus to the right atrium are correct.

Detailed explanation-3: -Which of the following is NOT a characteristic of cardiac muscle cells? They have multiple nuclei.

There is 1 question to complete.