WGU D313 ANATOMY AND PHYSIOLOGY EXAM 2025/2026 PRACTICE
TEST QUESTIONS AND CORRECT ANSWERS GRADED A+
Which part of the cardiac cycle is represented by the QRS complex?
Ventricular Systole
What is the difference between the maximum and resting cardiac output (CO)
called?
Cardiac Reserve
What is the normal resting heart rate (HR) of an adult?
60-110 bpm
What sound is produced by the closing of the mitral and tricuspid valve?
First Heart Sound
, Which blood cells lack granules?
Monocytes and lymphocytes
Which blood component contains hemoglobin?
Erythrocyte
Which cell contains the highest concentrations of iron?
Erythrocyte
Which element contributes to blood clotting?
Prothrombin protein
Which structure contains lubricating fluid that helps the heart to expand and
contract?
TEST QUESTIONS AND CORRECT ANSWERS GRADED A+
Which part of the cardiac cycle is represented by the QRS complex?
Ventricular Systole
What is the difference between the maximum and resting cardiac output (CO)
called?
Cardiac Reserve
What is the normal resting heart rate (HR) of an adult?
60-110 bpm
What sound is produced by the closing of the mitral and tricuspid valve?
First Heart Sound
, Which blood cells lack granules?
Monocytes and lymphocytes
Which blood component contains hemoglobin?
Erythrocyte
Which cell contains the highest concentrations of iron?
Erythrocyte
Which element contributes to blood clotting?
Prothrombin protein
Which structure contains lubricating fluid that helps the heart to expand and
contract?
