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WGU D313 OA AND PA ANATOMY AND PHYSIOLOGY EXAM
2025/2026 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND VERIFIED ANSWERS |ALREADY GRADED
A+|
The blood leaves the valve and enters the _______, a large blood
vessel. The blood vessel has three major branches, which supply
the head and arms with oxygenated blood. It curls downward from
behind the hear and descends through the chest and continues
down through the abdomen. -ANSWERS-aorta
In the abdomen, the artery splits to supply the pelvis and lower
limb with blood. The artery that supplies the lower limb is called
the _____ -ANSWERS-femoral artery
Gas exchange occurs in the capillaries throughout the body. The
oxygenated blood enters the cells. The deoxygenated blood, that
carries carbon dioxide, leaves the cell and enters the blood
stream, where it makes it way back to the heart.
, Page |2
The ____ receives deoxygenated blood from the head, neck,
upper limbs and chest -ANSWERS-superior vena cava
The _____ receives deoxygenated blood from the trunk, viscera,
and lower limbs -ANSWERS-inferior vena cava
Which part of the cardiac cycle is represented by the QRS
complex? -ANSWERS-ventricular systole
What is the difference between the maximum and resting cardiac
output (CO) called? -ANSWERS-cardiac reserve
What is the normal resting heart rate (HR) of an adult? -
ANSWERS-60-100 bpm
What sound is produced by the closing of the mitral and tricuspid
valve? -ANSWERS-first heart sound
Which structure protects the heart? -ANSWERS-pericardium
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Which artery gives rise to the right ulnar artery? -ANSWERS-right
brachial artery
Which artery becomes the femoral artery once it leaves the body
cavity? -ANSWERS-external iliac artery
Which blood cells lack granules? -ANSWERS-monocytes and
lymphocytes
Which of the following contains hemoglobin? -ANSWERS-
erythrocyte
Which of the following contains lubricating fluid that helps the
heart to expand and contract? -ANSWERS-pericardium
What heart sound does the closing of the Bicuspid Valve
correspond to? -ANSWERS-Lub/S1
Which of the following contains the highest concentrations of
iron? -ANSWERS-erythrocyte
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Which element contributes to blood clotting? -ANSWERS-
prothrombin protein
The simple squamous lining of the heart cavities, continuous with
the lining of the blood vessels -ANSWERS-endocardium
The outer layer of the serous membrane surrounding the heart, it
is also called the pericardial sac -ANSWERS-parietal pericardium
Commonly called a heart, this happens when the coronary
circulation is blocked and a region of myocardium is starved of
oxygen and dies -ANSWERS-myocardial infaction
The bulging, and potential rupture, of a major arterial wall after the
elastic and connective tissue has been weakened by chronic high
blood pressure -ANSWERS-aneurysm
WGU D313 OA AND PA ANATOMY AND PHYSIOLOGY EXAM
2025/2026 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND VERIFIED ANSWERS |ALREADY GRADED
A+|
The blood leaves the valve and enters the _______, a large blood
vessel. The blood vessel has three major branches, which supply
the head and arms with oxygenated blood. It curls downward from
behind the hear and descends through the chest and continues
down through the abdomen. -ANSWERS-aorta
In the abdomen, the artery splits to supply the pelvis and lower
limb with blood. The artery that supplies the lower limb is called
the _____ -ANSWERS-femoral artery
Gas exchange occurs in the capillaries throughout the body. The
oxygenated blood enters the cells. The deoxygenated blood, that
carries carbon dioxide, leaves the cell and enters the blood
stream, where it makes it way back to the heart.
, Page |2
The ____ receives deoxygenated blood from the head, neck,
upper limbs and chest -ANSWERS-superior vena cava
The _____ receives deoxygenated blood from the trunk, viscera,
and lower limbs -ANSWERS-inferior vena cava
Which part of the cardiac cycle is represented by the QRS
complex? -ANSWERS-ventricular systole
What is the difference between the maximum and resting cardiac
output (CO) called? -ANSWERS-cardiac reserve
What is the normal resting heart rate (HR) of an adult? -
ANSWERS-60-100 bpm
What sound is produced by the closing of the mitral and tricuspid
valve? -ANSWERS-first heart sound
Which structure protects the heart? -ANSWERS-pericardium
, Page |3
Which artery gives rise to the right ulnar artery? -ANSWERS-right
brachial artery
Which artery becomes the femoral artery once it leaves the body
cavity? -ANSWERS-external iliac artery
Which blood cells lack granules? -ANSWERS-monocytes and
lymphocytes
Which of the following contains hemoglobin? -ANSWERS-
erythrocyte
Which of the following contains lubricating fluid that helps the
heart to expand and contract? -ANSWERS-pericardium
What heart sound does the closing of the Bicuspid Valve
correspond to? -ANSWERS-Lub/S1
Which of the following contains the highest concentrations of
iron? -ANSWERS-erythrocyte
, Page |4
Which element contributes to blood clotting? -ANSWERS-
prothrombin protein
The simple squamous lining of the heart cavities, continuous with
the lining of the blood vessels -ANSWERS-endocardium
The outer layer of the serous membrane surrounding the heart, it
is also called the pericardial sac -ANSWERS-parietal pericardium
Commonly called a heart, this happens when the coronary
circulation is blocked and a region of myocardium is starved of
oxygen and dies -ANSWERS-myocardial infaction
The bulging, and potential rupture, of a major arterial wall after the
elastic and connective tissue has been weakened by chronic high
blood pressure -ANSWERS-aneurysm
