GCSS ARMY DUA COMPLETE EXAM
REVIEW WITH FULL SOLUTIONS
●● About how much does the heart weigh and what is it's size?
Answer: Less than a pound and the size of a fist
●● Mediastinum
Answer: Space between the lungs where the heart lies
●● Apex
Answer: The pointed end of the heart that rests on the diaphragm (it is
directed toward the left hip)
●● Base
Answer: Top part of the heart that is broad
●● Pericardium
Answer: Double-walled sac that the heart sits in and contains serous
fluid between the layers to prevent friction
●● Pericarditis
,Answer: Inflammation of the pericardium that results in the decrease in
the serous fluid
●● What are the 3 layers of the heart wall?
Answer: 1. Epicardium
2. Myocardium
3. Endocardium
●● Endocardium
Answer: A thin sheet of endothelium that lines the heart chambers, it is
continuous with the linings of the blood vessels (innermost layer of the
heart wall)
●● How many hollow chambers does the heart has?
Answer: 4
●● Atria
Answer: Receiving chambers, blood comes into the heart
●● Where are the atria located?
Answer: Superior
●● Ventricles
, Answer: Bottom chambers that send out blood
●● Interatrial or intraventricular septum
Answer: Divides the heart longitudinally
●● Which side of the heart receives oxygen-poor blood from the veins?
Answer: The Right Side
●● Superior and Inferior Venae Cavae
Answer: The veins that bring in blood from the upper and lower parts of
the body to the heart
●● Pulmonary Arteries
Answer: Carry blood to the lungs where oxygen is picked up and carbon
dioxide is unloaded. (Takes blood to the lungs)
●● Pulmonary Vein
Answer: Vein that brings blood back from the lungs to the heart
●● Aorta
Answer: the largest artery in the body that sends out oxygenated blood
to the body
REVIEW WITH FULL SOLUTIONS
●● About how much does the heart weigh and what is it's size?
Answer: Less than a pound and the size of a fist
●● Mediastinum
Answer: Space between the lungs where the heart lies
●● Apex
Answer: The pointed end of the heart that rests on the diaphragm (it is
directed toward the left hip)
●● Base
Answer: Top part of the heart that is broad
●● Pericardium
Answer: Double-walled sac that the heart sits in and contains serous
fluid between the layers to prevent friction
●● Pericarditis
,Answer: Inflammation of the pericardium that results in the decrease in
the serous fluid
●● What are the 3 layers of the heart wall?
Answer: 1. Epicardium
2. Myocardium
3. Endocardium
●● Endocardium
Answer: A thin sheet of endothelium that lines the heart chambers, it is
continuous with the linings of the blood vessels (innermost layer of the
heart wall)
●● How many hollow chambers does the heart has?
Answer: 4
●● Atria
Answer: Receiving chambers, blood comes into the heart
●● Where are the atria located?
Answer: Superior
●● Ventricles
, Answer: Bottom chambers that send out blood
●● Interatrial or intraventricular septum
Answer: Divides the heart longitudinally
●● Which side of the heart receives oxygen-poor blood from the veins?
Answer: The Right Side
●● Superior and Inferior Venae Cavae
Answer: The veins that bring in blood from the upper and lower parts of
the body to the heart
●● Pulmonary Arteries
Answer: Carry blood to the lungs where oxygen is picked up and carbon
dioxide is unloaded. (Takes blood to the lungs)
●● Pulmonary Vein
Answer: Vein that brings blood back from the lungs to the heart
●● Aorta
Answer: the largest artery in the body that sends out oxygenated blood
to the body
