Cardiovascular System Exam 23-24 (1s Hour)

Mitral Regurgitation (MR) is a condition in which the Mitral Valve does not fully close, allowing blood to move backward against the normal direction of blood flow when the Ventricle contracts.

Which of the following is the best explanation of a cause of Mitral Regurgitation?

• Tears in the Endothelium

• Rupture of the Chordae Tendinae

• Vasoconstriction in the Pulmonary Arterioles

• Lack of blood flow through the Coronary Arteries

Which of the following shows an Electrocardiogram (ECG) from Lead II?

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Blood is in an Arteriole in the Liver. This blood is in the:

• Systemic Arterial System

• Systemic Venous System

• Pulmonary Arterial System

• Pulmonary Venous System

Blood is in an Arteriole in the Liver. What is the next chamber of the heart that this blood will enter?

• Right Atrium

• Right Ventricle

• Left Atrium

• Left Ventricle

Blood is in a Venule in the Lungs. Is this blood Oxygenated or Deoxygenated?

• Oxygenated

• Deoxygenated

• Not enough information is given to know

Which of the following locations would contain Oxygenated blood

• Right Ventricle

• Superior Vena Cava

• Venule in the Kidney

• Arteriole in the bicep muscle

Blood is in a Venule in the Lungs. Which is the next type of Gas Exchange that this blood will go through?

• Systemic

• Pulmonary

• Diastolic

• Systolic

Erythropoiesis is the process of creating new Red Blood Cells. In this process when the ______ detects lowered blood oxygen levels it releases a hormone called _____ which signals the ______ to create more Red Blood Cells. When blood oxygen levels are restored, the hormone stops being released.

• Liver / Leukopoietin / Kidneys

• Kidneys / Leukopoieton / Red Bone Marrow

• Liver / Erythropoietin / Red Bone Marrow

• Kidneys / Erythropoietin / Red Bone Marrow

Blood is...

• a connective tissue

• always deoxygenated

• only made up of cells called Formed Elements

• only made up of extracellular matrix called Plasma

If this individual showed signs of Polycythemia, which of the following would be true about their blood sample?

• They would show a higher than normal level of Hematocrit

• They would show a lower than normal level of Hematocrit

• They would show a higher than normal level of Buffy Coat

• They would show a lower than normal level of Buffy Coat