Cardiovascular System MCQ Exam Quiz!
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- 1.The tiny white cords that anchor the cusps or flaps of the endocardium to the walls of the ventricles are called the ________.
- A.
Myocardium
- B.
Chordae tendineae
- C.
Ductus venosus
- D.
Ligamentum arteriosum
- 2.The bicuspid valve is also referred to as the ________ valve.
- A.
Semilunar
- B.
Aortic
- C.
Pulmonary
- D.
Mitral
- 3.The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart.
- A.
Right ventricle
- B.
Left atrium
- C.
Right atrium
- D.
Left ventricle
- 4.The series of reactions that stop blood flow following a cut is called ________.
- A.
Agglutination
- B.
Erythropoiesis
- C.
Homeostasis
- D.
Coagulation
- E.
Hemostasis
- 5.Sustained elevated arterial blood pressure above 140/90 mm Hg is a condition known as ________.
- A.
Hypertension (high blood pressure)
- B.
Myocardial infarction
- C.
Orthostatic hypotension
- D.
Circulatory shock
- 6.The average heart beats about ________ times per minute.
- A.
105
- B.
50
- C.
35
- D.
75
- 7.Platelets are fragments of a multinucleate cell known as a ________.
- A.
Erythrocyte
- B.
Megakaryocyte
- C.
Monocyte
- D.
Reticulocyte
- 8.What anchors the flaps of the atrioventricular valves to the walls of the ventricles?
- A.
Interatrial septum
- B.
Chordae tendineae
- C.
Ligamentum arteriosum
- D.
Fossa ovalis
- E.
Coronary sulcus
- 9.The process by which bleeding is stopped is called ________.
- A.
Erythropoiesis
- B.
Hemostasis
- C.
Hematopoiesis
- D.
Homeostasis
- 10.When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
- A.
Right atrium to the left atrium
- B.
Left ventricle to the right ventricle
- C.
Left ventricle to the left atrium
- D.
Left atrium to the right atrium
- E.
Right ventricle to the right atrium
- 11.The heart is situated within the medial section of the thoracic cavity known as the ________.
- A.
Mediastinum
- B.
Hilus
- C.
Hiatus
- D.
Diaphragm
- E.
Pleural cavity
- 12.The organ largely responsible for the synthesis of clotting factors is the ________.
- A.
Pancreas
- B.
Liver
- C.
Kidneys
- D.
Spleen
- E.
Throid
- 13.The first heart sound, "lub," is caused by the closure of the ________ valves.
- A.
Semilunar
- B.
Atrioventricular (AV)
- C.
Aortic
- D.
Pulmonary
- 14.The process whereby the binding of antibodies to antigens causes RBCs to clump is called ________.
- A.
Hemolysis
- B.
Coagulation
- C.
Clotting cascade
- D.
Agglutination
- E.
Hemostasis
- 15.Which fetal shunt bypasses the lungs by directly connecting the right atrium and the left atrium?
- A.
Ductus arteriosus
- B.
Umbilical vein
- C.
Foramen ovale
- D.
Ligamentum arteriosum
- E.
Ductus venosus
Questions: 12 | Attempts: 23431 | Last updated: Mar 22, 2022
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