Cvs Quiz #01
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- 1.Which of the following is not a tributary of thecoronary sinus?
- A.
Anterior cardiac vein.
- B.
Great cardiac vein
- C.
Middle cardiac vein
- D.
Small Cardiac vein.
- 2.At which phase systol occur?
- A.
2
- B.
1 and 2
- C.
3 and 4
- D.
All phases
- E.
Sodium channels open, calcium channels close, potassium channels close
- 3.The fibrous pericardium is innervated by:
- A.
Phrenic nerve.
- B.
Sympathetic plexus.
- C.
Parasympathetic fibers.
- D.
Intercostal nerves.
- 4.Stimulation of this nerve reduces heart rate
- A.
Vagus nerve
- B.
Cardiac accelerator nerve
- C.
Hypoglossal nerve
- D.
Medulla oblongata nerve
- E.
Phrenic nerve
- 5.The moderator band is present in the cavity of:
- A.
Right ventricle.
- B.
Right Atrium.
- C.
Left atrium.
- D.
. Left Ventricle.
- 6.This is the correct sequence of structures that allows the normal sequence of excitation to progress through the heart
- A.
SA node - AV node - Bundle of His - Purkinje fibres
- B.
Bundle of His - Purkinje fibres - AV node
- C.
SA node - Purkinje fibres - AV node - Bundle of His
- D.
Purkinje fibres - AV node - SA node - Bundle of His
- E.
Bundle of His - SA node - AV node - Purkinje fibres
- 7.This structure is the Main branches of ?
- A.
Left coronary artery
- B.
Marginal artery
- C.
Posterior interventricular artery
- D.
Circumflex artery
- 8.This is the volume of blood ejected from the left ventricle into the aorta each minute
- A.
Cardiac output
- B.
Cardiac input
- C.
Stroke volume
- D.
Heart rate
- E.
Auscultation
- 9.The following structures open into the right atrium except which ?
- A.
The right pulmonary veins
- B.
The superior vena cava
- C.
The coronary sinus
- D.
The anterior cardiac Vein .
- 10.Which of the below structures prevents blood from flowing back from the lungs?
- A.
Pulmonary valve
- B.
Tricuspid valve
- C.
Bicuspid valve
- D.
Aortic valve
- E.
Pulmonary vein
- 11.The non contractile fibers in the hart are :
- A.
Responsible for the initiation and conduction of the action potation.
- B.
Responsible for the pumping action of the hart.
- C.
Present in the atria and ventricles.
- D.
Presented as 99% of the cardiac muscle fibers.
- 12.Identify the structure
- A.
Right marginal branch.
- B.
Right coronary artery.
- C.
Circumflex branch
- D.
Left coronary artery
- 13.The Trachea is present in:
- A.
Superior mediastinum.
- B.
Anterior mediastinum
- C.
Middle mediastinum.
- D.
Posterior mediastinum.
- 14.The thick muscle wall in the arterioles :
- A.
All of the above.
- B.
Controls the diameter of the small arteries.
- C.
Controls the blood pressure and the blood flow to the tissues.
- D.
Have a resistance function.
- 15.The second heart sound represents which of the blow events?
- A.
Semillunar valves closing
- B.
Valvular stenosis
- C.
Semillunar valves Opening
- D.
Atrioventricular valves closing
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