QUESTIONS AND ANSWERS 100%
CORRECT!!
, Blood is pumped to the lungs from the ? - ANSWER Right ventricle
The four heart chambers - ANSWER - right atrium
- right ventricle
- left atrium
- left ventricle
The four heart valves - ANSWER - Tricuspid
- Pulmonary
- Bicuspid / Mitral
- aortic
Diastole - ANSWER - Ventricle filling phase, the ventricle muscles are relaxed and
dilating
- Diastolic blood pressure
systole - ANSWER - Ventricle ejection phase, the ventricle muscles are contracting,
forcing blood into the lungs and body.
- Systolic blood pressure
Which valves are open during systole ? - ANSWER Aortic and Pulmonary
Artery - ANSWER A vessel that carries blood away from the heart
Vein - ANSWER A vessel that carries blood towards the heart
Contractility - ANSWER Ability of cardiac muscle to develop force
Inotropism - ANSWER - allows heart to contract
- same as contractility
Preload - ANSWER - Force acting on a muscle prior to a contraction
- depends on how full the ventricle is
Afterload - ANSWER - pressure the ventricle must contract against
- depends on pressure / resistance in arteries