Podcast
Questions and Answers
What happens to heart rate when the sympathetic nervous system (SyNS) is increased?
What happens to heart rate when the sympathetic nervous system (SyNS) is increased?
- It increases (correct)
- It becomes irregular
- It decreases
- It remains the same
Which hormone increases heart rate and contractility?
Which hormone increases heart rate and contractility?
- Thyroid hormone
- Epinephrine
- Norepinephrine
- All of the above (correct)
What is the term for the degree of stretch on the heart before it contracts?
What is the term for the degree of stretch on the heart before it contracts?
- Afterload
- Contractility
- Stroke volume
- Preload (correct)
What is affected by the duration of ventricular diastole and venous return?
What is affected by the duration of ventricular diastole and venous return?
What is the result of increased parasympathetic nervous system (PaNS) activity?
What is the result of increased parasympathetic nervous system (PaNS) activity?
What is the Frank-Starling law related to?
What is the Frank-Starling law related to?
What is the function of the pericardial fluid in the pericardial cavity?
What is the function of the pericardial fluid in the pericardial cavity?
What is the layer of the heart wall that is in contact with the pericardial cavity?
What is the layer of the heart wall that is in contact with the pericardial cavity?
What happens when the ventricles contract?
What happens when the ventricles contract?
What is the main function of the myocardium?
What is the main function of the myocardium?
What is the function of the papillary muscles?
What is the function of the papillary muscles?
What is the interatrial septum?
What is the interatrial septum?
What is the heart sound 'lub' produced by?
What is the heart sound 'lub' produced by?
What is the function of the right side of the heart?
What is the function of the right side of the heart?
What is the function of the right atrioventricular (AV) valve?
What is the function of the right atrioventricular (AV) valve?
What is the endothelium?
What is the endothelium?
What is the function of the coronary circulation?
What is the function of the coronary circulation?
What is the sequence of the conduction system in the heart?
What is the sequence of the conduction system in the heart?
What is the main function of capillaries in the exchange vessels?
What is the main function of capillaries in the exchange vessels?
What is the structure of blood vessel walls, except capillaries?
What is the structure of blood vessel walls, except capillaries?
What is the term for a decrease in lumen size?
What is the term for a decrease in lumen size?
What is the function of the tunica intima layer?
What is the function of the tunica intima layer?
What is the term for the process of venules merging to form progressively larger veins?
What is the term for the process of venules merging to form progressively larger veins?
What is the primary function of hemoglobin in red blood cells?
What is the primary function of hemoglobin in red blood cells?
What is the term for the formation of red blood cells?
What is the term for the formation of red blood cells?
What is the function of neutrophils in the immune system?
What is the function of neutrophils in the immune system?
What is the term for an increased white blood cell count?
What is the term for an increased white blood cell count?
What is the term for the average blood pressure in the arteries?
What is the term for the average blood pressure in the arteries?
What is the primary function of the lymphatic system?
What is the primary function of the lymphatic system?
What is the term for the fluid that flows through the lymphatic system?
What is the term for the fluid that flows through the lymphatic system?
What is the function of lymph nodes in the lymphatic system?
What is the function of lymph nodes in the lymphatic system?
What is the term for the two main lymphatic ducts?
What is the term for the two main lymphatic ducts?
What is the term for the process by which lymph flows through the lymphatic system?
What is the term for the process by which lymph flows through the lymphatic system?
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