Podcast
Questions and Answers
Which of the following is true about the permeability of the capillary wall to proteins?
Which of the following is true about the permeability of the capillary wall to proteins?
- The capillary wall is permeable to proteins but to a lesser extent than water (correct)
- The capillary wall is highly permeable to proteins
- The capillary wall is equally permeable to proteins and water
- The capillary wall is impermeable to proteins
Which of the following is the major protein responsible for generating oncotic pressure in the plasma?
Which of the following is the major protein responsible for generating oncotic pressure in the plasma?
- Fibrinogen
- Globulins
- Albumin (correct)
- Hemoglobin
Which of the following is true about the oncotic pressure in the capillaries and interstitium?
Which of the following is true about the oncotic pressure in the capillaries and interstitium?
- The oncotic pressure in the capillaries is lower than in the interstitium
- The oncotic pressure in the capillaries is higher than in the interstitium (correct)
- The oncotic pressure in the capillaries and interstitium fluctuates
- The oncotic pressure in the capillaries and interstitium is equal
What is the main force that forces fluid out of the capillaries and into the interstitium?
What is the main force that forces fluid out of the capillaries and into the interstitium?
What is the approximate amount of water that capillaries lose to the lymphatic system per day?
What is the approximate amount of water that capillaries lose to the lymphatic system per day?
What is the main determinant of cardiac output?
What is the main determinant of cardiac output?
How does sympathetic innervation of veins affect venous return to the heart?
How does sympathetic innervation of veins affect venous return to the heart?
What happens to hydrostatic pressure when going from a supine to an upright position?
What happens to hydrostatic pressure when going from a supine to an upright position?
What is the immediate effect of orthostatic (postural) hypotension?
What is the immediate effect of orthostatic (postural) hypotension?
What is the function of the lymphatic system in controlling interstitial fluid pressure?
What is the function of the lymphatic system in controlling interstitial fluid pressure?
Which of the following is true about the effect of decreased alveolar O2 on local alveolar blood flow?
Which of the following is true about the effect of decreased alveolar O2 on local alveolar blood flow?
Which of the following is NOT a learning outcome related to the kidney's specialized flow?
Which of the following is NOT a learning outcome related to the kidney's specialized flow?
What is the approximate percentage of water in the tissue gel of the interstitium?
What is the approximate percentage of water in the tissue gel of the interstitium?
Which of the following is true about diffusion in the interstitium?
Which of the following is true about diffusion in the interstitium?
What is the net movement of nutrients, oxygen, and metabolic end products called?
What is the net movement of nutrients, oxygen, and metabolic end products called?
Which of the following is NOT a physiological property of the heart?
Which of the following is NOT a physiological property of the heart?
What is the term used to describe the distribution of extracellular fluid?
What is the term used to describe the distribution of extracellular fluid?
Which of the following is NOT a lecture topic covered in the overview?
Which of the following is NOT a lecture topic covered in the overview?
Which of the following is true about the circulation of blood?
Which of the following is true about the circulation of blood?
Which of the following is NOT a control mechanism for blood pressure?
Which of the following is NOT a control mechanism for blood pressure?
What is the main difference between systolic and diastolic dysfunction?
What is the main difference between systolic and diastolic dysfunction?
What is the main determinant of cardiac output?
What is the main determinant of cardiac output?
Which of the following is NOT a symptom of Class II heart failure according to the New York Heart Association (NYHA) classification?
Which of the following is NOT a symptom of Class II heart failure according to the New York Heart Association (NYHA) classification?
What is the main component of afterload?
What is the main component of afterload?
Which of the following is NOT a compensatory mechanism in heart failure?
Which of the following is NOT a compensatory mechanism in heart failure?
What is the main influence on myocardial contractility?
What is the main influence on myocardial contractility?
What is the main effect of excessive afterload on ventricular ejection?
What is the main effect of excessive afterload on ventricular ejection?
What is the main function of the lymphatic system in controlling interstitial fluid pressure?
What is the main function of the lymphatic system in controlling interstitial fluid pressure?
What is the classification of heart failure based on ejection fraction?
What is the classification of heart failure based on ejection fraction?
What is the main influence on L-type channels opening, facilitating calcium entry into cardiac muscle cells?
What is the main influence on L-type channels opening, facilitating calcium entry into cardiac muscle cells?
Which of the following is a broad category of events from which dysrhythmias (arrhythmias) arise?
Which of the following is a broad category of events from which dysrhythmias (arrhythmias) arise?
Which type of dysrhythmia is associated with the AV node?
Which type of dysrhythmia is associated with the AV node?
Which part of the heart has the fastest inherent rate of pacemaker activity?
Which part of the heart has the fastest inherent rate of pacemaker activity?
Which of the following is NOT a common type of tachyarrhythmia?
Which of the following is NOT a common type of tachyarrhythmia?
Which of the following is NOT a classification of dysrhythmias (arrhythmias)?
Which of the following is NOT a classification of dysrhythmias (arrhythmias)?
Which of the following is NOT a possible cause of dysrhythmias (arrhythmias)?
Which of the following is NOT a possible cause of dysrhythmias (arrhythmias)?
Which part of the conducting system is responsible for the electrical conduction between the atria and ventricles?
Which part of the conducting system is responsible for the electrical conduction between the atria and ventricles?
What is the characteristic feature of First Degree Heart Block?
What is the characteristic feature of First Degree Heart Block?
Which subtype of Second Degree Heart Block is characterized by a progressive lengthening of the P-R interval until a P wave fails to produce a QRS complex?
Which subtype of Second Degree Heart Block is characterized by a progressive lengthening of the P-R interval until a P wave fails to produce a QRS complex?
What happens in Third Degree Heart Block?
What happens in Third Degree Heart Block?
What can cause cells in the heart to develop pacemaker activity?
What can cause cells in the heart to develop pacemaker activity?
What is the term used to describe when an electrical impulse can re-stimulate a region of the heart after its refractory period has passed?
What is the term used to describe when an electrical impulse can re-stimulate a region of the heart after its refractory period has passed?
Which of the following is NOT a part of the Vaughn-Williams Classification for anti-dysrhythmic drugs?
Which of the following is NOT a part of the Vaughn-Williams Classification for anti-dysrhythmic drugs?
What is the main characteristic of Wolf-Parkinson-White Syndrome?
What is the main characteristic of Wolf-Parkinson-White Syndrome?
What is the primary mechanism of action for Class II anti-dysrhythmic drugs?
What is the primary mechanism of action for Class II anti-dysrhythmic drugs?
What is the primary mechanism of action for Class III anti-dysrhythmic drugs?
What is the primary mechanism of action for Class III anti-dysrhythmic drugs?
What is the primary mechanism of action for Class IV anti-dysrhythmic drugs?
What is the primary mechanism of action for Class IV anti-dysrhythmic drugs?
Which of the following is NOT a characteristic of Wolf-Parkinson-White Syndrome?
Which of the following is NOT a characteristic of Wolf-Parkinson-White Syndrome?
Which of the following is NOT a part of the Vaughn-Williams Classification for anti-dysrhythmic drugs?
Which of the following is NOT a part of the Vaughn-Williams Classification for anti-dysrhythmic drugs?
What is the primary mechanism of action for Class Ia anti-dysrhythmic drugs?
What is the primary mechanism of action for Class Ia anti-dysrhythmic drugs?
Which of the following is a possible mechanism of primary hypertension?
Which of the following is a possible mechanism of primary hypertension?
Which of the following is NOT a possible mechanism of primary hypertension?
Which of the following is NOT a possible mechanism of primary hypertension?
Which of the following is a possible mechanism of secondary hypertension?
Which of the following is a possible mechanism of secondary hypertension?
Which of the following is NOT a possible mechanism of secondary hypertension?
Which of the following is NOT a possible mechanism of secondary hypertension?
What are the consequences of hypertension?
What are the consequences of hypertension?
How is hypertension treated?
How is hypertension treated?
Which of the following is a risk factor for systemic arterial hypertension?
Which of the following is a risk factor for systemic arterial hypertension?
What is the definition of systemic arterial hypertension?
What is the definition of systemic arterial hypertension?
What is the primary causal risk factor for cardiovascular disease?
What is the primary causal risk factor for cardiovascular disease?
Which of the following is a possible contributor to systemic hypertension?
Which of the following is a possible contributor to systemic hypertension?
What is the main determinant of blood pressure in the long term?
What is the main determinant of blood pressure in the long term?
What is the primary mechanism of low renin hypertension?
What is the primary mechanism of low renin hypertension?
Which of the following is NOT a possible contributor to systemic hypertension?
Which of the following is NOT a possible contributor to systemic hypertension?
Which of the following is the most potent endogenous vasoconstrictor?
Which of the following is the most potent endogenous vasoconstrictor?
Which of the following is NOT a direct effect of endothelin-1 (ET-1) on the cardiovascular system?
Which of the following is NOT a direct effect of endothelin-1 (ET-1) on the cardiovascular system?
Which of the following is NOT a circulating factor associated with systemic hypertension?
Which of the following is NOT a circulating factor associated with systemic hypertension?
Which of the following is NOT a possible cause of secondary hypertension?
Which of the following is NOT a possible cause of secondary hypertension?
Which of the following is NOT a consequence of systemic hypertension?
Which of the following is NOT a consequence of systemic hypertension?
What is the approximate reduction in blood pressure associated with a 10/5 mmHg reduction in BP according to meta-analyses of large-scale randomized controlled trials (RCTs)?
What is the approximate reduction in blood pressure associated with a 10/5 mmHg reduction in BP according to meta-analyses of large-scale randomized controlled trials (RCTs)?
What is the most correct definition of secondary hypertension?
What is the most correct definition of secondary hypertension?
Which of the following is the primary mechanism of action for Class IV anti-dysrhythmic drugs?
Which of the following is the primary mechanism of action for Class IV anti-dysrhythmic drugs?
What is the definition of systemic arterial hypertension?
What is the definition of systemic arterial hypertension?
Which of the following is NOT a possible mechanism of primary hypertension?
Which of the following is NOT a possible mechanism of primary hypertension?
What is the classification of heart failure based on ejection fraction?
What is the classification of heart failure based on ejection fraction?
Which of the following is a risk factor for systemic arterial hypertension?
Which of the following is a risk factor for systemic arterial hypertension?
Which of the following is NOT a characteristic of Wolf-Parkinson-White Syndrome?
Which of the following is NOT a characteristic of Wolf-Parkinson-White Syndrome?
What is the primary mechanism of low renin hypertension?
What is the primary mechanism of low renin hypertension?
Which of the following is true about the effect of decreased alveolar O2 on local alveolar blood flow?
Which of the following is true about the effect of decreased alveolar O2 on local alveolar blood flow?
What is the main effect of excessive afterload on ventricular ejection?
What is the main effect of excessive afterload on ventricular ejection?
What is the main determinant of blood pressure in the long term?
What is the main determinant of blood pressure in the long term?
Which of the following is true about the electrical conduction pathways in cardiac muscle?
Which of the following is true about the electrical conduction pathways in cardiac muscle?
Which of the following is NOT a focus of this lecture on cardiac action potentials?
Which of the following is NOT a focus of this lecture on cardiac action potentials?
What is the main role of the sympathetic and parasympathetic nerves in the heart?
What is the main role of the sympathetic and parasympathetic nerves in the heart?
How can the spread of electrical activity throughout the heart be measured non-invasively?
How can the spread of electrical activity throughout the heart be measured non-invasively?
Which of the following is true about the shape and features of the ECG?
Which of the following is true about the shape and features of the ECG?
What is the main determinant of cardiac output?
What is the main determinant of cardiac output?
Which of the following is true about the spread of electrical activity in the heart?
Which of the following is true about the spread of electrical activity in the heart?
What is the main function of the ECG?
What is the main function of the ECG?
Which of the following is NOT a physiological property of the heart?
Which of the following is NOT a physiological property of the heart?
What is the main effect of sympathetic innervation of veins on venous return to the heart?
What is the main effect of sympathetic innervation of veins on venous return to the heart?
Which of the following factors affects resistance to blood flow?
Which of the following factors affects resistance to blood flow?
What is the main determinant of arterial pressure?
What is the main determinant of arterial pressure?
What is the Reynolds number used for in fluid flow?
What is the Reynolds number used for in fluid flow?
Which of the following is likely to result in turbulent flow?
Which of the following is likely to result in turbulent flow?
What is the approximate percentage of water in the tissue gel of the interstitium?
What is the approximate percentage of water in the tissue gel of the interstitium?
Which of the following is NOT a possible cause of turbulence in blood flow?
Which of the following is NOT a possible cause of turbulence in blood flow?
What is the main effect of sympathetic innervation of veins on venous return to the heart?
What is the main effect of sympathetic innervation of veins on venous return to the heart?
What is the main component of afterload?
What is the main component of afterload?
What is the main determinant of blood pressure in the long term?
What is the main determinant of blood pressure in the long term?
What is the primary causal risk factor for cardiovascular disease?
What is the primary causal risk factor for cardiovascular disease?
According to LaPlace's Law, the tension (T) in the vessel wall is proportional to the distending pressure (P) and the radius (R) of the vessel. Which of the following equations represents LaPlace's Law correctly?
According to LaPlace's Law, the tension (T) in the vessel wall is proportional to the distending pressure (P) and the radius (R) of the vessel. Which of the following equations represents LaPlace's Law correctly?
Which of the following is NOT a practical consequence of LaPlace's Law?
Which of the following is NOT a practical consequence of LaPlace's Law?
Which of the following is NOT a site of tissue blood flow regulation?
Which of the following is NOT a site of tissue blood flow regulation?
Which of the following is NOT a mechanism for regulating tissue blood flow?
Which of the following is NOT a mechanism for regulating tissue blood flow?
Which of the following is NOT a characteristic of active hyperemia?
Which of the following is NOT a characteristic of active hyperemia?
Which of the following is NOT a characteristic of reactive hyperemia?
Which of the following is NOT a characteristic of reactive hyperemia?
Which of the following is NOT a short-term mechanism for regulating local blood flow?
Which of the following is NOT a short-term mechanism for regulating local blood flow?
Which of the following is NOT a long-term mechanism for regulating local blood flow?
Which of the following is NOT a long-term mechanism for regulating local blood flow?
Which of the following is NOT a characteristic of capillary flow and pressure?
Which of the following is NOT a characteristic of capillary flow and pressure?
Which of the following is NOT true about the regulation of arteriolar radius?
Which of the following is NOT true about the regulation of arteriolar radius?