Podcast
Questions and Answers
Which of the following statements about the composition of faeces is true?
Which of the following statements about the composition of faeces is true?
- The white colour of the faces is caused by the presence of urobilin in the faeces
- 30 per cent of the solid matter is represented by dead bacteria (correct)
- 10 to 20 per cent of the solid matter is represented by fat
- The odour of faeces is caused by derivatives of bilirubin
Which statement accurately represents the role of aldosterone?
Which statement accurately represents the role of aldosterone?
- The mucosa of the large intestine absorbs chloride ions in an exchange transport process
- More than 10 mEq of sodium ions are lost in the faeces
- Aldosterone enhances sodium transport capability (correct)
- The storage colon is represented by the distal half of the colon
Which event of the cardiac cycle correlates with rapid inflow?
Which event of the cardiac cycle correlates with rapid inflow?
- Ejection
- Diastasis (correct)
- Isovolumic relaxation
- Isovolumic contraction
What causes the odour of faeces?
What causes the odour of faeces?
Which statement is true about the absorption of chloride ions in the large intestine?
Which statement is true about the absorption of chloride ions in the large intestine?
What does the white colour of faeces indicate?
What does the white colour of faeces indicate?
Which of the following statements about heart muscle energy metabolism is correct?
Which of the following statements about heart muscle energy metabolism is correct?
Which statement accurately describes the effect of temperature on the heart's contractile strength?
Which statement accurately describes the effect of temperature on the heart's contractile strength?
Which statement accurately describes the role of calcium ions in cardiac muscle contraction?
Which statement accurately describes the role of calcium ions in cardiac muscle contraction?
Which statement accurately describes the effects of sympathetic stimulation on the heart and vessels?
Which statement accurately describes the effects of sympathetic stimulation on the heart and vessels?
Which statement accurately describes events of the cardiac cycle for left ventricular function?
Which statement accurately describes events of the cardiac cycle for left ventricular function?
Which of the following correctly represents the events of the cardiac cycle for left ventricular function?
Which of the following correctly represents the events of the cardiac cycle for left ventricular function?
Which curve on the volume-pressure diagram represents ventricular pressure?
Which curve on the volume-pressure diagram represents ventricular pressure?
Which statement about the heart's composition and function is correct?
Which statement about the heart's composition and function is correct?
What occurs during phase 0 (depolarization) of the cardiac muscle action potential?
What occurs during phase 0 (depolarization) of the cardiac muscle action potential?
Which event occurs during Period H on the volume-pressure diagram?
Which event occurs during Period H on the volume-pressure diagram?
What represents the end diastolic volume on the volume-pressure diagram?
What represents the end diastolic volume on the volume-pressure diagram?
Which statement correctly describes the ejection fraction?
Which statement correctly describes the ejection fraction?
What happens to the pressure in the aorta after opening the aortic valve?
What happens to the pressure in the aorta after opening the aortic valve?
When does the pressure in the left ventricle increase slightly?
When does the pressure in the left ventricle increase slightly?
When does the aortic valve close?
When does the aortic valve close?
What happens to the aortic pressure at the end of systole?
What happens to the aortic pressure at the end of systole?
Which statement is correct regarding the strength of contraction of cardiac muscle?
Which statement is correct regarding the strength of contraction of cardiac muscle?
Which statement is correct about the pressure curve in the atria?
Which statement is correct about the pressure curve in the atria?
Which statement accurately describes the ejection of blood from the ventricles?
Which statement accurately describes the ejection of blood from the ventricles?
Which statement accurately describes the function of A-V valves and semilunar valves?
Which statement accurately describes the function of A-V valves and semilunar valves?
Which statement accurately describes the electrocardiogram (ECG) waves?
Which statement accurately describes the electrocardiogram (ECG) waves?
Which statement correctly describes the phases of cardiac muscle action potential?
Which statement correctly describes the phases of cardiac muscle action potential?
During which phase does the intraventricular pressure rapidly increase?
During which phase does the intraventricular pressure rapidly increase?
Which structure brings depolarization from the S-A node?
Which structure brings depolarization from the S-A node?
What is the interval of time needed to pass from S-A node to atrial contractile myocardium?
What is the interval of time needed to pass from S-A node to atrial contractile myocardium?
What is the intrinsic discharge rate of the A-V nodal fibers?
What is the intrinsic discharge rate of the A-V nodal fibers?
Where are the rhythmical impulses of the heart normally generated?
Where are the rhythmical impulses of the heart normally generated?
What causes the self-excitation of sinus nodal fibers?
What causes the self-excitation of sinus nodal fibers?
What is the effect of hyperpolarization on sinus nodal cells?
What is the effect of hyperpolarization on sinus nodal cells?
What could continue throughout a person’s life in sinus nodal fibers?
What could continue throughout a person’s life in sinus nodal fibers?
Where are Purkinje fibers located in relation to the heart?
Where are Purkinje fibers located in relation to the heart?
What happens if the conductive system of the heart stops?
What happens if the conductive system of the heart stops?
