Podcast
Questions and Answers
Which type of receptors monitor blood pressure and are located in the walls of the internal carotid artery?
Which type of receptors monitor blood pressure and are located in the walls of the internal carotid artery?
- Mechanoreceptors
- Chemoreceptors
- Baroreceptors (correct)
- Thermoreceptors
What is the main function of vasomotion in blood pressure regulation?
What is the main function of vasomotion in blood pressure regulation?
- To adjust blood viscosity
- To redirect blood to modify perfusion and increase blood pressure in certain situations (correct)
- To regulate cardiac output
- To reduce blood pressure during exercise
Which type of blood vessels carry blood away from the heart?
Which type of blood vessels carry blood away from the heart?
- Arteries (correct)
- Capillaries
- Venules
- Veins
What is the primary function of the respiratory pump in the circulatory system?
What is the primary function of the respiratory pump in the circulatory system?
Which of the following hormones reduces blood pressure by increasing sodium excretion?
Which of the following hormones reduces blood pressure by increasing sodium excretion?
Which nerve transmits information from the carotid bodies to the brainstem respiratory center?
Which nerve transmits information from the carotid bodies to the brainstem respiratory center?
What is the function of the tunica interna in blood vessels?
What is the function of the tunica interna in blood vessels?
What is the term for the difference between systolic and diastolic pressure?
What is the term for the difference between systolic and diastolic pressure?
What is the main function of the arterioles in the circulatory system?
What is the main function of the arterioles in the circulatory system?
What is the term for the condition where blood pools in the veins of the lower legs, causing the vein to stretch and the valves to become incompetent?
What is the term for the condition where blood pools in the veins of the lower legs, causing the vein to stretch and the valves to become incompetent?
What is the term for the network of small blood vessels that supply nutrients to the walls of the large blood vessels?
What is the term for the network of small blood vessels that supply nutrients to the walls of the large blood vessels?
Which of the following can cause hypotension?
Which of the following can cause hypotension?
What percentage of the body's blood is typically found in the veins at rest?
What percentage of the body's blood is typically found in the veins at rest?
What type of arteries have sensory structures in their walls that monitor blood pressure and composition?
What type of arteries have sensory structures in their walls that monitor blood pressure and composition?
What is the term for the force of blood against a vessel wall?
What is the term for the force of blood against a vessel wall?
What is the main chemical stimulus that triggers vasodilation or vasoconstriction in cerebral arteries?
What is the main chemical stimulus that triggers vasodilation or vasoconstriction in cerebral arteries?
What is the result of ischemia in a part of the body?
What is the result of ischemia in a part of the body?
What is the term for the type of shock that occurs when the body's compensatory mechanisms fail and positive feedback loops occur?
What is the term for the type of shock that occurs when the body's compensatory mechanisms fail and positive feedback loops occur?
What is the term for the sudden death of brain tissue caused by ischemia?
What is the term for the sudden death of brain tissue caused by ischemia?
What is the response of the body when a person faints and falls into a horizontal position?
What is the response of the body when a person faints and falls into a horizontal position?
What is the average pressure in the central venous pressure where the vena cava enters the heart?
What is the average pressure in the central venous pressure where the vena cava enters the heart?
What is the main reason for blood flow from the head and neck towards the heart?
What is the main reason for blood flow from the head and neck towards the heart?
What is the term for a state where cardiac output is not enough to meet the body's needs?
What is the term for a state where cardiac output is not enough to meet the body's needs?
What is the most common cause of low venous return?
What is the most common cause of low venous return?
What is the term for the loss of vasomotor tone?
What is the term for the loss of vasomotor tone?
