Which one of the following is the main function of renin and aldosterone:
A) they are produced whenever blood pressure rises and ultimately cause an increase in blood volume and blood pressure
B) they are produced whenever blood pressure rises and ultimately cause a decrease in blood volume and blood pressure
C) they are produced when blood pressure rises and have no long-term effect on blood volume and blood pressure
D) they are produced whenever blood pressure falls and ultimately cause an increase in blood volume and blood pressure
E) they are produced whenever blood pressure falls and ultimately cause a decrease in blood volume and blood pressure
Answer: D
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Biology Chapter 11
- Varicose veins are caused by:
- Substances tend to leave the bloodstream at the arterial end of the capillary because:
- Which one of the following are the main functions of renin and angiotensin II:
- Generalized vasoconstriction occurs as a result of:
- The friction blood encounters as it flows through the vessels is called:
- In which one of the following blood vessels is blood pressure the highest:
- Which one of the following areas is NOT a pressure point:
- Which one of the following blood vessels in the fetus has the highest concentration of oxygen:
- The umbilical vein carries:
- The brachial vein:
- The external iliac vein receives blood from all of the following EXCEPT:
- The right and left renal veins empty blood from the:
- Blood travels to the stomach by way of the branch of the celiac trunk called the:
- The carotid artery is located in the:
- Which of these pathways correctly traces blood as it travels from the aortic arch to the left arm:
- Which of these arteries is NOT a branch of the abdominal aorta:
- Which one of the following does NOT receive blood directly from the aortic arch:
- Which of the following blood vessels is a direct branch of the ascending aorta:
- Which one is the correct sequence going from the outermost to the innermost layer of a blood vessel wall:
- Which one of the following is caused by a decrease in venous return to the heart:
- Veins:
- Which of the following reduces heart rate:
- An increase in parasympathetic activity (primarily by the vagus nerves) causes:
- The path of blood flow within the systemic vascular system is: