The layer of the heart wall synonymous with the visceral layer of the serous pericardium is:
A) myocardium
B) endocardium
C) epicardium
D) parietal layer of the serous pericardium
E) either endocardium or epicardium
Answer: C
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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:
- Which one of the following is the main function of renin and aldosterone:
- 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: