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Pathophysiology Practice Test: Structure and Function of the Cardiovascular and Lymphatic Systems
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Avg score: 100% Most missed: “What structure conducts action potentials down the atrioventricular septum?”
The cardiovascular and lymphatic systems are networks of vessels that transport nutrients and waste throughout the body. The cardiovascular system is closed, while the lymphatic system is open. The cardiovascular system delivers oxygen and nutrients to cells through capillaries, while the lymphatic system collects lymph and returns it to the blood.  The cardiovascular system consists of the heart, veins, arteries, and capillaries. The heart has two pumps in series: the right heart, which pumps blood through the lungs, and the left heart, which pumps blood through the rest of the body. The... Show more
Pathophysiology Practice Test: Structure and Function of the Cardiovascular and Lymphatic Systems
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25 Questions

1. A 28-year-old with seizure disorder has a vagus nerve stimulator implanted to help control seizure activity. Which result will the nurse expect to occur?
2. The process by which an action potential in the plasma membrane of a myocardial cell triggers the events that directly cause contraction of the myocardial cells is referred to as:
3. A nurse assesses the heart after acetylcholine because the effect of acetylcholine on the heart is to:
4. A nurse observes a cardiologist multiplying the heart rate by stroke volume. What is the cardiologist measuring?
5. Which statement indicates the nurse understands coronary ostia? The coronary ostia (the openings to the coronary arteries) are found in the:
6. Muscle contractions occur when there is a decreased:
7. What structure conducts action potentials down the atrioventricular septum?
8. A nurse is discussing the pressure generated at the end of diastole. Which term is the nurse describing?
9. Within a normal physiologic range, an increase in left ventricular end-diastolic volume would lead the nurse to monitor for:
10. What are the thickened areas of the sarcolemma of myocardial cells that enable electrical impulses to travel in a continuous cell-to-cell fashion called?
11. A 20-year-old underwent an echocardiogram to assess chest pain. Results revealed a congenital defect in the papillary muscles. Which of the following would the nurse expect to occur?
12. As stated by the Frank-Starling law, there is a direct relationship between the _____ of the blood in the heart at the end of diastole and the _____ of contraction during the next systole.
13. The pericardium is:
14. After activation of the Bainbridge reflex in a patient, the nurse assesses for:
15. The primary cardiovascular control center is located in the:
16. One difference between cardiac muscle and skeletal muscle is that:
17. What is the nurse monitoring when observing the QRS complex on the electrocardiogram?
18. Baroreceptors are located in the:
19. Which chamber of the heart generates the highest pressure?
20. A 50-year-old received trauma to the chest that caused severe impairment of the primary pacemaker cells of the heart. Which of the following areas received the greatest damage?
21. The internal lining of the cardiovascular system is formed by what tissue?
22. As a result of blockage in the pulmonary artery, blood would first back up into the:
23. Blood flow is affected by: (select all that apply)
24. The cardiac electrical impulse normally begins spontaneously in the sinoatrial (SA) node because it:
25. Which structures act as anchors for the atrioventricular valves?