Exam 23: Structure and Function of the Cardiovascular and Lymphatic Systems

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?

The internal lining of the cardiovascular system is formed by what tissue?

A nurse is evaluating stroke volume.Which of the following factors affect stroke volume? (select all that apply)

A function of the pericardium is to:

Blood flow is affected by: (select all that apply)

A nurse assesses the heart after acetylcholine because the effect of acetylcholine on the heart is to:

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:

The pericardium is:

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?

Which statement indicates the nurse understands coronary ostia? The coronary ostia (the openings to the coronary arteries)are found in the:

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.

One difference between cardiac muscle and skeletal muscle is that:

Within a normal physiologic range, an increase in left ventricular end-diastolic volume would lead the nurse to monitor for:

The thoracic lymphatic duct drains into the:

The PR interval viewed on a normal electrocardiogram represents:

A 13-year-old took a weight loss drug that activated the sympathetic nervous system.Which of the following assessment findings would the nurse expect?

The cardiac electrical impulse normally begins spontaneously in the sinoatrial (SA)node because it: