Exam 32: Structure and Function of the Cardiovascular and Lymphatic Systems

What period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated?

Oxygenated blood flows through which vessel?

A student asks the healthcare professional to explain the function of the papillary muscles. What response by the professional is best?

Where in the heart are the receptors for neurotransmitters located?

Which statement made by a student indicates the healthcare professional needs to describe the pericardium again?

A healthcare professional cares for older adults in a skilled nursing facility. What should the professional assess for in these individuals related to cardiovascular functioning?

What is the most important negative inotropic agent?

Which statements are true concerning the method in which substances pass between capillaries and the interstitial fluid? (Select all that apply.)

A healthcare professional is caring for a patient who has a delay in electrical activity reaching the ventricle as seen on ECG. What ECG finding would the healthcare professional associate with this problem?

What is an expected change in the cardiovascular system that occurs with aging?

What can shorten the conduction time of action potential through the atrioventricular (AV) node?

What enables electrical impulses to travel in a continuous cell-to-cell fashion in myocardial cells?

Which cardiac chambers have the thinnest wall and why?

The coronary sinus empties into which cardiac structure?

An early diastole peak caused by filling of the atrium from peripheral veins is identified by which intracardiac pressure?

A patient had a myocardial infarction that damaged the SA node, which is no longer functioning as the pacemaker of the heart. What heart rate would the healthcare provider expect the patient to have?

What is the effect of epinephrine on b₃ receptors on the heart?

Pressure in the left ventricle must exceed pressure in which structure before the left ventricle can eject blood?

A patient had a motor vehicle crash and suffered critical injuries to the brainstem. What physiological responses would the healthcare professional expect to see?