Chapter 21: Assessment of Cardiac Function 1.

Chapter 21: Assessment of Cardiac Function 1. Turbulent blood flow caused by a narrowed or malfunctioning valve is called a __________, which can be heard during auscultation of the heart. 2. The apical impulse, formerly called the__________________________ (_____), is normally palpable at the intersection of the ____________________ of the_______________and at the ___________________space. 3. During_________________systole, contraction of the_______________________causes the ____________________ to become taut, keeping the _______________ approximated and closed. 4. An elevated blood level of the amino acid homocysteine is believed to indicate a high risk for coronary artery disease. True False 5. During diastole, the tricuspid, and mitral valves are __________, allowing ______________ to flow freely into ___________________. True False 6. The S1 heart sound results from ___________ of the _________ and ______________. 7. __________________ changes are recommended to lower cholesterol levels. 8. Orthostatic, also known as _______________ hypotension, is a sustained decrease of at least ____ mm Hg in ________ BP or ______ mm Hg in __________ BP within ___ minutes of moving from a ______ or ________ to a ___________ position. 9. The sinoatrial (SA) node, with an inherent firing rate of ____ to ____ impulses/min, is considered the __________________ of the heart. 10. The patient undergoing nuclear imaging techniques with stress testing should be instructed not to eat or drink anything for at least ______ hours before the test.

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