BIO 245 EXAM 2 (QUIZZES)
The serous membrane that covers the heart is called.... - ANS-Visceral Pericardium
Blood leaving the right ventricle passes through the _____________ valve on its way to
the _____________ - ANS-Semilunar; lungs
This structure is referred to as the "pacemaker" of the heart - ANS-SA node
These structures contain gap junctions that allow the rapid flow of action potentials b/w
connecting cardiac muscle fibers - ANS-Intercalated discs
This part of the ECG measures repolarization - ANS-T wave
All blood cells are derived from a multipotent hematopoietic stem cell (T/F) - ANS-False
The blood cells most involved with the clotting mechanism are called __________ -
ANS-platelets
_____________ is the protein found in red blood cells for gas exchange -
ANS-Hemoglobin
The most numerous white blood cell, and one of the first cells to the site of infection is
the ___________ - ANS-Neutrophil
Which cell is a lymphocyte? - ANS-B cell
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