HAPS EXAM FINAL (A & P I) QUESTIONS WITH 100% VERIFIED ANSWERS 2025 A+ What is heart block? - ANS-Impaired transmission of impulses from atrium to ventricle resulting in slower heart rhythms, and pacemaker would be implanted The bones of the skull, veretbral column, and rib cage are part of the _______ - ANS-Axial skeleton Name 2 of the 4 factors affecting the velocity of action potential conduction. - ANS-Axonal diameter, myelination, chemical factors (alcohol and anesthetics), physical factors (pressure and temperature) What two factors directly affect cardiac output? (a) stroke volume and resistance (b) stroke volume and heart rate (c) heart rate and mean arterial pressure (d) heart rate and total peripheral resistance - ANS-b- stroke volume and heart rate In what phase of the mitosis is this cell? - ANS-Metaphase What division of the nervous system regulates skeletal muscles? - ANS-Somatic nervous system A ____ consists of one motor neuron and all the muscle fibers it innervates - ANS-motor unit Continues..
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