Questions On Kevins Quizes Flashcards
All structures that make up the mediastinum
Heart
Vagus nerve
Greater vessels
Esophagus
Trachea
True or False: The inner most layer of the pericardium is the parietal layer, also referred to as the epicardium.
False
True or False: The order of the heart valves is tricuspid, pulmonic, mitral/bicuspid, aortic.
True
True or False: Cells at rest are in a polarized state.
True
True or False: Phase 1 of the action potential is cardiac depolarization.
False
True or False: The autonomic nervous system divides into alpha receptors and beta receptors.
False
True or False: The primary neurotransmitter of the sympathetic nervous system is epinephrine
False
True or False: The primary neurotransmitter of the sympathetic nervous system is acetylcholine.
False
True or False: The primary neurotransmitter of the parasympathetic nervous system is acetylcholine.
True
True or False: In phase 4 of the action potential, there is more potassium on the inside of the cells.
True
True or False: The vulnerable period is also known as the relative refractory period.
True
True or False: The are four different phases to the action potential.
False
True or False: The Bundle of His is responsible for the delay and relay of the electrical impulse
False
List the blood vessels that return blood to the right atria.
Superior vena cava
inferior vena cava
Coronary sinus
List the layers of a blood vessel.
Tunica intama
Tunica media
tunica adventious
