Counterclockwise - correct answer ✔Early Transition Rotates Which
Direction
Clockwise - correct answer ✔Late Transition Rotates Which Direction
Transmit impulses form the right atrium to the left atrium - correct answer
✔Bachmann's Bundle
Drains venous blood from the thoracic wall to the superior vena cava - correct
answer ✔Azygous Veins
Embryological cavity where the heart migrates into during development -
correct answer ✔Celomic Cavity
Adheres one cell to another cell - correct answer ✔Desmosomes
Regeneration of nerve fibers - correct answer ✔Nerve reinnervation
smallest arteries - correct answer ✔Arterioles
External boundary that separates the left and right ventricles - correct answer
✔Intraventricular Sulcus
Joins one cardiac muscle cell to another cardiac muscle cell and is required
for synchronized cardiac contraction - correct answer ✔Intercalated Disc
,Increase in Contractility - correct answer ✔Positive Inotropic Effect
Volume of blood flow through any tissue at any given period of time - correct
answer ✔Local blood flow
Electrical activities in the ell causing muscle contraction - correct answer
✔Depolarization
Active contractile phase of the cardiac cycle - correct answer ✔Systole
Recessed part of the semilunar valves - correct answer ✔Sinus of Valsalva
A Groove exterior to the crista terminalis - correct answer ✔sulcus terminalis
Separates the os of the coronary sinus and the inferior vena cava - correct
answer ✔Eustachian Ridge
The parietal pericardium surrounding the superior vena cava, inferior vena
cava, and pulmonary veins - correct answer ✔Fibrous Pericardium, Venous
Medsocaridum, Vestigial fold of Marshall
Merging of the internal jugular vein and subclavian vein forms the - correct
answer ✔Brachiocephalic Vein
Nerves that provide motor innervation to the diaphragm - correct answer
✔Phrenic Nerve
Troponin that cause inhibition of muscle contraction - correct answer ✔TnI
,Accounts for the pattern of referred heart pain to the upper thorax, shoulder,
and arm during heart attack is known as - correct answer ✔Pain afferent,
Pain threshold, Pain reflex
Percentage of the population in which the right coronary artery supplies the
SA node - correct answer ✔60%
Percentage of population in which the left coronary artery supplies the AV
node - correct answer ✔10-15%
An imaginary grouping of the nerve bundles travelling to and from the heart -
correct answer ✔Cardiac Plexus
More sympathetic nerves innervate the: - correct answer ✔Ventricles
Where do parasympathetic nerve originate from: - correct answer ✔Medulla
Oblongata
Slowing down conduction velocity is referred to as: - correct answer
✔Negative dromotropic effect
Heart sounds are produced by: - correct answer ✔Closure of the heart
valves
Aortic stenosis is heard best at the: - correct answer ✔2nd ICS on the right
side of the sternum
, Cardiac transplantation can cause: - correct answer ✔Post-Ganglionic
denervation
The lowest pressure in the aorta before blood is ejected from the ventricle is
the: - correct answer ✔Diastolic blood pressure
The maximal aortic pressure following ejection is the: - correct answer
✔Systolic blood pressure
The difference between systolic and diastolic blood pressure is: - correct
answer ✔Aortic Pulse Pressure
Sound heard during blood pressure measurement is known as: - correct
answer ✔Korotkoff Sound
What is the presynaptic neurotransmitter of both the sympathetic and
parasympathetic nerve - correct answer ✔Acetylcholine
correct order of conduction pathway impulses - correct answer ✔Left atrium
via the Bachmann's Bundle - AV Node via Wenckebach and Thorel's Bundle
of His - Right Bundle Branch and Left Bundle Branch - Purkinje
What does the Triangle of Koch Landmark - correct answer ✔AV Node
What are the muscles that assist respiration during sleep? - correct answer
✔Scalene Muscles
The aponeurotic part of the diaphragm is the: - correct answer ✔Central
Tendon