Quiz 9 Flashcards
The right atrium and right ventricle are responsible for:
circulation to and from the lungs
The left atrium and left ventricle are responsible for:
circulation to the body
The fibrous sac surrounding the heart is the:
pericardium
The middle layer of cardiac tissue is the:
myocardium
The cavity in which the heart is located is the:
mediastinum
Vessels that branch off of the Aorta immediately after the Aortic valve that supply oxygenated blood to the heart muscle are the:
Coronary arteries
The area of the heart that initiates / controls electrical impulses that trigger a heart beat is the:
SA node
The active / contraction phase of the cardiac cycle is called:
systole
Cardiac muscle contraction and relaxation rely heavily on the movement of ions. The ion NOT involved in cardiac muscle function is:
iron
A “wooshing” sound heart when ausculting the heart is:
a murmur
The volume of blood ejected from the left ventricle over a unit of time is called:
cardiac output
Cardiac stimulation by the sympathetic nervous system results in:
increased heart rate and blood pressure
The only artery in the body that carries deoxygenated blood is the:
Pulmonary artery
The exchange of nutrients and waste products between the blood and body tissue occurs in:
capillaries
Select all things that greatly impact the circulation of blood in the venous system
diurnal cycle
Correct Answer
valves
Correct Answer
muscle action
In fetal circulation, the hole between the atria that allows blood to bypass the pulmonary circulation is the:
Foramen ovale
In dogs and cats, pulses are frequently palpated using the:
In dogs and cats, pulses are frequently palpated using the:
Systolic blood pressure relates to:
contraction of the left ventricle
An ECG records:
only electrical activity of the heart
Select all true statements regarding the superficial caudal epigastric vein in cattle.
-frequently develops severe hematoma if used for venipuncture
-is small and difficult to visualize
-is large and easily visualized
