ScienceBiologyANP102 Exam #2
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ANP102 Exam #2

Gisele Davis avatar Gisele Davis
25 July 2022
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18 test answers

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question
What is the correct sequence of parts through which blood moves in passing from the vena cava to the lungs?
answer
right atrium, tricuspid valve, right ventricle, pulmonary valve.
question
When the ventricular walls contract.....
answer
the bicuspid and tricuspid valve closes
question
What is the correct sequence of part that function to carry cardiac impulses?
answer
S-A node, A-V node, A-V bundle, and Purkinje fibers.
question
In an ECG pattern the P wave is caused by....
answer
depolarization of atrial muscle fibers
question
arterial systolic pressure is most closely associated with ...
answer
ventricular contraction
question
Impulses carried to the heart from the cardio accelerator center are.....
answer
sympathetic impulses and cause the heart rate to increase.
question
In an ECG pattern, the T wave is caused by....
answer
repolarization of ventricular muscle fibers.
question
The blood pressure in the systemic arteries is lowest during
answer
ventricular diastole
question
The left atrium receives blood directly from...
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the pulmonary veins only
question
What is cardiac output?
answer
stroke volume times heart rate
question
What is the least important in returning blood to the heart?
answer
the pushing of blood by the arterial system
question
Which vessel supplies blood to the small intestine?
answer
superior mesenteric vein
question
venous blood leaving the small intestine first passes through.....
answer
hepatic portal vein...liver...inferior vena cava....heart
question
The blood is supplied to the myocardium by means of the coronary arteries
answer
T
question
P. wave P-R interval S-T interval Silent Period QRS complex
answer
Atria depolarize contraction of atria contraction of ventricles ventricles relax ventricles depolarize
question
Impulses carried to the heart by means of the vagus nerve are
answer
parasympathetic impulses and cause the heart rate to decrease.
question
What is the loose-fitting sac around the heart?
answer
parietal pericardium
question
What is damaged when there is a heart block?
answer
AV node