7) which of the following has the thickest wall? A) left ventricle B) right ventricle C) left atrium D) right atrium 10) which blood vessels does blood enter during ventricle systole? A) pulmonary trunk and the pulmonary vein B) the pulmonary trunk and the aorta C) aorta and pulmonary veins D) aorta and vena cava
7) which of the following has the thickest wall? A) left ventricle B) right ventricle C) left atrium D) right atrium 10) which blood vessels does blood enter during ventricle systole? A) pulmonary trunk and the pulmonary vein B) the pulmonary trunk and the aorta C) aorta and pulmonary veins D) aorta and vena cava
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
7) which of the following has the thickest wall?
A) left ventricle
B) right ventricle
C) left atrium
D) right atrium
10) which blood vessels does blood enter during ventricle systole?
A) pulmonary trunk and the pulmonary vein
B) the pulmonary trunk and the aorta
C) aorta and pulmonary veins
D) aorta and vena cava
25- which heart chamber first receives blood directly from the superior and inferior vena cava?
Left ventricle
Right ventricle
Left atrium
Right atrium
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Question 28
The main effect of the parasympathetic nervous system on the heart is to:
Answers:
increase contractility
decrease stroke volume
decrease heart rate
increase cardiac output
Question 29
Failure of the left ventricle would cause:
Answers:
an increase in blood hydrostatic pressure in systemic capillaries
an increase in blood hydrostatic pressure in capillaries of the lungs
an increase in blood osmotic pressure in systemic capillaries
an increase in blood osmotic pressure in capillaries of the lungs
Question 30
Venous return refers to the amount of blood being returned to the heart through veins.
Transcribed Image Text:on 49
Atrioventricular valves will open when:
Answers:
pressure in the ventricle is higher than pressure in the atria
pressure in the ventricle is lower than pressure in the atria
pressure in the ventricle is higher than pressure in the aorta
pressure in the ventricle is lower than pressure in the aorta
estion 50
When pressure is higher in the ventricle than in the atria
Answers:
atrioventricular valves will open to allow blood to move from the vena cava into the atria
atrioventricular valves will open to allow blood to move from the atria into the ventricle
atrioventricular valves will close to stop blood going into the atria from the vena cava
atrioventricular valves will close to stop blood going into the atria from the ventricle
day, February 19, 2021 1:52:11 PM EST
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