During light exercise, the increase in cardiac output is mostly due to A . vasod
ID: 3480654 • Letter: D
Question
During light exercise, the increase in cardiac output is mostly due to
A. vasodilation B. EPO release C. heart rate increases D. capillary flow increases E. increased venous return
The endocardium of the heart is composed of
A. simple squamous epithelial and areolar tissue B. simple suamous epithelial and elastic tissue C. stratified cuboidal epithelial and elastic tissue. D. stratified squamous epithelial and areolar tissue E. stratified squamous epithelial and elastic tissue.
Pressure gradient adjustments can be generated by changing
A. stroke volume only B. heart rate only C. cardiac output and/or peripheral resistance D. peripheral resistance only E. cardiac output only
Explanation / Answer
please find the answers
1.During light exercise, the increase in cardiac output is mostly due to
A vasodilation B. EPO release C. heart rate increases D. capillary flow increases E. increased venous return
Answer is c
Because during intense exercise above all factor is increase but in light exercise heart rate increase only.
2.The endocardium of the heart is composed of
A. simple squamous epithelial and areolar tissue B. simple suamous epithelial and elastic tissue C. stratified cuboidal epithelial and elastic tissue. D. stratified squamous epithelial and areolar tissue E. stratified squamous epithelial and elastic tissue.
Answer is a
Epicardium Myocardium Endocardium all three layer of heart is made up of a tissue layer that lines the inside of the heart is a simple squamous epithelium overlying a thin layer of areolar tissue
3.Pressure gradient adjustments can be generated by changing
A. stroke volume only B. heart rate only C. cardiac output and/or peripheral resistance D. peripheral resistance only E. cardiac output only
Answer is c
There is relationship between blood flow, vascular resistance and blood pressure minute, the velocity of blood flow is inversely proportional to vascular cross-sectional area. and cardiac output and of peripheral vascular resistance exerted primarily at the of the vessel, also sometimes called "pressure gradient" along the vessel
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