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BIOS 255 Exam 2 Questions and Answers | Latest Update $12.49   Add to cart

Exam (elaborations)

BIOS 255 Exam 2 Questions and Answers | Latest Update

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  • BIOS 255
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  • BIOS 255

Valves ensure______ One-way flow of blood through the heart Right AV valve has____ three cusps (TRIcuspid valve) Left AV valve has____ two cusps (BIcuspid) Left AV valve also called biscupid valve or mitral valve Right AV valve also called Tricuspid valve Cardiac Output (CO) 2 0 2 4...

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  • September 26, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOS 255
  • BIOS 255
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2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!

BIOS 255 Exam 2 Questions and Answers
| Latest Update
Valves ensure______


✓ One-way flow of blood through the heart




Right AV valve has____


✓ three cusps (TRIcuspid valve)




Left AV valve has____


✓ two cusps (BIcuspid)




Left AV valve also called


✓ biscupid valve or mitral valve




Right AV valve also called


✓ Tricuspid valve




Cardiac Output (CO)




1 | P a g e | G r a d e A + | 2 0 0 2 5

,2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!
✓ The amount of blood ejected by each ventricle in 1 minute




Exercise makes the heart____


✓ work harder which increases cardiac output




At the beginning of exercise______in the muscles & joints send signals to the cardiac

centers


✓ proprioceptors




Sympathetic output from the cardiac centers then _____ cardiac output


✓ increases




As exercise progresses, muscular activity ______ venous return


✓ increases




The preload increases on the right ventricle and then the left ventricle as more blood flows

through the _______


✓ Pulmonary circuit and reaches the left heart




1 | P a g e | G r a d e A + | 2 0 0 2 5

, 2024/ 2025 | © copyright | This work may not be copied for profit gain Excel!
Sustained exercise causes


✓ hypertrophy




Blood vessels further from the heart


✓ lowest BP




Blood vessels closest to heart


✓ highest BP




Tunica Interna (Tunica)


✓ Innermost; consists of a layer of simple squamous epithelium called

endothelium.

Bound to a supendothelial layer of areolar connective tissue




Tunica Media


✓ Middle; consists primarily of smooth muscle with a framework of elastic

connective tissue and contains collagen.

Thickest layer




1 | P a g e | G r a d e A + | 2 0 0 2 5

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