HKIN 191 Final Exam Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Course
HKIN 191
Institution
HKIN 191
Three major functions of ventilatory system
-:- 1.Supply O2 required in metabolism
2.Eliminate CO2 produced in metabolism
3.Regulate hydrogen ion concentration [H+] to maintain
acid-base balance
conducting zone
-:- -Conducts air to respiratory zone
-Humidifies, warms, and filters air
Res...
✓ -:- Hemoglobin molecule consists of globin composed of four subunit polypeptide
chains. Each polypeptide contains single heme group with its single iron atom acting
as an oxygen "magnet"
Myoglobin
✓ -:- Shuttles O2 from the cell membrane to the mitochondria
Sympathetic nerve fibers
✓ -:- mediate excitation.
Parasympathetic activation
✓ -:- inhibits excitation.
Motor unit
✓ -:- a motor nerve and any muscle fibers it innervates.
Slow oxidative fibers
2|Page | Grade A+| 2024/2025
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