WCU -Phys 261 Final exam 2023 with 100% correct answers
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Course
WCU
Institution
WCU
Physiology - correct answer -Normal functioning of a living organism and its components (parts; including chemical and physical)
Homeostasis - correct answer -Maintaining a stable internal environment
Placebo - correct answer -A drug treatment that is expected to have no pharmaceutical effect...
WCU -Phys 261 Final
Physiology - correct answer -Normal functioning of a living organism and its components (parts; including chemical and physical)
Homeostasis - correct answer -Maintaining a stable internal environment
Placebo - correct answer -A drug treatment that is expected to have no pharmaceutical effect on humans/animals
Cations - correct answer -positively charged ions
Isotopes - correct answer -two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. differ in relative atomic mass but not in chemical properties.
Active cellular transport - correct answer -is the movement of molecules across a membrane from a region of their lower concentration to a region of their higher concentration—against the concentration gradient. Requires cellular energy.
Absolute Refractory period - correct answer -during which a second action potential cannot be triggered no matter how large the stimulus
Isotonic muscle contraction - correct answer -Creates force and moves the load EX) lifting weights
isometric muscle contraction - correct answer -creates force without moving a load Ex) wall planks
Intercalated disc - correct answer -Located in the heart, allows communication between the different heart cells for uniformed contraction. Gap junction of the heart
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