Applied Pathophysiology Textbook FNP. Exam Questions With 100% Verified Answers
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Course
Pathophysiology
Institution
Pathophysiology
Applied Pathophysiology Textbook FNP.
Exam Questions With 100% Verified
Answers
What are the three types of fiber? - answerCollagen, elastic, and reticular.
Muscle tissue is made of what? - answerfibers, termed myocytes, that consists of the contractile
proteins actin and myosin
At a neuromus...
Applied Pathophysiology Textbook FNP.
Exam Questions With 100% Verified
Answers
What are the three types of fiber? - answer✔Collagen, elastic, and reticular.
Muscle tissue is made of what? - answer✔fibers, termed myocytes, that consists of the contractile
proteins actin and myosin
At a neuromuscular junction, what neurotransmitter stimulates the muscle fibers? - answer✔The
neurotransmitter acetylcholine stimulates the muscle fiber.
When neurotransmitter acetylcholine stimulates the muscle fiber, what does the fiber stimulation lead
to? - answer✔an action potential, which causes depolarization
and the release of calcium
What does the calcium bind to and what does this cause? - answer✔calcium binds to troponin, and this
binding uncovers the actin-binding sites and allows for myosin strands (myosin heads) to pull the actin,
leading to contraction
What is the difference between infarction and necrosis? - answer✔Infarction is tissue death due to lack
of blood supply
Necrosis is tissue death due to injury, disease, or lack of blood supply
What is reactive oxygen species (ROS)? - answer✔reactive oxygen species (ROS) is another important
mechanism of cellular injury caused by free radicals (reactive oxygen species, or ROS)
What happens in reactive oxygen species ROS? - answer✔reactive oxygen species (free radicals) are
injurious, unstable agents that can
cause cell death. A single unbalanced atom initiates this pathway, which can rapidly
produce a wide range of damage
What happens when there is an unpaired electron? - answer✔it becomes unstable (electrons are stable
in pairs). In an attempt to stabilize itself, the atom
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