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Exam (elaborations)

NURS 207 PAUL LEE INFO MIDTERM QUESTIONS WITH CORRECT ANSWERS

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NURS 207 PAUL LEE INFO MIDTERM QUESTIONS WITH CORRECT ANSWERS

Institution
NURS 207
Course
NURS 207

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What are 3 electrically charged molecules that require facilitated diffusion?


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Glucose, amino acids, and HCO3-




What can necrosis be caused by?


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Infection, ischaemia (lack of blood flow), toxin, hypoxia (lack of oxygen)




Which two types of tissues have excitable cells?

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Muscle tissue and nervous tissue




What is the function of receptors?


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Serve as cellular recognition sites where each type of receptor recognizes
and binds to a specific type of molecule




Phospholipids tails?


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Non-polar, hydrophobic tails containing 2 long fatty acids




What are the 4 general functions of the plasma membrane?


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Structural support (cytoskeleton), physical isolation, regulation of
exchange, and communication




What are the 6 functions of membrane proteins?

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Ion channels, receptors, carriers/transporters, enzymes, linkers, cell-
identity markers




What is vesicular transport?


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Transport used for macromolecules that are too large for protein mediated
transport systems to handle




What are the 3 groups of protein-mediated transports?


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Membrane transporters, structural protein, membrane enzymes, and
membrane receptors




What does the renal system consist of?


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Urinary system, kidneys and bladder




What can channel transporters be divided into?

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Open (leak channels) and gated channels




What are observable changes in an apoptotic cell?


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Degradation of cellular components such as, nuclear fragmentation,
chromatin condensation, DNA fragmentation, and RNA decay




Epithelium cell shapes: Cuboidal cells


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Wide, shape like cubes, and may contain microvilli and function in either
secretion or absorption




What do both types of active transport require?


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The binding of substrate to the carrier protein and the conformation
changes of the carrier proteins




What are cells electrically and chemically at when in resting memebrane potential?

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Institution
NURS 207
Course
NURS 207

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Uploaded on
December 27, 2025
Number of pages
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Written in
2025/2026
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