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Advanced Patho NURS 5315 exam 1| Questions With Verified Answers 2026/2027

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Advanced Patho NURS 5315 exam 1| Questions With Verified Answers 2026/2027 Advanced Patho NURS 5315 exam 1| Questions With Verified Answers 2026/2027 Advanced Patho NURS 5315 exam 1| Questions With Verified Answers 2026/2027

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NURS 5315 v4




Advanced Patho NURS5315exam 1|Questions With Verified
v4 v4 v4 v4 v4 v4 v4 v4




v4 Answers 2026/2027 v4




THISDOCUMENTCONTAINS:
v4 v4




➢ NURS 5315
v4




➢ NURS 5315 exam 1
v4 v4 v4




➢ AdvancedPathoNURS5315exam1
v4 v4 v4 v4 v4




➢ QuestionsWith Verified Answers
v4 v4 v4




➢ Complete Multiple Choic
v4 v4

, 1. What is an action potential? v4 v4 v4 v4




• A) The resting state of a cell membrane
v4 v4 v4 v4 v4 v4 v4




• B)The process by which excitable cells transmit information from one to another
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• C) The movement of water across a membrane
v4 v4 v4 v4 v4 v4 v4




• D) The production of proteins by a cell
v4 v4 v4 v4 v4 v4 v4




Correct Answer: B v4 v4




Explanation: Accordingto the file, action potential is defined as "The process by which excitable cells
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 transmit information from one to another." This involves rapid changes in membrane potential that
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 allow communication between cells such as neurons and muscle fibers.
v4 v4 v4 v4 v4 v4 v4 v4 v4




2. How isthe action potential altered by a potassium imbalance? (Hyperkalemia)
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• A) The ECF has less K+ ions, membrane becomes more negative
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• B) The ECF has more K+ ions, membrane becomes more positive (hypopolarized), cells become
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 MORE excitable v4




• C) The ECF has more K+ ions, membrane becomes hyperpolarized
v4 v4 v4 v4 v4 v4 v4 v4 v4




• D) There is no change in membrane potential
v4 v4 v4 v4 v4 v4 v4




Correct Answer: B v4 v4




Explanation: The file states that in hyperkalemia, "The ECF has more K+ ions. The membrane v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 potential becomes more positive (hypopolarized). Cells become MORE excitable. T waves peak. QRS
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 complexes widen. Causes dysrhythmias, weakness, paresthesia." If membrane potential equals
v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 threshold, cardiac standstill occurs. v4 v4 v4




3. Howis the action potential altered by a potassium imbalance? (Hypokalemia)
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4

,• A) The ECF has more K+ ions, cells become more excitable
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• B) The ECF has less K+ ions, membrane becomes more negative (hyperpolarized), cells become less
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 excitable
• C) The ECF has less K+ ions, membrane becomes more positive
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• D) There is no change in action potential
v4 v4 v4 v4 v4 v4 v4




Correct Answer: B v4 v4




Explanation: Accordingto the file, in hypokalemia "The ECF has less K+ ions. The membrane potential
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 becomes more negative or hyperpolarized. The cell becomes less excitable, depolarization takes
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 longer, and takes a stronger stimulus. Causes weakness, atony, cardiac dysrhythmias."
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




4. Howis the action potential altered by a calcium imbalance? (hypercalemia)
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• A)Increases cell permeability to sodium, causing hypopolarization
v4 v4 v4 v4 v4 v4 v4




• B)Decreases cell permeability to calcium, cell becomes hyperpolarized, less excitable
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




• C)Increases cell excitability, brings threshold closer to membrane potential
v4 v4 v4 v4 v4 v4 v4 v4 v4




• D) Has no effect on membrane potential
v4 v4 v4 v4 v4 v4




Correct Answer: B v4 v4




Explanation: The file states that hypercalcemia (>10.5 mg/dL) "decreases the cell permeability to
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 calcium. The cell becomes hyperpolarized (the distance between membrane potential and
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 threshold potential widens). The cell is less excitable and takes more stimulus to depolarize.
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




Causes: weakness, hyporeflexia, lethargy, confusion, shortened QT wave, depressed T wave."
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




5. Howis the action potential altered by a calcium imbalance? (hypocalemia)
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4

, • A)Decreases cell permeability to sodium, causing hyperpolarization
v4 v4 v4 v4 v4 v4 v4




• B) Increases cell permeability to Na+, resting membrane gets hypopolarized, cells become
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 excitable
• C)Widens distance between membrane and threshold potential
v4 v4 v4 v4 v4 v4 v4




• D)Decreases cell excitability
v4 v4 v4




Correct Answer: B v4 v4




Explanation: According to the file, hypocalcemia (<9.0 mg/dL) "Increases the cell permeability to
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




Na+. Resting membrane potential gets hypopolarized. Cells become excitable and threshold and
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 membrane potential get closer. Causes: tetany, hyperreflexia, parathythmias, seizures,
v4 v4 v4 v4 v4 v4 v4 v4




v4 dysrhythmias."




Section2:CellularAdaptation 4
v 4
v 4
v




6. Atrophy


• A) Increase in cellular protein causing cell enlargement
v4 v4 v4 v4 v4 v4 v4




• B) Catabolism of intracellular organelles causing reduction in intracellular contents; the cell
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 shrinks
• C) Increase in number of cells
v4 v4 v4 v4 v4




• D) Abnormal changes in cell size, shape or organization
v4 v4 v4 v4 v4 v4 v4 v4




Correct Answer: B v4 v4




Explanation: The file defines atrophy as "Catabolism of intracellular organelles causing a reduction
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 in the intracellular contents. The cell shrinks." Examples include thymus gland shrinking in
v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4 v4




v4 childhood and disuse atrophy from lack of stimulation.
v4 v4 v4 v4 v4 v4 v4

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