NURS 6501 advanced pathophysiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

PATHOPHYSIOLOGY EXAM vc




Exam Solution
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Pathophysiology Exam 1 2026 A+ GRADE ASSURED COM vc vc vc vc vc vc vc




PLETE SOLUTIONS AND VERIFIED ANSWERS (1A127)
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QUESTION 1 vc




What is pathophysiology?
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ANSWER

"...the study of functional or physiologic changes in the body that result from disease processes." (Gould,
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2006) "... the study of the disorder or breakdown of the human body's function." (Copstead & Banasik, 2
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005)



QUESTION 2 vc




Explain the differences between pathology and pathophysiology.
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ANSWER

Pathology = "... the laboratory study of cell and tissue changes associated with disease" (Gould, 2006) Ce
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llular changes may cause functional disturbance, so pathology = a component of pathophysiology
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QUESTION 3 vc




Homeostasis
ANSWER

Humans are continually in an internal state of self-regulation and self-
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adjustment Results in a relatively stable internal environment = dynamic steady state Most homeostatic
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control mechanisms operate based on negative feedback
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QUESTION 4 vc




Homeostasis - Negative Feedback vc vc vc




ANSWER

,Control mechanism for particular body function senses a deviation from normal Controller opposes/neg
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ates the deviation and brings back to normal level If disease present: the "sensor" or "controller" may n
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ot operate effectively
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QUESTION 5 vc




Disease and Illness Involves __________ Is a dynamic process due to: 1) 2)
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ANSWER

Involves a disruption of homeostasis Is a dynamic process due to: 1) Interaction between injury and rea
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ction to injury 2) Signs and symptoms may change daily based on compensatory mechanisms and shift i
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n biological equilibrium
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QUESTION 6 vc




Characteristics of Disease vc vc




ANSWER

Changes occur at cellular level (pathology) which... Result in changes at the organ level (pathophysiolog
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y) Disease is the sum of deviations from normal, not the abnormal state in and of itself (Copstead and B
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anasik, 2005) vc




QUESTION 7 vc




Process of Disease Manifestation vc vc vc




ANSWER

Presence of an infectious agent is detected Infectious agent causes changes at cellular and organ level =
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alters homeostasis These changes present as signs and symptoms, which are also impacted by external f
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actors All of these deviations from normal together = DISEASE
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QUESTION 8 vc




Framework for Pathophysiology To understand a disease, need to consider three aspects
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of the disease process: 1) 2) 3)
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ANSWER

1) Etiology: cause 2) Pathogenesis: how the disease develops 3) Clinical manifestations: functional conse
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quences of altered homeostasis vc vc vc




QUESTION 9 vc




Etiology

,ANSWER

The causative factors of a disease, illness, or injury
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QUESTION 10 vc




Idiopathic
ANSWER

The cause of a condition is unknown
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QUESTION 11 vc




Iatrogenic
ANSWER

The cause of a condition is due to medical treatment or error (Ex: bladder infection after catheterization
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QUESTION 12 vc




There are many types of causative factors; one or more than one may be present depend
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ing on the condition
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ANSWER

Genetics Viruses Bacteria Degenerative changes
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QUESTION 13 vc




Classification of Disease vc vc




ANSWER

Intrinsic or Extrinsic (Physical Agents or Infectious)
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QUESTION 14 vc




Classification of Disease - Intrinsic vc vc vc vc




ANSWER

Inherited Congenital Metabolic Degenerative Neoplastic Immunologic Nutritional Deficiency Psychogenic
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QUESTION 15 vc

, Classification of Disease - Extrinsic (Physical Agents)
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ANSWER

Force Temperature Humidity Radiation Electricity Chemicals Iatrogenic
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QUESTION 16 vc




Classification of Disease - Extrinsic (Infectious)
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ANSWER

Pathogenic organisms Viruses Bacteria Fungi Protozoa Pathogenic animals Insects Worms
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QUESTION 17 vc




Pathogenesis
ANSWER

How a disease develops or evolves = sequence of the disease
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QUESTION 18 vc




Pathogenesis Will vary based on: 1) 2) vc vc vc vc vc vc




ANSWER

1) Causal agent 2) Type of cell, tissue, and organ affected
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QUESTION 19 vc




Pathogenesis Immediate response to altered homeostasis is usually: 1) 2)
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ANSWER

1) Depression of cells (fewer, hypo-responsivity) 2) Stimulation of cells (more, hyper-responsivity)
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QUESTION 20 vc




Factors Affecting Pathogenesis
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ANSWER

Time Quantity Location Morphologic Changes
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QUESTION 21 vc