PORTAGE PATHOPHYSIOLOGY
EXAM 1 WITH 100% CORRECT
ANSWERS 2026
True/False:
Persistent metaplasia can lead to dysplasia. correct answer
true
True/False:
Barrett esophagus is an example of dysplasia. correct answer
false (Barrett's esophagus is METAplasia)
True/False:
Persistent dysplasia eventually results in cancer. correct answer
true
True/False:
Hypertrophy can occur under normal and pathological conditions.
correct answer true
Match definitions for: sensitivity, reliability, validity, specificity
correct answer Sensitivity: proportion of people WITH a disease
that test positive for the disease
Reliability: likelihood of getting same result with repeat testing
Validity: HOW a tool measures what it is intended to measure
, Specificity: people WITHOUT a disease who test negative for the
disease
Which are true of the mitochondria? Select all that apply. correct
answer It is involved in cellular respiration
They play a role in apoptosis
Which of the following are true of the cell? Select all that apply.
correct answer Proteins carry out the functions of the cell
membrane
Lysosomes are the digestive system of the cell
Microfilaments are thin, threadlike cytoplasmic structures
Which are true of the cell membrane? Select all that apply.
correct answer Controls the transport of materials from the
outside fluids to within
Helps with the conduction of electrical currents in nerve and
muscle cells
Aids in the regulation of cell growth and proliferation
Which are false of the mitochondria? Select all that apply.
correct answer They are found far from the site of energy
consumption
They control free radicals
High blood pressure is an example of which of the following?
correct answer Pathophysiology (Pathophysiology is the study of
disease, high blood pressure is an example of a disease)
EXAM 1 WITH 100% CORRECT
ANSWERS 2026
True/False:
Persistent metaplasia can lead to dysplasia. correct answer
true
True/False:
Barrett esophagus is an example of dysplasia. correct answer
false (Barrett's esophagus is METAplasia)
True/False:
Persistent dysplasia eventually results in cancer. correct answer
true
True/False:
Hypertrophy can occur under normal and pathological conditions.
correct answer true
Match definitions for: sensitivity, reliability, validity, specificity
correct answer Sensitivity: proportion of people WITH a disease
that test positive for the disease
Reliability: likelihood of getting same result with repeat testing
Validity: HOW a tool measures what it is intended to measure
, Specificity: people WITHOUT a disease who test negative for the
disease
Which are true of the mitochondria? Select all that apply. correct
answer It is involved in cellular respiration
They play a role in apoptosis
Which of the following are true of the cell? Select all that apply.
correct answer Proteins carry out the functions of the cell
membrane
Lysosomes are the digestive system of the cell
Microfilaments are thin, threadlike cytoplasmic structures
Which are true of the cell membrane? Select all that apply.
correct answer Controls the transport of materials from the
outside fluids to within
Helps with the conduction of electrical currents in nerve and
muscle cells
Aids in the regulation of cell growth and proliferation
Which are false of the mitochondria? Select all that apply.
correct answer They are found far from the site of energy
consumption
They control free radicals
High blood pressure is an example of which of the following?
correct answer Pathophysiology (Pathophysiology is the study of
disease, high blood pressure is an example of a disease)
