Question 1
Question
What type of cellular adaptation is seen in this picture? (Hint: it's the prostate)
Answer
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Hypertrophy
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Hyperplasia
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Metaplasia
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Atrophy
Question 2
Question
What type of cellular adaptation is seen in this organ?
Answer
-
Hypertrophy
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Hyperplasia
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Metaplasia
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Atrophy
Question 3
Question
The heart can undergo both hypertrophy and hyperplasia.
Question 4
Question
What type of cellular adaptation is seen in this picture?
Answer
-
Hypertrophy
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Hyperplasia
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Metaplasia
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Atrophy
Question 5
Question
Which of the following is INCORRECT regarding metaplasia?
Answer
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Most common change is columnar --> squamous
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The new cell type is better capable of enduring the stressful environment
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It is an irreversible process
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It occurs in respiratory epithelium
Question 6
Question
The thyroid pictured on the right has undergone hyperplasia and hypertrophy.
Question 7
Question
Myocardial hypertrophy is always pathologic.
Question 8
Question
This patient with tonsilitis shows cells that have undergone:
Answer
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Hypertrophy
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Hyperplasia
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Metaplasia
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Atrophy
Question 9
Question
Vitamin A deficiency is associated with atrophy because the cells need Vitamin A for differentiation of specialized epithelium.
Question 10
Question
Which of the following is not associated with Hypoxemia?
Answer
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Insufficient Oxygen
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Ischemia
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Hyperventilation
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Pneumonia
Question 11
Question
Budd-Chiari Syndrome is an example of hypoperfusion of the tissue with blood leading to reduced supply of oxygen and substrates for glycolysis.
Question 12
Question
Methemoglobinemia can cause hypoxemia by creating a ventilation perfusion mismatch.
Question 13
Question
Which of the following is NOT associated with reversible changes of cell injury.
Question 14
Question
Which term best describes the nuclear changes shown?
Answer
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Pyknosis: shrinkage and increased basophilia due to chromatin condensation
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Karyorrhexis: fragmentation of pyknotic nuclei
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Karyolysis: Decreased nuclear basophilia due to DNA degradation by nucleases
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Loss of nuclei
Question 15
Question
What are the 2 main events that characterize irreversible cell injury ?
Answer
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Disturbances in the membrane function and activation of the complement system
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Glycogenolysis and increased pH in the interstitial fluid
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Mitochondrial dysfunction and breakdown of cell membrane
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Loss of microvilli and detachment of ribosomes from the ER
Question 16
Question
These hepatocytes have undergone reversible cell injury.
Question 17
Question
What type of necrosis is demonstrated in these images?
Answer
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Gangrenous
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Coagulative
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Fat
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Caseous
Question 18
Question
Liquefactive necrosis only occurs in the brain.
Question 19
Question
What is the type of necrosis demonstrated by these images?
Answer
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Liquefactive
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Fat
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Coagulative
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Caseous
Question 20
Question
Wet-gangrene is a superimposed bacterial infection in an area with necrosis due to loss of blood supply (coagulative necrosis).
Question 21
Question
Which of the following is NOT associated with the generation of reactive oxygen species?
Question 22
Question
Ischemia-Reperfusion injuries can happen when blood flow is restored to ischemic viable tissue which is reversibly injured.
Question 23
Question
Antioxidants, chelators, and catalase are all examples of mechanisms that can remove ROS
Question 24
Question
Dystrophic calcification occurs in dead/dying tissues in the absence of systemic hypercalcemia. Cell loses ability to regulate intracellular calcium and crystalline calcium phosphate forms.
Question 25
Question
Which of the following is an exogenous pigment?
Answer
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Hemosiderin
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Lipofuscin
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Carbon
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Melanin
Question 26
Question
Which disease of premature aging has mutation in LMNA gene. The defective protein Progerin accumulates in the nucleus. Male pattern baldness, atherosclerosis and CAD are common with lifespans less than 10 years.
Question 27
Question
Werner Syndrome is a disease of premature aging due to a mutation in the WRN gene, which plays a role in telomere length maintenance and processing DNA damage.
Question 28
Question
Inflammation is a hallmark of apoptosis.
Question 29
Question
Which of the following are not associated with physiologic apoptosis?
Answer
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The de-webbing of fingers during embryogenesis
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The shedding of the endometrium during the menstrual cycle
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The elimination of mutated genes that accumulate misfolded proteins
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The elimination of self-reactive lymphocytes
Question 30
Question
Which of the following is NOT a main pathway in the initiation of apoptosis
Answer
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Mitochondrial
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Death-receptor mediated
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Ubiquitin degradation
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Cytotoxic CD8+ T-cell
Question 31
Question
Uterine serous carcinoma is an aggressive cancer with a possible alteration of p53 in the pathogenesis. Mutated p53 is incapable of inducing apoptosis and therefore cells with damaged DNA can continue to proliferate and undergo malignant transformation.
Question 32
Question
Which of the following is not a trigger for inflammation?
Answer
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Injury
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Insult
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Integrins
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Infection
Question 33
Question
Which of the following is a component of the acute inflammatory response?
Answer
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Response time of days to years
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Vascular proliferation and scarring
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Fluid and plasma exudation
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High specificity
Question 34
Question
Which statement is incorrect?
Answer
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Calor and rubor are caused by vasodilation
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Tumor is due to decreased vascular permeability
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Dolor is an outcome of the kinin cascade
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Histamine release can cause rubor
Question 35
Question
Which is incorrect regarding platelets?
Answer
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They are formed from megakaryocytes in the bone marrow
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They contain a pyknotic nuclei
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They contain dense granules and alpha granules
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They are part of the primary hemostatic plug
Question 36
Question
Which cells are likely to be seen in an allergic reaction?
Answer
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Mast Cells
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Eosinophils
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Macrophages
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Lymphocytes
Question 37
Question
Which statement is correct regarding mast cells?
Answer
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They have cytoplasmic granules with lysosomal enzymes, cytokines, and major basic protein
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They are also called polymorphonuclear cells
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They are widely distributed throughout connective tissue
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They can differentiate into dendritic cells
Question 38
Question
Transudates are high in protein and come from inflammation.
Question 39
Question
Which is not a pathway in the complement system?
Question 40
Question
Which factors are invovled with chemotaxis, recruitment and activation of leukocytes?
Answer
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C3a & C5a
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C5b complexs
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C3a & C3b
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IgG & IgM
Question 41
Question
Paroxysmal Nocturnal Hemoglobinuria (PNH) results in complement-mediated lysis of RBCs due to which of the following mechanisms/defects?
Answer
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Loss of Hageman Factor (Factor VII)
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Deficiency of the C1 inhibitor
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Excessive production of the Membrane Attack Complex
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Deficient plama lectin the the mannose binding lectin pathway
Question 42
Question
Which of the following is not a step in leukocyte Recruitment?
Answer
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Adhesion
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Transmigration
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Transformation
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Margination
Question 43
Question
During the resolution phase of acute inflammation, neutrophils undergo apoptosis.
Question 44
Question
The umbilical cord taking longer to separate after the baby is born may be a sign of Leukocyte Adhesion Deficiency.
Question 45
Question
Impaired fusion of phagosome with lysosomes, disordered trafficking of organelles, giant granules in leukocytes, and neutropenia are all symptoms of Chediak-Higashi Syndrome.