WorksheetsDWT Final Pathology
Total questions: 137
Worksheet time: 1hrs 10mins
1) What are three possible outcomes of acute inflammation?
Complete resolution
Fibrosis
Progression to chronic inflammation
All of the Above
1) T or F: Sometimes inflammation can skip the acute phase and go directly into the chronic stage.
True
False
1) If injury is short-lived and little tissue destruction occurred, what outcome would you expect to see?
Complete resolution
Fibrosis
Chronic inflammation
1) If there has been substantial tissue destruction and abundant fibrin exudation, what will occur?
Complete resolution
Fibrosis
Chronic inflammation
1) If the basement membrane was left intact during the inflammatory process, we will probably have:
Some, if not complete, regeneration
No regeneration
1) What might cause progression to chronic inflammation?
Persistence of infectious agent
Interference with normal healing
1) Fibrous is to ____ as fibrinous is to _____.
Fibrin; collagen
Collagen; fibrin
Chronic inflammation; collagen
None of the above
1) Which of the following is not a morphologic pattern of acute inflammation?
Serous inflammation
Fibrous inflammation
Fibrinous inflammation
Supparative inflammation
1) Effusion is generally caused by what type of inflammation:
Serous
Fibrinous
Supparative
Purulent
1) Serous inflammation is derived from ____ cells.
Endothelial cells
Inflammation cells
Mesothelial cells
None of the above
1) The production and accumulation of fibrin is exhibited in what type of inflammation?
Serous
Fibrous
Fibrinous
Supparative
1) Supparative inflammation occurs when neutrophils cause tissue destruction and lead to the production of _____.
Fibrin
Fiber
Purulent exudate
Serositis
1) Explain the difference between an ulcer and an erosion.
Ulcers are defects that extend past the basement membrane
Erosions are defects that do not extend past the basement membrane
Ulcers are defects that do not extend past the basement membrane
Erosions are defects that extend past the basement membrane
1) Serous inflammation can be found where?
Pleural cavity
Pericardial cavity
Peritoneal cavity
None of the above
All of the above- Polyserositis
1) Where might you commonly see an ulcer?
GI tract – stomach, small intestines
Urogenital Tract
Respiratory Tract
1) T or F: chronic inflammation can either follow acute inflammation or may skip acute inflammation.
True
False
1) What occurs simultaneously in chronic inflammation?
Tissue destruction
Attempts at tissue repair
None of the above
1) Which of the following is a cause of chronic inflammation?
Persistent infections
Prolonged exposure to endogenous toxic agents
Prolonged exposure to exogenous toxic agents
Autoimmunity
All of the above
1) Mycobacterial infection can lead to ____ infections, which may trigger chronic inflammation.
Acute
Persistent
Inactive
Toxic
1) Switching from acute to chronic inflammation is determined once the main immune cell switches from neutrophils to _____.
Macrophages
Lymphocytes
Plasma cells
Mononuclear cells
1) What might you most likely see as a morphologic feature of chronic inflammation?
Infiltration of neutrophils
Tissue destruction
Mature fibrous tissue
Fibrinogen
1) What two components make up granulation tissue?
Immature fibrous tissue (fibroblasts)
Angiogenesis
Macrophages
Mononuclear Cells
1) What separates fibrosis and fibrinous?
Collagen is found in fibrosis
Fibrosis in chronic inflammation
Fibrin in acute inflammation
All of the above
1) Macrophages originate where?
Bone marrow
Spleen
Blood
Tissue
1) What is a major difference between activated and inactivated macrophages?
Increase cytoplasmic organelles
Increased size
Called epithelioid cells
All of the above
1) What microbial product will activate macrophages?
LPS (endotoxin in gram –‘s)
Coccidia
1) TH1 cells will release a cytokine to activate and recruit macrophages.
Interferon-alpha
Interferon-beta
Interferon-gamma
TLR-4
1) If a macrophage was activated for tissue repair, what might is secrete?
Growth factors
Fibrogenic cytokines
Angiogenic cytokines
All of the above
1) If you were to delete the gene for angiogenic cytokines, you would be affecting _____.
Inflammatory macrophages
Tissue injury associated macrophages
Repair macrophages
No macrophages
1) If a T cell were to activate a macrophage, what might it not secrete?
Tumor Necrosis Factor
Interleukin-17
Interferon-gamma
Interleukin-12
1) Which immune cell contains Major Basic Protein (MBP)?
Plasma cells
B cells
Neutrophils
Eosinophils
1) The professional antibody secreting cell is what?
B cell
T cells
Plasma cell
NK cells
1) Suture material often causes a _____ type of inflammation in patients.
Pyogenic
Pyogranulomatous
Granulomatous
No
1) Caseous necrosis is sometimes seen in cases of ____ inflammation.
Pyogenic
Pyogranulomatous
Granulomatous
Necrotizing
1) Acute phase reactions include all of the following except:
Prostaglandin synthesis
Induction of fever
Hyperfibrinogenemia
Leukopenia
1) C-reactive protein, serum amyloid A, and fibrinogen are all classified as ________.
Acute phase proteins
CKD/CRF
1) C-reactive protein, serum amyloid A, and fibrinogen are all classified as ________.
Acute phase proteins
CKD/CRF
1) High production of serum amyloid A may lead to accumulation within the kidneys resembling what disease?
Acute phase proteins
CKD/CRF
1) If you were to inhibit prostaglandin synthesis in acute inflammation you would be inhibiting what?
Production of fever
Inhibition of tumor development
1) If you were to have an insult that caused damage to the stromal framework of your tissue, what is the most likely outcome?
Restoration of normal structure
Fibrosis
Regeneration
Complete resolution
1) What composes fibrosis?
Fibrin
Myocytes
Collagen
All of the above
1) What is the function of collagen within scar tissue?
To provide tensile strength
Provide loose connective tissue
1) Which of the following is not a mechanism for angiogenesis?
From pre-existing lymphatics
From pre-existing vessels
From endothelial precursor cells
1) When visualizing granulation tissue, you notice a glisten-y sheen, what is that due to?
Edema
Thrombosis
1) What does VEGF stand for?
Vascular Endothelial Growth Factor
Vascular Endometrium Growth Factor
1) What does VEGF stand for?
Vascular Endothelial Growth Factor
Vascular Endometrium Growth Factor
1) What is VEGF analogous to?
IL-2
IL-12
IL-1
IL-8
1) If an animal was deficient in VEGF, what might you expect if it were to get a laceration?
Improved wound healing
Increased leakiness of vessels
Decreased wound healing
Increased angiogenesis
1) If a surgical incision, with opposed edges, were to become infected, what type of cutaneous wound healing would occur?
Primary union
First intention
Second intention
Third intention
1) If an excisional wound occurred on the carpus of a cat, what type of healing might occur?
Primary union
First intention
Second intention
Third intention
1) If a surgical incision, with opposed edges, remained infection-free, what type of healing is this?
First intention
Second intention
Third intention
Exuberant tissue
What intention are Myofiibroblasts in?
1st Intention Healing
2nd Intention Healing
1) T or F: in first intention healing, myofibroblasts proliferate and migrate to the center of the wound.
True
False
1) If an animal recently had an exploratory laparotomy, what might you expect to see at the incision?
Neutrophilic infiltration
Hemostasis
Epidermal cell thickening and proliferation
All of the above
1) 72 hours after the initial incision and closure, granulation tissue is forming. Which of the following comprise this tissue?
Angiogenesis
Fibroblast proliferation
Myofibroblast proliferation
1) T or F: by the end of first intention healing, the epidermis returns to normal thickness.
True
False
1) Which type of healing will you see a defect in the initial site of insult?
Primary
Secondary
Tertiary
1) You are finally able to resolve an infected surgical incision in your dog. What might you expect to see a proliferation in?
Myofibroblasts
Neutrophils
Fibroblasts
1) What is the function of myofibroblasts?
Closure of secondary intention sites due to vasodilation
Closure of secondary intention sites due to contraction and produce of collagen
Closure of secondary intention sites due to increased RBCs on the endothelium
1) Which type of healing involves a more intense inflammatory reaction and more granulation tissue?
Primary
Secondary
Both are equal
1) What type of healing might you expect to occur following an ulcer or ruptured abscess?
Primary
Secondary
1) What type of healing is pictured below?
Primary
First Intention
Secondary
1) What is a histological hallmark of granulation tissue?
Aligned blood vessels
Fibroblasts that are perpendicular to blood vessels
All the above
1) Which species of animal required vitamin C in their diet?
Cat
Dog
Bovine
Equine
Guinea pig
1) A deficiency in what major nutritional macromolecule will lead to impaired wound healing?
Lipids
Nucleic acids
Carbs
Protein
1) Which general category will proud flesh fall under?
Formation of contractures
Excessive formation of repair components
1) A horse suffers a serious burn on his/her left front leg. After it heals the owner notices the horse is lame on that leg and is unable to carry out full range of motion. This is an example of:
Formation of contracture(s)
Excessive formation of repair components
Proud flesh
Formation of relaxation tissue
1) Amyloidosis is not:
A group of diseases
Deposition of amyloid
Comprises several types of amyloid
A single, specific disease
1) What is amyloid?
Proteinaceous substance
Carbohydrate rich substance
Lipid-soluble substance
Brain plaque, only
1) What aspect of amyloid fibrils allows us to visualize it with Congo Red stain?
Beta-pleated sheet + bonds
Alpha-Helix sheet + bonds
1) If you were suspecting excessive amyloid deposition in the liver or kidney of a necropsy sample, what might you stain it with to make it evident histologically?
NMB
H&E
Congo Red
Congo Blue
Hemosiderin
1) Serum amyloid A is a positive acute phase protein. Which chemical form of amyloid does this fall under?
AL (amyloid light chain)
AA (amyloid associated)
Amyloid beta
Brain plaques
1) Plasma cells are professional antibody and immunoglobulin secreting cells. Which form of amyloid is derived from them?
AL (amyloid light chain)
AA (amyloid associated)
Amyloid beta
Brain plaques
1) Old dogs and human Alzheimer patients typically have the ___ form of amyloid within their brains.
AL
AA
Amyloid-beta
1) Which form of amyloid stems from secondary/reactive amyloidosis?
AL
Amyloid beta
AA
1) Which form of amyloid does not stem from primary amyloidosis (neoplasia)?
AA
Amyloid beta
AL
1) T or F: amyloidosis is always a localized disease (affecting one organ).
True
False
1) Which of the following incites the pathogenesis of amyloidosis?
Insoluble fibril deposition
Protein deposition
Abnormal folding of proteins
1) Chronic inflammation in a cat might lead to increases and deposition in which form of amyloid?
AA
AL
Amyloid beta
1) Which of the following is/are caused by renal amyloidosis?
Decreased GFR
Proteinuria
Renal failure
All of the above
1) Amyloid deposition in the kidney is similar to what hypersensitivity reaction?
I
II
III
IV
1) Upon gross examination of a kidney with suspected amyloidosis, which stain might you use to visualize the lesions?
Lugol’s Iodine
NMB
H&E
Giemsa
1) Which stain did you use in the histological picture below to visualize amyloid in the glomerulus?
Lugol’s Iodine
NMB
H&E
Hemosiderin
Congo Red
What might you notice about a liver with amyloid deposition?
Hemorrhage
Necrosis
Rounded lobar margins
None of the above
1) An organ with amyloid deposition will feel:
Spongey
Soft
Friable
Firm
1) Which of the following does not characterize a benign tumor/neoplasia?
Non-invasive
Metastasis
Does not metastasis
Local surgical removal is usually curable
1) What is the suffix that usually accompanies benign neoplastic masses?
-sarcoma
-adenoma
-oma
-mesenchymo
1) What would what benign tumor of adipose tissue be called?
Adipoma
Fattoma
Lipoma
Adipolipoma
1) What would a benign tumor of cartilage be called?
Osteoma
Chondroma
Adenoma
1) If you were to hear a neoplastic mass called “-sarcoma,” what can you infer about its biologic behavior?
Benign
Malignant
1) A malignant neoplastic mass derived from mesenchymal tissue is called a ____.
Carcinoma
Adenoma
Sarcoma
Adenocarcinoma
1) What is the name for a malignant neoplastic mass affecting endothelial cells anywhere in the body (i.e. heart, spleen, etc.)?
Osteosarcoma
Hemangiosarcoma
Lymphoma
Leukemia
1) Squamous cell carcinoma usually affects animals with low melanin (white coat color). What type of cell origin do they derive from?
Mesenchymal
Round
Epithelial
1) If you were to diagnose a malignant neoplastic mass derived from epithelial origin that has a glandular morphologic pattern, what would its name be?
Adenoma
Carcinoma
Adenocarcinoma
1) T or F: mixed tumors are derived from totipotent stem cells.
True
False
1) What is the name for a mass derived from all three embryonic germ layers?
Ectomesoderma
Teratoma
Tritoma
Embryoma
1) T or F: leukemia is a malignant tumor of lymphoid tissue.
True
False
1) If you were to find a cat with a malignant neoplasia of metarubricytes, what would you potentially call this process?
Leukemia
Lymphoma
Adenocarcinoma
Metarubricytemia
1) Which of the following do we evaluate to determine if a neoplastic process if benign or malignant?
Differentiation
Rate of growth
Local invasiveness
Metastasis
All the above
1) If you were looking at a neoplasm that has poorly differentiated, what will you probably classify it as?
Benign
Malignant
1) If you were to determine a neoplasm was anaplastic, you would say the differentiation is ____ and the mass is ____.
Poor; benign
Poor; malignant
Good; benign
Good; malignant
1) Explain what loss of polarity describes in a neoplastic sample/mass.
Polarity is when called have distinct apical and basement membranes that are regularly organized (all apical align with each other and basement is on the other side of the cell and align with each other). Loss of polarity indicates that the apical and basement aspects are irregular and not consistently aligned with each other.
None
1) What kind of N:C ratio would a neoplastic cell exhibit that is malignant and mitotically active?
High
Low
1:1
1) Which of the following is not used to describe morphologic characteristics?
Types of Mitoses
Anisokaryosis
Anisocytosis
Chromatography
1) How might benign neoplastic cells act in comparison to the cells they are derived from?
Similar
Slightly different
Mavericks
1) Pituitary-dependent Hyperadrenocorticism is a benign mass in the pituitary gland that actively secretes ACTH, leading to increased cortisol production. The other name for hyperadrenocorticism is ______.
Cushing’s
Addison's
1) Which type of neoplasia may elicit capsule formation with its slow growth?
Malignant
Benign
1) What is carcinomatosis?
Hematogenous metastasis of a neoplasm
Metastasis of a neoplasm through the lymphatics
Direct implantation of a neoplasm
1) What processes might be considered pre-neoplastic?
Hyperplasia
Dysplasia
Metaplasia
All the above
1) A disorganized benign mass derived of normal structures located in its normal location is defined as a :
Choristoma
Hamartoma
Sarcoma
Adenoma
1) A choristoma is a non-neoplastic disorder of growth characterized by:
Normal cells in an abnormal place
Abnormal cells in normal place
Abnormal cells in abnormal place
1) P53 is which of the following?
Proto-oncogene
Oncogene
Oncoprotein
Tumor suppressor gene
1) _____ results from the accumulation of complementary mutations in a stepwise fashion over time leading to neoplasia.
Carcinomatosis
Carcinogenesis
1) T or F: tumors may grow in response to overexpression of growth factors.
True
False
1) Which of the following is growth factor receptor that is mutated in certain forms of cancer, leading to increased tumorigenesis?
PDGF
P53
C-kit
Myc
1) Ras is a normal ______.
Oncogene
Protooncogene
Tumor suppressor gene
DNA repair mechanism
1) Which of the following is another signal transducing protein that is a normal proto-oncogene?
Myc
PI3
C-kit
AGNOR
1) _____ is a transcription factor that activated the expression of cell growth and upregulation of telomerase.
PI3
Myc
P53
AGNOR
1) T or F: a deletion mutation in a protooncogene leads to decreased control of cell growth.
True
False
1) The Retinoblastoma (Rb) gene follows the ‘two-hit theory,’ which means that:
1 allele requires mutation for tumorigenesis
1 allele requires two mutations for tumorigenesis
2 alleles require mutation for tumorigenesis
None of the above
1) Which of the following is not a tumor suppressor gene?
APC
E-cadherin
P53
None of the above
1) Which apoptotic protein leads to inhibition of apoptosis?
Bcl-2
AGNOR
Myc
Caspase 8
1) In order to exhibit limitless replicative potential, cancer cells must never enter:
Cell growth
Cell division
Cell cycle
Senescence
1) T or F: all malignant cells that make it into the blood stream will survive to implant at a distant location.
True
False
1) Which of the following is not a reason cancer cells can avoid the immune system?
Outgrowth of antigen-negative variants
Secretion of immunostimulative factors
Loss of MHC molecules
Upregulation of TGF-beta
1) Which DNA repair mechanism must be damaged or mutated to allow genomic instability of future tumor cells?
Myc
P53
Bcl-2
None of the above
1) What normally keeps p53 at low levels in normal cells?
C-kit
AGNOR
MDM2
P52
1) Which of the following is not a general type of carcinogen?
Microbial
Radiation
Epithelial
Chemical
1) Which of the following is considered an indirect chemical carcinogen?
Aflatoxin B1
UV radiation
Cigarette smoke
1) A ___ acting chemical carcinogen does not require metabolic conversion to be carcinogenic.
Indirect
Direct
1) T or F: Aflatoxin B1 metabolism can lead to splenocellular carcinoma.
True
False
1) What is the primary target of radiation?
Purine
Pyrimidines
Nuclear membranes
1) Radiation leading to direct single or double stranded breaks in DNA result from:
UV
Ionizing
1) Which of the following is most likely induced with radiation exposure in veterinary species?
Hemangiosarcoma (HSA)
Squamous Cell Carcinoma (SCC)
Transitional Cell Carcinoma (TCC)
Chondrosarcoma
1) You arrive on a farm to examine an adult cow with persistent leukocytosis. What is the one of the first diseases you should rule out?
Marek’s Disease Virus
FeLV
Bovine Leukemia Virus
Infectious Anemia
1) T or F: Bovine/Feline Leukemia can lead to either leukemia or lymphoma.
True
False
1) Which virus leads to lymphoma in chickens?
Picornavirus
Parvovirus
Eimeria
Marek’s disease
