Midterm Exam Flashcards
Presence of this cells is REQUIRED to classify inflammation I as Chronic Granulomatous Inflammation?
Epithelioid Histiocytes (Activated Macrophages)
Note: Multinucleated giant cells sometimes maybe present.
What is the first step in WBC movement during a inflammatory reaction?
Rolling
Note: Loose, intermittent contact of WBC’s with endothelium, partially due to marination of WBC’s from stasis of blood
Which type of necrosis is predominant in organs with high fat and lack of substantial protein matrix?
Liquefaction Necrosis
Which of the following is suggestive of irreversible cellular injury? A. Cellular swelling B. ER swelling C. Loss of Enzymes (CK, LDH) D. Loss of micro villi
C. Loss of Enzymes (CK, LDH)
Hypoxia involves decrease in ATP. There are 3 major steps that occur during cellular injury, explain them.
1) Na/K pump fail: Na and water fill cell (cell swell)
2) Ca2+ pump fail: Ca+2 enter cells –> activates endonucleaes, protease so, phospholipases and DNAses.
3) Switch to anaerobic respiration Lactic Acid accumulates –> lower pH which disaggregates ribosomes and ER
Activation of which enzymes is part of initiation of extra cellular and intracellular pathway of apoptosis?
Caspases
What type of chemical injury involves either Direct toxicity or convert into toxic metabolites?
Chemical injury
During cellular injury, there is increase mitochondrial cytotoxic calcium. What is released to activate apoptosis?
Cytochrome C
There are 2 types of cellular injury types. Which of the following is not matching with Reversible cellular injury?
A. Light microscope - nuclear Karyolysis, Pyknosis, and Karyorrhexis
B. Electron Microscope - Cellular bless and small mitochondrial densities
C. ATP - once produced by the cell, the Na/K ratio and pH will be corrected
Not correct - A. Light microscope - nuclear Karyolysis, Pyknosis and Karyorrhexis.
Correct- Light microscope: Cellular swelling and fatty change.
What three structures in the cell, if damaged, will cause irreversible cellular injury?
A. Golgi Apparatus, Plasma Membrane and Lysosome
B. Lysosome, Mitochondria and ER
C. Mitochondria, Golgi Apparatus and RNA
D. Cell membrane, Golgi Apparatus and Lysosome
B. Lysosome, Mitochondria and ER
Note: Loss of DNA, loss of mitochondria, loss of ER, damage to Lysosome and Plasma are all irreversible cellular injury
What are the two types cell death?
Apoptosis- controlled breakdown of cells in response to damage to DNA or part of normal growth.
Necrosis - Uncontrolled breakdown of cells in response to injurious stimuli
Apoptosis involves what breakdown enzyme? What is the name of the phase name when it is catalytically active? What is the name of the phase name when it causes the death of the cell?
Caspases - When active its is called INITIATION and when death of a cell occurs, it’s called EXECUTION.
What type of cell in the liver, will show apoptosis?
Acidophil body
In the initiation of extra cellular pathway, what ligand binds to a member of the tumor necrosis?
Fas receptor, this I turn activates Caspases.
What type of tissue is Liquefactive necrosis commonly relative too? A. High Protein B. Low Protein C. High Fat D. Low fat
B. Low protein
It can also be apart of high concentration of proteolytic enzymes
What does Nuclear Karyolysis mean?
Loss of basophilia
What does Pyknosis mean?
Shrinkage of nucleus
What does Karyorrhexis mean?
Fragmentation of nucleus
What does Morphology of apoptosis involve?
Chromatin condensation and fragmentation
What type of necrosis involves protein desaturation and is more prominent than enzymatic breakdown? A. Coagulation necrosis B. Liquefaction necrosis C. Fat Necrosis D. Caseous Necrosis
A. Coagulative necrosis
Note: Organs affected are any that involve high fat content (I.e. Brain)
What type of organs are affect in Liquefactive necrosis? A. Stomach and Pancreas B. Small Intestine and Pancreas C. Brain and Pancreas D. Mycobacterium and Pancreas
C. Brain and Pancreas
What type of necrosis involves the release of fatty acids, which combines with calcium to form chalky deposits? A. Coagulation necrosis B. Liquefaction necrosis C. Fat Necrosis D. Caseous Necrosis
C. Fat necrosis
Note: Fat necrosis occurs when change in adipose tissue due to trauma or the release of enzymes from adjacent organs
What type of necrosis involves TB? A. Coagulation necrosis B. Liquefaction necrosis C. Fat Necrosis D. Caseous Necrosis
D. Caseous Necrosis - Cheesy looking necrosis associated with TB infections and other Granulomatous disease
Before neutrophils enter the tissue of a dying heart, what type of necrosis generally occurs prior to the neutrophils entering the heart muscle? A. Coagulative necrosis B. Liquefaction necrosis C. Fat Necrosis D. Caseous Necrosis
A. Coagulative necrosis
What is the function of Opsonins? A. Mark cells of Apoptosis B. Mark cells for Autolysis C. Mark cells for Pinocytosis D. Mark cells for Phagocytosis
D. Mark cells for Phagocytosis
What is the first step of Histamine? A. Vasodilation B. Increased Vascular permeability C. Rolling D. Pavementing E. Transmigration F. Chemotaxis
A.Vasodilation
What are the four possibilities that occur at Increased vascular permeability? A. Histamine B. Bradykinin C. IL-8 D. LFA -1 E. IgG F. TNF G. IL-1
A. Histamine
B. Bradykinin
F. TNF
G. IL-1
What is the name of the movement when WBC's cross through the endothelial layer? A. Rolling B. Pavmenting C. Transmigration D. Chemotaxis
C. Transmigration
What type of WBC movement involves WBC's to be drawn to the site of inflammation? A. Rolling B. Pavmenting C. Transmigration D. Chemotaxis
D. Chemotaxis
With acute inflammation, resolution outcome occurs when the inciting agent is removed, and all damage done by the inciting agent and inflammatory cells are repaired. However, for this to be true the epithelium needs to regenerate. What is helps the epithelium regenerate in this process?
It needs to have a basement membrane that is intact.
Complications such as Pain, fever, rupture and swelling are associated with what type acute inflammation? A. Abscess B. Ulcer C. Fistula D. Chronic inflammation
A. Abscess
Note: Can occur in any organ in the body. The process of repair and scarring is occurring more rapidly in the tissue around the site of the abscess
What type of acute inflammation will result in Erosion? A. Abscess B. Ulcer C. Fistula D. Chronic Inflammation
B. Ulcer - pain and hemorrhaging
Erosion will occur due to the mucosa layer is lost. Deeper tissue loss can also occur.
What is the term called when the lumen or the GI tract has hemorrhaging occurring? A. Lumenitis B. Pancretitis C. Peritonitis D. Peripheralitis
C. Peritonitis
Note: This type of inflammation has the following: fibrin, neutrophils, granulation tissue and fibrosis
What type of fistula involves skin to colon inflammation, such as colon cancer or inflammatory bowel disease?
A. Extracutanous
B. Enterocutaneous
C. Intracutaneous
B. Enterocutaneous
True or False. When there is loss of tissue in an organ not capable of regeneration, this is referred to as loss of function?
True.
Which of the following do macrophages produce during a chronic inflammation? A. PDGF B. TNF C. IL-1 D. NO E. All of the above
E. All of the above
Note: PDGF is produced by both activated Lymphocytes(Most commonly produced during chronic inflammation) and Macrophages
When does the timeline of scarring start? A. 2 hours B. 12 hours C. 24 hours D. 48 hours
C. 24 hours
When does granulation tissue become formed? A. 1 - 2 days B. 3 to 5 days C. 7 to 10 days D. 14 to 21 days
B. 3 to 5 days
The term granulation tissue indicated a proliferation of fibroblasts, a new thinned walled vessels and loose extra cellular matrix
During scarring, when does edema and inflammatory cells are finally absent? A. 1 week B. 2 weeks C. 3 weeks D. 4 weeks
B. 2 weeks
Note: At 1 month, the inflammatory infiltrate is absent and the scar consists of collagen. The collagen strengthens over the next few months.
What does regeneration mean?
A. Regeneration of cells combined with scarring and fibrosis
B. Reducing the wound by 5 to 10% due to contraction of myofibroblasts
C. Complete replacement of damaged cells with no scar formation
C. Complete replacement of damaged cells with no scar formation
What is wound contraction?
A. Regeneration of cells combined with scarring and fibrosis
B. Reducing the wound by 5 to 10% due to contraction of myofibroblasts
C. Complete replacement of damaged cells with no scar formation
B. Reducing the wound by 5 to 10% due to contraction of myofibroblasts.
What is healing?
A. Regeneration of cells combined with scarring and fibrosis
B. Reducing the wound by 5 to 10% due to contraction of myofibroblasts
C. Complete replacement of damaged cells with no scar formation
Regeneration of cells combined with scarring and fibrosis
Dehiscence will cause which of the following? A. Collagen regeneration B. Regeneration Histiocytes C. Paralysis of organ D. Decrease in healing
D. Decrease in healing
Dehiscence is unintentional reopening of the wound, often due to pressure or torsion.
Which of the two will cause excessive scar formation?
A. Hypertrophic scars
B. Dehiscence
C. Keloid Scars
A. Hypertrophic scars
C. Keloid scars
What type Allergy mechanism involves Pollen, Dust, Mold and Animal dander? A. Skin Contact B. Inhalation C. Ingestion D. Injection
B. Inhalation
What type of Allergy mechanism involves Poisonous plants? A. Skin Contact B. Inhalation C. Ingestion D. Injection
A. Skin contact
Note: Animal scratches, Pollen and Latex are also involved
What type of Allergy mechanism involves Bee stings and Medication? A. Skin Contact B. Inhalation C. Ingestion D. Injection
D. Injection
What type of Allergy mechanism involves Medication or Nuts and shellfish? A. Skin Contact B. Inhalation C. Ingestion D. Injection
C. Ingestion
What type of hypersensitivity involves immune complexes are deposited in tissues? A. Type 1 B. Type 2 C. Type 3 D. Type 4
C. Type 3
Note: Polymorphonuclear cells are attracted to the site. Also, they release lysosomal enzymes, causing tissue damage.
What type of hypersensitivity involves T-Lymphocytes? A. Type 1 B. Type 2 C. Type 3 D. Type 4
D. Type 4
Note: Lymphocytes are always involved in the memory based immune response
What type of hypersensitivity involves degranulation and release of mediators? A. Type 1 B. Type 2 C. Type 3 D. Type 4
A. Type 1
Note: IgE is the antigen induced antibody.
What type of hypersensitivity leads to antigens on a cell surface combine with IgG and leads to complement mediated lysis of the cell? A. Type 1 B. Type 2 C. Type 3 D. Type 4
B. Type 2
What type of hypersensitivity has the largest time of onset? A. Type 1 B. Type 2 C. Type 3 D. Type 4
C. Type 3 - 2 to 3 weeks
Note: Shortest time would be Type 1, which is within minutes. Type 1 may resolve within 30 to 60 minutes
What is exaggerated IgE mediated immune response? A. Allergy B. Atrophy C. Atopy D. Autopsy
C. Atopy - Type 1 hypersensitivity
Note: Allergy –Exaggerated immune response to antigen regardless of mechanism
A pt comes in complaining he has been sneezing and has nasal congestion in the past few days and it's occurring in the month of July. What could be the inhaled substance? A. Weed pollens B. Tree pollens C. Olive's pollens D. Grass Pollens
D. Grass pollens (Bermuda grass and Timothy grass)
A pt complains of allergies, but doesn't know what it is. She was recently on a hiking trip during her spring break, what could she be allergic too? A. Weed pollens B. Tree pollens C. Mango pollens D. Grass pollens
B. Tree pollens
Your pt complains of raking leaves just prior to Halloween night and has sneezing and mucous is everywhere. What could this individual be allergic too? A. Weed pollens B. Tree pollens C. Olive's pollens D. Grass Pollens
A. Weed pollens
A pt complains of wheezing and dyspnea, where in the respiratory tract are the symptoms occurring from? A. Upper respiratory tract B. Mouth C. Middle respiratory tract D. Lower respiratory tract
D. Lower respiratory tract
Note: To differentiate from anaphylaxis is by noting wheezing and stridor
A pt comes in for an eye exam and complains of itching around the eyelids. After asking multiple questions, you find out there are rashes on the arms and behind their legs. A. Contact Dermatitis B. Dyshidrotic Dermatitis C. Nummular Dermatitis D. Atopic Dermatitis
D. Atopic dermatitis
Children - occurs around the cheeks Adults - behind grooves Swelling oozing and crusting Non contagious Fibrin platen is involved in its properties
What is celiac disease associated with? A. Allergies to Gluten B. Allergies to Pollen C. Allergies to Pollution D. Allergies to Kids
A. Allergies to Gluten
Note: Celiac disease occurs when an individual has irritable bowel disorder with association of small intestine irritation
With atopic dermatitis, what is associated diagnostic marker of this allergy that shows multiple fold below the inferior eyelid? A.Urticaria B. Werner's spots C. Vossius sign D. Dennie Morgan lines
D. Dennie Morgan lines
Note: This is usually caused by edema of the lower eye lid
What are the two contraindications of administering epinephrine? (Pick 2) A. Pt on A2 agonists B. Pt on Beta Blockers C. Pt of PG analogs D. Pt on Lisinopril
B. Beta Blockers
D. Pt on Lisinopril
Note: A cardiac pt should not be given an epi pen
Which of the following is involved in Bradycardia? A. 101 BPM B. 150/90 C. 120/80 D. 50 BPM
D. 50 BPM
Note: This will most likely be associated with a vasovagal response.
Which of the two most likely is indicative of anaphylaxis?
A. Tachycardia
B. Bradycardia
A. Tachycardia
Which CN stimulates a vasovagal syncope due to the instillation of Fluress? A. CN 7 B. CN 8 C. CN 9 D. CN 10
D. CN 10
Note: CN 10 will cause bradycardia
Which of the following is not a symptoms of syncope? A. Feeling dizzy B. Sudden sweating C. Vomitting D. Poor verbal response
C. Vomitting
Note: That syncope is associated with bradycardia.
Which of the following is not associated with Cytotoxic hypersensitivity? A. Transfusion reactions B. Myasthenia Gravis C. Grave's disease D. Hyper acute graft reactions E. Pernicious Anemia F. None of the Above
F. None of the above.
Note: Type 2 occurs when an antibody binds to antigen on a cell surface
What type of hypersensitivity responds to inflammation based on circulation of antigen-antibody complexes? A. Type 1 B. Type 2 C. Type 3 D. Type 4
Type 3
Note: 4 to 10 days after the exposure, can be chronic and is a complement system. Autoimmune diseases (SLE, RA) and Serum sickness are associated with Type 3
Which of the following is not associated with a Granuloma? A. Infiltrate B. B cell C. T cell D. Macrophage
B. B Cell
Note: A chalazion is a Granulomatous based infection and a Granuloma is associated with Type 4 hypersensitivity.
Which, 2, are correct in regards to allergies?
A. Latex is a Type 4 reaction and the chemicals from Latex are a Type 1 reaction.
B. Latex and its chemicals are Type 1 reactions.
C. Latex is a Type 1 reaction and the chemical from Latex are Type 4 reactions
D. Latex and its chemicals are a type 4 reaction.
C. Latex is a type 1 reaction and the chemical from Latex are Type 4 reactions.
Note: The chemicals are from the manufacturing process
Contact dermatitis is associated with surgery wear type of hypersensitivity? A. Type 1 B. Type 2 C. Type 3 D. Type 4
D. Type 4
What type of hypersensitivity is Steven Johnson syndrome? A. Type 1 B. Type 2 C. Type 3 D. Type 4
D. Type 4
When an pt comes in and complains of green mucous coming out of their nose, what kind of infection could this likely be? A. Fungal B. Parasitic C. Autoimmune D. Bacterial
Bacterial
Symptoms a pt displays are: Night sweats, weight loss, fever and hemoptysis. What could this problem be? A. Bronchitis B. Lung Cancer C. TB D. Pneumonia
C. TB
Note: Hemoptysis means that blood is being coughed up.
A pt shows up with symptoms of a chronic cough for over 6 months and recently has started to find small amounts of blood in the cough. You as a doctor notice this to be the most common type of association between cough an blood. What is it?
A. TB
B. Bronchitis
C. Lung Cancer
B. Bronchitis
True or False. Lung cancer will usually show less amount of blood in the cough than TB.
False. Lung cancer will display higher amount of blood loss
What are two facts correct about wheezing? Pick 2 A. Noticeable breathing IN B. Noticeable breathing OUT C. Could be life threatening D. Associated with allergies and asthma
B. Noticeable breathing OUT
D. Associated with allergies and asthma
Note: Stridor could be LIFE THREATENING and is noticeable on breathing INWARDS
Where would you find the defect if a pt shows signs of clubbing of fingers and toes due to the affects of hypoexemia?
A. Reduced arterial resistance
B. Increase venous pressure
A. Reduced arterial resistance
This is due to respiratory insufficiency, which causes increased cardiac output, increased blood volume, hematocrit and viscosity.
Note: Increased venous pressure will lead to RIGHT HEART FAILURE
What are the ocular manifestations of hypoexemia, which is associated with COPD and Cystic fibrosis? A. Dusk ones of conjunctival vessels B. Dilation of conjunctival vessels C. Dilation of retinal arteries D. Dilation of retinal veins E. All of the above
E. All of the above.
What are the ocular manifestations related to hypoexemia, in regards to Congenital Cyanotic Heart Disease?
A. Dilated Conjunctival vessels
B. Conjunctival And Optic Disc edema
C. Dilation of retinal veins and arteries
D. Retinal hemorrhages
E. All of the above
E. All of the Above