Patho Final Exam Flashcards
1
Q
- Lymph Node Function
- Thymus Function
- T-cell origin
- T-cell function
- Largest Lymphatic Organ
A
- drain body tissues and return to the blood as plasma
- enable lymphcyte to develop in to T cells
- T-bone marrow, mature in the thymus
- Attack foreign or abnormal cells
- Spleen
2
Q
- Function of the Spleen
- Function of the Tonsils
- How are antibodies used?
A
- Macrophages, cell debris, process hemoglobin
- protect against airborne/ingested pathogens
- B-cells in response to antigen, 1 set of Ig
3
Q
- IgG
- IgA
- IgM
- IgE
- IgD
A
- Antibacterial/Viral. 80-85% of plasma antibodies
- Body surfaces, respiratory/GI tract
- FIRST responder, too large to cross membrane
- Mast Cells–> histamine/heparin
- B cells, antigen receptor (breaks down)
4
Q
- Neutrophils
- Eosinophils
- Basophils
- Monocytes
- Macrophages
A
- 60% WBC, phagocytosis
- Parasitic, Allergic, Lung/Skin Infections
- Release histamine, Contain Heparin
- Devour invading organisms
- Migrate to tissue to devour, inflammation
5
Q
- Allergy
- Autoimmunity
- Alloimmunity
A
- anything NOT found in the individual
- Does not recognize own antigens- Tcells damage tissue
- attacks transplanted tissue/fetus. Own species
6
Q
Hypersensitivity
- IgE mediated
- Tissue/Cytolytic/Cytotoxic
- Immune Complex Mediated
- Cell Mediated
A
- Anaphylaxis, Penicillin, basophils–> release histamine
- IgM/IgG, Cell lysis, ABO incom, hemolytic anemia
- Anitgen/Antibody complex, vessel walls/tissue, inflammation Arthus, Lupus
- T-Cells, lymphokine, TB dermatitis, transplant rejection
7
Q
- Prostaglandins
- Histamines
- Edema
- 2nd line defense cells
- Activator of inflammation
A
- Inflammation-remove harm
- inc permeability of capillaries to WBCs-infected tissue
- Leakage of plasma proteins
- Mast, dendritic, blood (rbcs, wbcs, platelets, granulocytes)
- Mast cells, closest
8
Q
- Histamin 1
- Histamine 2
- Histamine 3
A
- dilate blood vessels and contract smooth muscle
- stimulate heart rate and gastric secretion
- regulate histamine from neurons
9
Q
- Early phase of inflammation
- Late phase inflammation
- 3rd line of defense/Acquired Immunity
A
- fever, leukocytosis, plasma protein synthesis (8-10days)
- Dense infiltration of lymphocytes & macrophages
- Exposure to various antigens
10
Q
Acquired Immunity Processes
- Antigens/Immunogens
- Humoral Resonse
- Cell mediated Immunity
- B & T together
A
- Binding/Elicits Immune response
- Immediate against bacterial/viral infection
- Rejects transplanted organs–> T cells
- needed for a normal immune response
11
Q
- Active Immunity
- Passive Immunity
- Titer
- Self antigens
- Inflammatory Process
A
- Long-term acuired antibody protection
- Not permanents, trasferred placent–> fetus
- Concentration of antibody
- Doesn’t recognize as immunogenic, TOLERANCE
- Inc WBC, thrombus, macroscopic inflammation, microscopic accumulation of fluid
12
Q
- Inflammation Signs
- Bradykinin
- Leukotrienes
- Lysozymes
- Lymphadenopathy
A
- Heat, hardening, pain, edema, redness
- W/ Prostaglandin, PAIN, permability, smooth muscle contraction
- Histamine like effect, prolonged response, later stage 2nd line
- Body secretions KILL bacteria
- proliferation of lymphocytes and monocytes, enlarged lymph
13
Q
Types of T Cells
- Cytotoxic
- Helper
- Regulatory
- Memory
A
- Disrupts membranes and destroy internal environment
- Help B-cells to mature>release macrophage>activate cytotoxic
- Tolerance-abolish-Autoimmune
- Pattern Recognition
14
Q
- Bacteria
- Virus
- Fungi
- Yeast
- Mold
A
- 1 celled no nucleus reproduce by cell division
- DNA and RNA, no metabolism. Use host cells
- Non photosynthetic microbe asexual has a nuclues. Damage tissue
- Spheres, Facultative anaerobe
- Mutlinucleated aerobic microbe
15
Q
- Interferons
- Cyclosporins
- Complement System
- Infant T-Cell response
- Elderly T-Cell Response
A
- Immunomodulator Agent–>Slow tumor cell division
- Supress production of interferon-y
- Can destroy pathogens directly
- Slow Tcell development-depressed inflammatory function (neutrophils)
- Inc Autoantibodies, Deficient T-cell/Antibody production
16
Q
Complement System
- Classical Pathway
- Alternate Pathway
- Lectin Pathway
- Final Resut
A
- Antibody attaches to antigen > C1 Complex >Serine Protease > C3
- Young C3 and pathogen (innate immunity) > thioester bond > C3
- MCL binds to carbohydrate > C3
- MAC (membrane attack complex)
17
Q
Final Results of the Comlement System
- Opsonins
- Chemotactic
- Anaphylatoxins
A
- Coat the surface of bactera, phagocytized
- Diffuse from site of inflammation phags
- Rapid degranulation of mast cells. Release HISTAMINE
18
Q
Clotting Cascade
- Clotting Cascade Activation
- Activation of Intrinsic Pathway
- Activation of Extrinsic Pathway
- Function of Platelets
- The Liver
A
- Enzymes from a fibrin clot
- Damaged vessel surfaces
- Tissue Injury, Release Thromboplastin factor 3
- hemostatic plugs in blood vessels
- Makes clotting factors
19
Q

A
20
Q
- Thromboplastin
- Life span for RBC
- DIC is marked by
- Thrombocytopenia
- Prolonged Prothrombin Time
A
- Released by damaged endothelial cells
- 120 days
- Clotting and hemorrhage
- Cancerous bone marrow, Sequestration, Infection, Radiation
- Liver cell necrosis, bleed easy
21
Q
- Thrombocytosis
- Thrombocytopahty
- Hematocrit represents
- Erythropoietin
- Polycythemia
A
- too many platelets
- Liver failure SE of NSAIDS
- RBC mass
- Produced by Kidneys from chronic HYPOXIA
- Excessive erythrocyte in the bone marrow COPD
22
Q
- Universal Recipient
- Universal Donor
- Rh +
- Rh -
- Crossmatch Response
A
- AB
- O
- Antigen D Present, can transfusion
- Antigen D Absence, cannot receive Rh+
- RBCs destroyed lysis, agglutination
23
Q
- CD 4 T-Cells
- Seroconversion Process
- Cortisol released by
- Adrenergic Receptors
- Reaction to Catecholamine
A
- HIV destroys this
- Antibody exceeds antigen (prior to process only antigen)
- Adrenal Cortex
- Catecholamines - Norephinephrine, Epinephrine
- Inc HR, Vasoconstriction, Inc oxygen demand, hyperglycemia
24
Q
- Where does catecholamine get released
- TNF
- Who secretes TNF
- Function of TNF
- Blood cancers in children
A
- Adrenal Medulla
- Regulate bone metabolism, osteblast
- Macrophages
- fever, liver secretes for inflammation, can be lethal
- Leukemia, Hodkins, Non-Hodgkins
25
Q
Wound Healing
- Inflammatory Phase
- New Tissue, Fibroblastic
- Remodeling
- Primary Intention Wound
- Secondary Intention Wound
A
- Neutrophils clear the wound of debris
- Seal, Fibrin Clot replaced by scar tissue, 4th day of injury
- Scar tissue is thinner, firm, inelastic
- approximated, closed no dead space
- Tissue loss, require filling of dead space w/connective tissue
26
Q
- Folate
- S/Sx Folate Deficiency
- Iron deficiency
- Iron & RBCs
- Aplastic Anemia Etiology
A
- Required for DNA & RNA synthesis, Bone marrow production of Platelets
- Dysphagia, watery diarrhea, stomatitis, fissures of the mouth
- Hemoglobin deficiency in RBCs
- Microcytic & hypochromic (anemia)
- chronic exposure to viruses, infection autoimmune, allergic states
27
Q
- Pancytopenia -leukemia, aplastic anemia
- Aplastic Anemia Treatment
- Mononucleosis
- Mono relationship
- What should you monitor in mono?
A
- deficient RBCs, WBCs, platelets, arrested development of bone marrow
- Bone Marrow transplant
- B lymphocytes> receptor EBV
- Bacteria, virus, Lymphadenopathy, Hematosplenomegaly, Strep
- Splenic Rupture (LUQ, Left shoulder, Ab)
28
Q
- What is leukemia
- Manifestation of leukemia
- Chronic Myeloid Leukemia
- Patient that might have lymphadenopathy
- Malignant Lymphomas possible linkage
A
- Overcrowding bone marrow with WBCs, decreased everything else
- bone pain, inc hr (low h/h), SOB, pallor, dec cap refill, low BP, WEIGHT LOSS, inc INR, prolonged PTT, BLEEDING
- Philadelphia chromosome
- HIV, syphilis, leukemia, Hodkin TB, Mono
- Mono
29
Q
- Malignant Lymphoma Cells
- Manifestation of malignant lymphoma
- Treatment for Malignant lymphoma
- Splenomegaly
- Splenomegaly indicitave of
A
- RS
- pruritis, drenching night sweats, fever
- chemotherapy, radiation stem cell transplant
- Sequestering of all three blood components (anemia)
- Leukemia, TB, Sphyilis, Thalssemai R. HF, Mono Esophageal Varices, Fungal
30
Q
- Vitamin K deficit
- Outcome of Vitamin K deficit
- Trasmission of Hemophilia
- Etiology of hemophilia
- Factors of DIC
A
- inability to coagulate for synthesis of prothrombin
- impaired hemostasis associted w/ LIVER dysfunction
- X-linked recessive disorder by females to males
- abnormal bleeding, epistaxis
- Infection, OB complications, Neoplastic disease (leuk), necrosis, heat stroke/shock
31
Q
- What happens in DIC
- Treatment for DIC
- Components needed to make RBC
- Intrinsic Factor
- Pernicious Anemia
A
- damage to endothelium, activate X factor, Excess Fibrin, occulsion of organs from thromboembolus formation
- Heparin, oxygen
- Iron, B12, Folate
- secreted by the stomach that enables body to absorb b12
- deficiency of intrinsic factor necessar to absorb b12
32
Q
- Why injections for Pernicious anemia
- How long for injections
- Structure of RBC in Sc.Anemia
- Sickle Cell Crisis
- SCAnemia Diet
A
- Can’t absorb in the GI tract
- every week until deficiency is correctly, monthly for life
- lack of o2 causes cell to make a s shape, Rigid, clumped
- anything that will cause increase need for oxygen
- high calorie, high protien, folic acid supplement
33
Q
- Why vaccines for Sc.Anemia
- Sickling Conditions
- Conditions associated with Sickle Crisis
A
- Absence of normal spleen function
- hemoglobin A replaced w/ hemoglobin S (sensitive to o2 changes)
- vasoocclusive crisis, splenic sequestration, hyperhemolytic, aplastic
34
Q
- Respiratory Acidosis
- Respiratory Alkalosis
- Acids are
- Metabolic Acidosis Etiology
- Metabolic Alkalosi Etiology
A
- Hypoventilation Excess CO2,
- Hyperventilation (compensating HC03 decreases) Similar to m. acidosis
- hydrogen ion DONORS, end product of metabolism
- Kussmauls, hypotension, headache
- vomiting, gastic suction, cardiac dysrythmias, twitching
35
Q
- Order of Compensation Acid/Base Balance
- RAAS controls…
- When renin is released
- What is Angiotensin II
- Aldosterone stimulates…
A
- Buffer, Lungs, Kidneys, Potassium
- reabsorption of sodium
- BP or fluid concentration is LOW
- vasoconstrictor, secretes ALDOSTERONE
- absorb NA secrete K
36
Q
- Where is ADH produced
- What stimulates ADH
- ADH + Aldosterone inc BP
- 3rd spacing
- Risk for 3rd spacing
A
- Hypothalamus
- dehydration or high sodium, decreased blood volume
- Increase Sodium and water
- trapped fluid in interstitial space (nonfunctional), fluid LOSS
- Burn patients, preeclampsia
37
Q
- Osmotic Pressure
- Hydrostatic pressure/Filtration
- HTN and Coronary Disease
- Which cardiac ensymes are affected in MI
- Stimulation of baroreceptors
A
- low concentration to high concentration
- higher pressure to lower pressure
- CDA is loss of oxygen, HTN increase oxygen demand
- Creanin Kinase, NP, Troponins, Myoglobin
- hypoperfusion in MI
38
Q
- Where can MI stem from
- EKG changes MI
- Signs Right sided HF
- Signs Left sided HF
- What type of HF happens first
A
- athrosclerosis, thrmobsis platelet, stenosis
- ST elevated
- Jug vein distention, peripheral edema
- pulmonary edema, paroxysmal nocturnal dyspnea
- Left sided
39
Q
- Asthma
- Chronic Bronchitis
- Emphysema
- Obstructive Lung Disease
- Restrictive Lung Disease
A
- bronchospasma, increase mucus, wheezing, airflow resist
- inflammation, productive cough
- enlargements of acini and destruction of alveolar walls, TISSUE, not mucus
- SOB, exhaling is difficult
- can’t inhale/expand fully, lung stiffness
40
Q
- Cor Pulmonale
- S/Sx Cor Pulmonale
- Pulmonary Edema
A
- chronic hypoxemia, pulmonary HTN, hypertrophy of muscle
- hepatomegaly, RUQ discomfort, weight gain, dyspnea
- sodium water enters the lungs, can lead to ARDS
41
Q
- Arthus define
- Aplastic define
- Kinin system define
A
- Edema-Abscesses-Gangrene
- Ineffective development
- Hormones-BP control-Coag-Pain