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Microbiology exam 1
Microbiology exam 1
98
Medical
Graduate
10/28/2011

Additional Medical Flashcards

 


 

Cards

Term
Vaccine: DTP, DTaP
Definition
Type: Killed, toxoid

Organism:
C. diphtheriae (Diptheria)
B. pertussis (Pertussis) (Acellular in DTaP)
C. tetani (Tetanus)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Hib
Definition
Type: Capsular Polysaccharide and protein

Organism: H. influenzae (Bacterial pneumonia, Bacterial Meningitis)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: PCV (Pediatric)
Definition
Type: 7 capsular serotypes

Organism: S. pneumoniae (Bacterial Pneumonia)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: PPSV (Adult )
Definition
Type: 23 capsular serotypes

Organism: S. pneumoniae (Bacterial Pneumonia)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: MCV/MPV
Definition
Type: 4 capsular serotypes

Organism: N. meningitidis (Bacterial Meningitis)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Ty21a, ViCPS
Definition
Type:
Ty21a: Live, attenuated

(Killed no longer recommended or available in the US)

ViCPS: Capsular polysaccharide

Organism: S. typhi (Typhoid Fever)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes (for Travelers)
Term
Vaccine: Y. pestis
Definition
Type: Killed

Organism: Y. pestis (Plague)

Available in U.S.: No

Recommended Vaccine in U.S.: No
Term
Vaccine: AVA
Definition
Type: Toxoid

Organism: B. anthracis (Anthrax)

Available in U.S.: Yes

Recommended Vaccine in U.S.: For high-risk groups only - Military
Term
Vaccine: BCG
Definition
Type: Live, attenuated

Organism: M. tuberculosis (Tuberculosis, TB)

Available in U.S.: No

Recommended Vaccine in U.S.: No
Term
Vaccine: B. burgdorferi
Definition
Type: Osp A flagellar protein

Organism: B. burgdorferi (Lyme Disease)

Available in U.S.: No

Recommended Vaccine in U.S.: No
Term
Vaccine: Vibrio cholerae (O1)
Definition
Type: Oral: subunit toxoid, attenuated bacterium

Organism: Vibrio cholerae (O1) (Cholera)

Available in U.S.: No

Recommended Vaccine in U.S.: No
Term
Vaccine: Rabavert
Definition
Type: Killed

Organism: Rabies

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes, post exposure, or high risk populations (forest rangers)
Term
Vaccine: Fluvirin
Definition
Type: Killed

Organism: Influenza

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Flumist
Definition
Type: live

Organism: Influenza

Available in U.S.: Yes
Recommended Vaccine in U.S.: Yes
Term
Vaccine: IPOL
Definition
Type: killed

Organism: Polio (salk)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Havrix
Definition
Type: killed

Organism: Hepatitis A

Available in U.S.: Yes

Recommended Vaccine in U.S.: For Travelers only
Term
Vaccine: Recombivax HB
Definition
Type: recombinant

Organism: Hepatitis B Virus (HBV)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Gardasil
Definition
Type: recombinant

Organism: Human Papilloma Virus (HPV)

Available in U.S.: Yes

Recommended Vaccine in U.S.: Not Yet
Term
Vaccine: MMR
Definition
Type: Live, attenuated

Organism: Measles, Mumps, Rubella

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Varivax (Proquad w/MMR)
Definition
Type: Live, attenuated

Organism: Varicella Zoster

Available in U.S.: Yes

Recommended Vaccine in U.S.: Yes
Term
Vaccine: Adenovirus
Definition
Type: Live, attenuated

Organism: Adenovirus

Available in U.S.: Yes (Military)

Recommended Vaccine in U.S.: For high-risk groups only - Military
Term
Vaccine: Polio (sabin)
Definition
Type: Live, attenuated

Organism: Polio (sabin)

Available in U.S.: No

Recommended Vaccine in U.S.: No
Term
Vaccine: Vaccinia, dryvax
Definition
Type: Live, attenuated

Organism: Small pox

Available in U.S.: Limited

Recommended Vaccine in U.S.: For high-risk groups only
Term
Vaccine: YF-vax
Definition
Type: Live, attenuated

Organism: Yellow fever

Available in U.S.: Yes

Recommended Vaccine in U.S.: For Travelers only
Term
MHC Class I - Types of HLA
Definition
HLA-A, B and C
Term
MHC Class II - Types of HLA
Definition
HLA-DP, DQ &DR
Term
MHC Class I - Tissue Distribution
Definition
All nucleated cells
Term
MHC Class II - Tissue Distribution
Definition

Antigen Presenting Cells (APC's)

 

Macrophages, B Lymphocytes, and Dendritic cells

Term
MHC Class I - Recognized by...
Definition
Cytotoxic T Lymphocytes (CTL), CD8+
Term
MHC Class II - Recognized by...
Definition
T Helper Cells (TH), CD4+
Term
MHC Class I - Pathogenic Peptides bound
Definition
Endogenous
Term
MHC Class II - Pathogenic Peptides bound
Definition
Exogenous
Term
MHC Class I - Function
Definition
Elimination of viral (abnormal) cells by CTL’s
Term
MHC Class II - Function
Definition
Elimination of extracellular organisms
Term
MHC Class I - Has Invariant Chain?
Definition
No
Term
MHC Class II - Has Invariant Chain?
Definition
Yes
Term
MHC Class I - Contains β2 Microglobulin?
Definition
Yes
Term
MHC Class II - Contains β2 Microglobulin?
Definition
No
Term
Sargramostim (leukine)
Definition
Cytokine: GM-CSF

Indication: Used to boost immunity during chemotherapy

Mechanism of Action: Granulocyte and macrophage development
Term
Filgrastin (neupogen)
Definition

Cytokine: G-CSF

Indication: Used to boost immunity (neutrophils) prior to bone marrow transplant

Mechanism of Action: Granulocyte development

Term
Procrit (epogen)
Definition
Cytokine: EPO (erythropoietin)

Indication: Used to treat anemia

Mechanism of Action: growth factor for Red blood cells
Term
Cells that Secrete: IL-1
Definition

Monocytes, macrophages, B cells, dendritic cells,

endothelial cells

Term
Cells that Secrete:

IL-2, IFN-γ
Definition
TH1 cells
Term
Cells that Secrete:

IL-3
Definition
TH cells
Term
Cells that Secrete:

IL-4, IL-5
Definition
TH2 cells
Term
Cells that Secrete:

IL-6
Definition
Macrophages, TH2 cells
Term
Cells that Secrete:

IL-7
Definition
Bone Marrow /thymic stromal cells
Term
Cells that Secrete: IL-8, IL-10, IL-12, TNF-α
Definition
Macrophages
Term
Cells that Secrete:

IFN-α and IFN-β
Definition
Leukocytes and fibroblasts
Term
Cells that Secrete:

G-CSF and GM-CSF
Definition
Macrophages and TH cells
Term

Target cell and Activity for: IL-1

Definition

Target cells:

1. TH cells

2. Hepatocytes

3. hypothalamus

 

Activity:

1. Costimulatory

2. Acute phase protein induction

3. Fever

Term
Target cell and Activity for:

IL-2
Definition
Target cells:
Activated TH cells and CTL’s

Activity:
Proliferation, enhanced killing
Term
Target cell and Activity for:

IL-3
Definition
Target cells:
Hematopoietic cells

Activity:
Growth factor
Term
Target cell and Activity for:

IL-5
Definition
Target cells:
B cells

Activity:
Activation, class switching to IgA
Term

Target cell and Activity for: IL-6

Definition

Target cells:

1. B cells

2. Hepatocytes

3. hypothalamus

 

Activity: 

1. Differentiation into plasma cells and Ab production

2. Acute phase protein induction

3. Fever

Term
Target cell and Activity for:

IL-7
Definition
Target cells:
B and T cell precursors

Activity:
Differentiation
Growth Factor for Lymphocytes
Term
Target cell or tissue for:

IL-8
Definition
Target cells:
Neutrophils

Activity:
Chemotaxis
Term
Target cell and Activity for:

IL-10
Definition
Target cells:
Macrophages, TH cells

Activity:
Down-regulation of pro-inflammatory response
Term
Target cell and Activity for:

IL-12
Definition
Target cells:
TH cells

Activity:
Promotes differentiation of TH cells into TH1 cells
Term
Target cell and Activity for:

IFN-α and IFN-β
Definition
Target cells:
Infected cells

Activity:
Inhibits viral replication
Term
Target cell and Activity for:

IFN-γ
Definition
Target cells:
Macrophages

Activity:
Activation
Term
Target cell and Activity for:

TNF-α
Definition
Target cells:
Inflammatory cells

Activity:
Induces cytokine secretion, cachexia
Produces Inflammatory response
Term
Target cell and Activity for:

G-CSF
Definition
Target cells:
Bone marrow precursors

Activity:
Granulocyte development
(neutrophils)
Term
Target cell and Activity for:

IL-4
Definition
Target cells:
B cells

Activity:
Activation, class switching to IgE + IgG
Term
Target cell and Activity for:

GM-CSF
Definition
Target cells:
Bone marrow precursors

Activity:
Granulocyte and macrophage development
(Monocytes)
Term
Classical Complement Pathway Deficiencies in C1q, C1r, C1s, C4, C2
Definition
Related Symptoms: 

↑ immune complex diseases, 
↑ infections with pyogenic bacteria
Term
Classical and Alternate Complement Patways

Deficiencies in C3
Definition
Related Symptoms:

Recurrent bacterial infections, immune complex disease
Term
Classical and Alternate Complement Patways

Deficiencies in C5, C6, C7 or C8
Definition
Related Symptoms:

Recurrent meningococcal and gonococcal infections
Term
Deficiencies in complement regulatory proteins: C1-INH Results in overuse of C1, C2, and C4 at mucosal surfaces
Definition

Results in Hereditary Angioedema

Related Symptoms: Chronic edema at mucosal surfaces

Term

Antibody Function:

 

IgG

Definition

[image]

 

Heavy Chain: γ

Complement Activation: Yes

Opsonization: Yes

ADCC: Yes

Crosses Placental Barrier: Yes

Term

Antibody Function:

 

IgM

Definition

[image]

 

Heavy Chain: μ

Complement Activation: Yes

Present on surface of Naive B cells: Yes

Term

Antibody Function:

 

IgA

Definition

[image]

 

Heavy Chain: α

Present on surface of Memory B cells: Yes

Term

Antibody Function:

 

IgD

Definition

[image]

 

Heavy Chain: δ

Present on surface of Naive B cells: Yes

Term

Antibody Function:

 

IgE

Definition

[image]

 

Heavy Chain: ε

Present on surface of Memory B cells: Yes

Trigger MAST cell Granule Release: Yes

Term
Target cell and Activity for:

M-CSF
Definition
Target cells:
Bone Marrow Precursors

Activity:
Essential for neutrophils
Term
MHC Class I - Has TAP1/TAP2 Tunnel proteins?
Definition
Yes
Term
MHC Class II - Has TAP1/TAP2 Tunnel proteins?
Definition
No
Term

Cell Mediated Immunity Effector Cell:

 

Cytotoxic T Lymphocyte (CTL)

 

 

CD Marker?

 

Ag Recognition?

Definition

CD Markers:

TCR, CD3, CD8, CD2

 

Antigen Recognition:

Specific, Uses T Cell Receptor (TCR)

Term

Cell Mediated Immunity Effector Cell:

 

Cytotoxic T Lymphocyte (CTL)

 

 

MHC Recognition required for Killing?

 

Effector Molecules?

Definition

MHC Recognition?

Yes

 

Effector Molecules:

Perforin, granzymes, TNF-β, IFN-γ

Term

Cell Mediated Immunity Effector Cell:

Natural Killer Cell (NK)

MHC Recognition required for Killing?

Effector Molecules?

Definition

MHC Recognition?

No. MHC I recognition inhibits killing

Effector Molecules:

Perforin, granzymes, TNF-β, IFN-γ

Term

Cell Mediated Immunity Effector Cell:

Natural KIller Cell (NK)

CD Marker?

Ag Recognition?

Definition

CD Markers:

CD16, CD56, CD2

Antigen Recognition:

ADCC Specific by IgG; otherwise recognizes lectins

Term

Cell Mediated Immunity Effector Cell:

 

Macrophage

 

 

CD Marker?

 

Ag Recognition?

Definition

CD Markers:

CD14

 

Antigen Recognition:

Nonspecific

Term

Cell Mediated Immunity Effector Cell:

 

Macrophage

 

 

MHC Recognition required for Killing?

 

Effector Molecules?

Definition

MHC Recognition?

No.

 

Effector Molecules:

TNF-α, Enzymes, NO•, Oxygen Radicals

Term
Chronic granulomatous disease
Definition

Molecular Deficits:

Deficiency of NAPDH oxidase, failure to

generate O2 radicals

 

Symptoms:

Recurrent infections with

catalase + bacteria & fungi

Term
Leukocyte adhesion deficiency
Definition

Molecular Deficits:

Absence of CD18: common Beta chains of integrins

 

Symptoms:

Recurrent infections, failure to form pus, omphalitis

Term
Chediak-Higashi syndrome
Definition

Molecular Deficits:

Granule structural defect

 

Symptoms:

Recurrent infection with bacteria, chemotactic & degranulation defects, absent NK, partial albinism

Term
Bruton X-linked hypo-γ globulinemia
Definition

Molecular Deficits:

Deficiency of a specific tyrosine kinase

→ blockage of B-cell maturation

 

Blood Serum Abnormalities:

↓ Ig all classes, no circulating B cells,

pre-B cells in bone marrow normal, normal CMI

Term
X-linked hyper-IgM syndrome
Definition

Molecular Deficits:

Deficiency of CD40L on activated T cells

 

Blood Serum Abnormalities:

- ↑ serum IgM without other isotypes

- Normal B- & T- cells

- extracellular bacteria & opportunistic infections

Term
Selective IgA deficiency
Definition
Molecular Deficits:
Deficiency of IgA

Symptoms:
Repeated sinopulmonary & GI infections
Term
Common variable hypo-γ-globulinemia
Definition

Etiology:

Unknown. Onset late teens

 

Blood Serum Abnormalities:

B cells present in blood, Ig levels ↓ over time, ↑ autoimmunity

Term
Transient hypo-γ-globulinemia of infancy
Definition
Molecular Deficits:
Delayed onset of normal IgG synthesis

Symptoms:
Detected in 5th to 6th month, resolves by 16-30 months, infections with pyogenic bacteria
Term
DiGeorge Syndrome
Definition
Defect:
Failure of formation of 3rd & 4th pharyngeal pouches, thymic aplasia

Molecular Deficits:
↓ T- cell #, absence of T-cell responses

Symptoms:
Facial abnormalities, hypoparathyroidism, cardiac malformations
Term
MHC class I deficiency
Definition
Molecular Deficits:
Failure of TAP 1 molecules to transport peptides to ER

Blood Serum Abnormalities:
↓CD8+ T cells,
CD4 + cells normal,
normal DTH, normal Ab

Symptoms:
recurrent viral infections
Term
MHC class II deficiency
Definition
Molecular Deficits:
Failure of MHC class II expression, defects in transcription factors

Blood Serum Abnormalities:
Deficient in CD4 cells, no GVHD,
↓ Igs,

Symptoms:
Severe Combined Immunodeficiency (SCID)
Term
Severe Combined Immunodeficiency (SCID)

Total Absence of B and T Cells
Definition
Molecular deficits:
Rag1 and/or rag2 gene nonsense mutations

Symptoms:
Chronic diarrhea, skin, mouth & throat lesions, opportunistic infections,↓ circulating LC, cells unresponsive to mitogens

Mutation of only 1 gene (RAG 1 or 2) results in less severe symptoms.
Term
Severe Combined Immunodeficiency (SCID)


Functional T- & B- cell deficiency
Definition
Molecular deficits:
1. Defect in common γ of IL-2 receptor (present in receptors for IL-4, 7, 9, 15), X-linked

OR

2. Adenosine Deaminase ADA) deficiency

Symptoms:
Chronic diarrhea, skin, mouth & throat lesions, opportunistic infections,↓ circulating LC, cells unresponsive to mitogens
Term
Wiskott-Aldrich syndrome
Definition
Molecular Deficit:
Defect in cytoskeletal glycoprotein,
X-linked

Clinical Manifestations:
↓ response to bacterial polysaccharides, ↓ IgM, gradual ↓HMI and CMI, thrombocytopenia and eczema
Term
Ataxia telangiectasia
Definition
Molecular Deficits:
Defect in kinase involved in cell cycle

Clinical Manifestations:
Ataxia, telangiectasia, deficiency of IgA, IgE
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