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Comp Exam: 560A > Comp exam Review > Flashcards

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1
Q

Characteristics of disease:

A

A disturbance of structure or function

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2
Q

Symptom?

A

Subjective manifestion, pain

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3
Q

Sign?

A

Objective manifestion, swelling

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4
Q

Pathogenesis?

A

Process of development of disease

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5
Q

Prognosis?

A

Outcome of disease

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6
Q

Describe the inheritance pattern of genes

A

Inheritance patterns differ for genes on sex chromosomes (chromosomes X and Y) compared to genes located on autosomes, non-sex chromosomes (chromosomes numbers 1-22). This is due to the fact that, in general, females carry two X chromosomes (XX), while males carry one X and one Y chromosome (XY). Therefore, females carry two copies of each X-linked gene, but males carry only one copy each of X-linked and Y-linked genes. Females carry no copies of Y-linked genes.

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7
Q

Co-dominant inheritance is

A

Both alleles of a pair fully expressed in heterozygous state. Transmission illustrated by genes responsible for synthesis of sickle (S) hemoglobin

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8
Q

Common chromosomal abnormalities

A

Failure of homologous chromosomes in germ cells to separate (nondisjunction)

Sex chromosome abnormalities

Fragile X syndrome (X-linked mental deficiency)

Autosomal Abnormalities

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9
Q

General causes of cell injury and its response to injury

A

Hypoxia, reduced blood flow (ischemia), inadequate oxygenation of the blood, decreased blood oxygen-carrying capacity.

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10
Q

Inflammatory response Cardinal signs of inflammation, causes of inflammation, the difference between acute and chronic inflammation

A

Nonspecific response to any agent that causes cell injury

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11
Q

Cardinal signs of inflammation

A
  1. Heat and redness: dilated blood vessel 2. Swelling: accumulation of fluid and exudate 3.Tenderness and pain: irritation of nerve endings
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12
Q

Acute vs chronic inflammation

A

An acute inflammation is one that starts rapidly and becomes severe in a short space of time. Signs and symptoms are normally only present for a few days but may persist for a few weeks in some cases.

Chronic: slow onset, can last for years, and is caused by issue death and the thickening and scarring of connective tissue

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13
Q

Role of lymphocytes

A

Act to recognize antigens, produce antibodies, and destroy cells that could cause damage.

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14
Q

The complement system?

A

part of the immune system that enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promotes inflammation, and attacks the pathogen’s cell membrane.

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15
Q

Cellular vs humoral immunity

A

Humoral: Production of antibodies and Main defense against bacteria and bacterial toxins.

Cellular: Formation of a population of lymphocytes that attack and destroy foreign materialb.Main defense against viruses, fungi, parasites, and some bacteria

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16
Q

Immunoglobulin M (IgM): combines with large complex substances; effective in combining with fungi. True or False

A

True

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17
Q

Immunoglobulin G (IgG): principal antibody formed against majority of infectious agents. True or false

A

true

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18
Q

Immunoglobulin A.?

A

Produced by cells in respiratory and gastrointestinal tracts

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19
Q

Immunoglobulin E (IgE)a.Increased in allergic personsb.Attaches to mast cells and basophils. T or F

A

True

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20
Q

4 stages of wound healing:

A
  1. Hemostasis phase
  2. Inflammatory
  3. Proliferative
  4. Maturation
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21
Q

Complications of healing

A

Infections, Osteomyelitis, necrosis, dermatisitis, and edema

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22
Q

Infections with viruses cause various clinical manifestations. Which of the following is NOT a manifestation of a virus infection?
A. The virus damages or destroys infected cells.B. Formation of inclusion bodies in infected cells
C. Production of endotoxins
D. The virus causes proliferation of infected cells.
E. The virus infects cells but causes only an asymptomatic (latent) infection.

A

c

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23
Q

An immunoglobulin found in blood that is a clump of five molecules (a pentamer) is:

A. IgM 
B. IgG 
C. IgA 
D. IgD 
E. IgE
A

A

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24
Q

Autoimmune diseases are caused by __________.

A. autoantibodies
B. non-self-antigens
C. self-antigens
D. cytokines

A

A

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25
Cytokines that send regulatory signals between cells of the immune system are __________. A. interferon B. interleukins C. monokines D. tumor necrosis factors
B
26
Which of the following is NOT a characteristic used to classify bacteria? ``` A. Biochemical and cultural characteristics B. Shape C. Antigenic structure D. Virulence E. Gram-stain reaction ```
D
27
__________ are chemical messengers that take part in any function of the immune system. ``` A. Lymphokines B. Monokines C. Cytokines D. Interleukins E. natural killer cells ```
C
28
________ immunity is characterized by the formation of a population of lymphocytes that can attack and destroy the foreign material. ``` A. Acquired B. Humoral C. Cell-mediated D. Hypersensitive E. Innate ```
C
29
__________ immunity is associated with the production of antibodies that can combine and eliminate the foreign material. ``` A. Acquired B. Humoral C. Cell-mediated D. Hypersensitive E. Passive ```
B
30
Most of the lymphocytes in the circulation would be classified as what? ``` A. T lymphocytes B. B lymphocytes C. Neither T nor B lymphocytes (natural killer cells, also called NK cells) D. Macrophages E. Mast cells ```
A
31
John Jones was exposed to a person who was ill with an infectious disease, and John received an injection of globulin to provide protection against the infectious agent to which he was exposed. What is the class of antibody in the gamma globulin that provides the protection? ``` A. IgG B. IgA C. IgM D. IgD E. IgE ```
A
32
One method the body uses to destroy bacteria is by forming a membrane attack complex that produces perforations in the walls of bacterial cells and enveloped viruses, there by causing their destruction. What is the substance producing the membrane attack complex? A. Interferon B. Lymphokines produced by T lymphocytes C. Gamma globulin produced by B lymphocytes D. Complement E. Antibodies
D
33
True or False? Our normal bacterial flora (in oral cavity, vagina, etc.) help protect us from infections by inhibiting potentially pathogenic microorganisms that attempt to grow in regions of our body occupied by our normal flora.
True
34
True or False? The immune defenses of the host are activated as viruses that invade cells produce new antigens and the body recognizes these cells as foreign.
TRUE
35
X-linked inheritance is?
Male affected if carrying X chromosome containing defective gene2.Female may be carrier but is unaffected
36
Autosomal recessive inheritance
Gene expressed only in homozygous individualb.Both parents must carry abnormal gene to transmit: 1:4 chance infant is homozygous for defective gene example: Phenylketonuria
37
Autosomal dominant inheritance
Gene expressed in heterozygous stateb.If either parent carries abnormal dominant gene: 1:2 chance offspring will receive abnormal gene
38
Benign vs malignant tumor
Begin: Slow growth rate and remains localized Malignant: rapid growth rate and Metastasis by bloodstream or lymphatics
39
What is true of Leukemia? 1. neoplasm of blood-forming tissues 2. Usually does not form solid tumors 3. Proliferates diffusely within bone marrow 4. Overgrows and crowd outs normal blood-forming cells 5. Neoplastic cells spill over in the bloodstream 6. Large number of abnormal cells circulate in peripheral blood 7. ALL
7
40
Valvular Heart Disease
A.Rheumatic fever and rheumatic heart diseasea.Complication of group A beta-streptococcal infection (streptococcal sore throat and scarlet fever) b.Form anti-streptococcal antibodies against strep antigens that cross react with similar antigens in tissues; antigen-antibody reaction causes fever and injures connective tissuesc.Fever and inflammation of connective tissue throughout body, especially heart and jointsd.Acute arthritis involving multiple joints and inflammation of heart
41
Congenital heart disease cause
Faulty pump construction
42
How blood coagulates
Phase I: prothrombin activator generateda.Intrinsic system: components derived from bloodb.Extrinsic system: tissue injury yields tissue thromboplastin1)Both pathways activated at same time2)Both pathways interact to initiate the blood clotting process Phase II: conversion of prothrombin into thrombina.After thromboplastin interacts with other substances to form prothrombin activator Phase III: conversion of fibrinogen into fibrin by thrombina.Thrombin splits off a part of the fibrinogen, forms smaller molecules, fibrin monomers
43
Coagulation disorders:
Hemophilia A: Classic Hemophilia = Factor VIII (anti-hemophilic factor) most common Hemophilia B: Christmas disease (after affected patient) = Factor IX (Christmas factor) von Willebrand’s disease: Large protein molecule produced by endothelial cells required for platelets to adhere to vessel wall at site of injury
44
Thrombosis
Blood clots in leg veins
45
Embolism
Blocks major artery or branch
46
What is the difference between systemic and essential hypertension?
Systemic: high blood pressure in the systemic arteries - the vessels that carry blood from the heart to the body's tissues Essential: Primary hypertension with no known cause.
47
Secondary hypertension is?
Results from a known disease or condition
48
Vein diseases include which: - venous thrombosis - inflammation of veins - excessive dilation of veins - all
ALL
49
Arteriosclerosis definition
Plague accumulates around heart
50
Thrombophebitis is inflammation of the________ associated with thrombosis
vein
51
Whats one cause of congestive heart failure?
Insufficent blood flow to the heart
52
Cause of myocarditis?
Parasites, hypersensitivity, or other pathogens
53
Rheumatic heart disease is described as
Complication of group A beta-streptococcal infection (streptococcal sore throat and scarlet fever) b. Form anti-streptococcal antibodies against strep antigens that cross react with similar antigens in tissues; antigen-antibody reaction causes fever and injures connective tissuesc. c. Fever and inflammation of connective tissue throughout body, especially heart and joints d. Acute arthritis involving multiple joints and inflammation of heart
54
Ischemic heart disease is described as
Reduced blood flow to the heart caused by narrowing of the arteries.
55
Signs and symptoms of pneumonia:
Feeling il, .Elevated temperature, Increased white blood cell count, Cough, Purulent sputumc, Pain on respiration if involves pleura, .Shortness of breath
56
Signs and symptoms of asthma
SOB and wheezing
57
Types of COPD
Inflammation of the bronchioles dilution of air spaces loss of lung elasticity
58
Peptic ulcer increased acid secretions and digestive enzymes erode gastric mucosa. What pathogen is involved?
H. pylori
59
Diff between Chronic;s disease and ulcerative colitis?
Crohn’s disease- .Inflammation primarily of distal ileumb. Seen as: Ulceration of mucosa or Marked thickening and scarring of bowel wall Ulcerative colitisa.Recurrent chronic inflammation of colon and rectum
60
What are 4 causes of liver disease?
drugs chemicals alcohol toxins
61
What are the 5 types of hepatitis
A,B,C,D,E
62
What causes pancreatitis?
Escape of pancreatic juices into the ducts which leads to destruction of acinar and islet tissues.
63
Hepatitis A is what kind of virus and is transmitted thorough what?
RNA Contaiminated food and water and feces
64
Hepatitis B is what kind of virus and is transmitted through what?
DNA Blood and body fluids
65
What are 3 factors that contribute to kidney stones?
1. Increased concentration of salts in urine 2. Infections of urinary tract. 3. Urinary tract obstruction
66
What is the difference between glomerulonephritis and pyelonephritis?
Glomerulonephritis: Inflammation of glomeruli caused by antigen-antibody reaction within glomeruli. Occurs in diabetes Pyelonephritis: Infection of the upper urinary tract (UTIs)
67
Dehydration is caused by what 2 factors?
Excess water loss Inadequate intake in comatose or debilitated patients
68
Overhydration is produced through 3 factors
1. Excessive fluids intravenously or orally 2. Drinking excess water may also dilute body fluids and lead to hyponatremia even in subjects with normal renal function 3. Infants fed water or infant formula diluted with excess water are also at risk of hyponatremia
69
What is ADH's role in dehydration?
lowers osmolarity (reducing sodium concentration) by increasing water reabsorption in the kidneys, thus helping to dilute bodily fluids.
70
Difference between respiratory acidosis and alkalosis
Respiratory acidosis is failure or the lungs, increase in PCO2. pH shifts to acid side. Respiratory alkolisis lowers PCO2, excess of bicarbonate which rises the pH
71
Difference between metabolic acidosis and alkalosis?
Metabolic alkalosis has an increase in bicarbonate which shifts the pH to alkaline. Loss of gastric juices, chloride depletion, access ACH Metabolic acidosis: acids exceeds buffering capacity. Renal failure, ketosis, lactic acidosis.
72
What causes goiter?
Depleted iodine, defiency of thyroid hormone, and increased hormone requirement
73
What is the difference between Cushings syndrome and Addisons
Cushing: Excess production of adrenal corticosteroids Addisons: deficency of steroid hormones
74
What is acromegaly?
excessive secretion of growth hormone
75
What is endometriosis?
Presence of endometrial tissue in abnormal location
76
What is cervical carcinoma?
Abnormal growth of cervical squamous epithelium
77
What is benign prostatic hyperplasia
irregular uterine bleeding
78
Cerebreal aneurysms results from
defect in the muscular tissue of the vessel wall
79
What is the cause of CVA (stroke) ?
Disturbance of blood supply to the brain that results in thrombosis, embolism, or hemorrhage
80
What is the cause of TIA?
Bits of thrombus that break loose from an ulcerated plague and obstructs an artery.
81
Difference between wet and dry stroke?
Wet stroke results from embolism or thrombus. Dry stroke results from hemorrhaging
82
Alzhimer's disease is characterized by progressive failure of
recent memory
83
Multiple sclerosis is characterized by degeneration of the
myelin sheaths of nerve fibers in brain and spinal cord
84
Difference between AD and MS
AD affects elderly and MS affects younger generation
85
Parkingsons disease affects
voluntary muscle, tumor in fingers, and extremities
86
Who does cerebral palsy affect
Newborns, infancy, or preschool
87
Nociception is the sensory nervous system's response to
certain harmful or potentially harmful stimuli.
88
Referred pain is pain
other than actual source
89
Phantom pain is pain
from a body part no longer there
90
Difference between acute and chronic pain
Acute pain is sudden onset whereas chronic persist for weeks
91
What are the 4 types of hemoatovmias of the skull and what are the differences
epidural hematoma: collection of blood outside blood vessel subdural hematoma: collection of blood on surface of brain subarachnoid hemorrhage: bleeding in-between the brain and tissues intracerebral hemorrhage: bleeding inside brain
92
``` Hyperventilation can lead to respiratory alkalosis by : A: Decrease in PC02 B: Increase in PC02 C: Decrease in bicarbonate D: Increase in bicarbonate E: A and D ```
E
93
In respiratory acidosis, the kidneys form additional bicarbonate to restore the pH to the physiologic range. TRUE or FALSE
TRUE
94
``` Metabolic alkalosis caused by excess corticosteroids is frequently accompanied by: A potassium depletion B: sodium depletion C: phosphate depletion D: All of the above ```
A
95
An existing potassium deficiency must be addressed to successfully manage a metabolic alkalosis. A: TRUE B: FALSE
TRUE
96
``` : In cervical dysplasia or carcinoma, localizing and determining the extent of abnormalities in the cervical epithelium requires which procedure? A: Pap smear B: biopsy C: colposcopy D: cryocautery E: hysterectomy ```
C

Comp Exam: 560A (1 decks)

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