GENERAL PATHOLOGY MIDTERM Flashcards
Condition where the PITUITARY GLANDS FAILS TO PRODUCE SUFFICIENT AMOUNTS of one or more hormones.
HYPOPITUITARISM
what are the HORMONES AFFECTED OF HYPOPITUITARISM?
- growth hormone - SLOW GROWTH
- thyroid-stimulating hormone (tsh)
- adrenocorticotropic hormone (acth)
- gonadotropin deficiency
- Extreme height (GIGANTISM) because of sudden acceleration for children,
.- enlarged jaw bones, hands, forehead and feet, teeth spaced widely.
this is physical manifestation of what disorder?
HYPERPITUITARISM
weight gain, skin changes, muscle weakness, bone problems, hypertension, diabetes or high blood sugar:
are manifestation of what disorder?
CUSHING SYNDROME
skin hyperpigmentation, vision problems, headaches, pituitary hormone deficiencies
are manifestations of what disorder?
NELSON SYNDROME
tumors arising from gonadotroph cells in the pituitary gland.
LH and FSH hormone production.
GONADOTROPH ADENOMA
it is a type of pituitary tumor that typically causes an overproduction of the hormone prolactin. they are the most common type of pituitary adenoma
LACTOTROPH
it MAKE EXCESS THYROID stimulating hormone (TSH) and are very rare
TYROTROPH
excess TSH results in excess thyroid hormone, which causes a condition called ____________ and speeds up metabolism
HYPERTHYROIDISM
a condition characterized by EXCESSIVE URINATION (polyuria) due to and inability of the kidney to reabsorb water properly from the urine
DIABETES INSIPIDUS
ARE SMALL GLANDS BEHIND THE THYROID
PARATHYROID GLANDS
an autonomous overproduction of parathyroid hormone
PRIMARY HYPERPARATHYROIDISM
overproduction of parathyroid hormone in response to chronic low calcium levels
SECONDARY HYPERPARATHYROIDISM
regulates calcium levels in the body, become overactive and produce excessive amounts of parathyroid hormone
TERTIARY HYPERPARATHYROIDISM
Insufficient production of parathyroid hormone, leading to low calcium levels in the blood
HYPOPARATHYROIDISM
muscle cramps and spasms, tingling and numbness, seizures, dry skin, brittle nails, hair loss, cataracts, dental issues
are physical manifestations of what disorder?
HYPOPARATHYROIDISM
rare autosomal dominant genetic condition associated primarily with resistance to the parathyroid hormone
PSEUDOHYPOPARATHYROIDISM
Condition in which thyroid gland DOES NOT PRODUCE ENOUGH THYROID HORMONES
HYPOTHYROIDISM
fatigue, weight gain, cold intolerance
are physical manifestations of what disorder?
HYPOTHYROIDISM
Severe hypothyroidism resulting in decompensated metabolic state and mental status change.
MYXEDEMA COMA
INFLAMMATION OF THE THYROID GLAND.
THYROIDITIS
mild hyperthyroidism, goitrous enlargement of the thyroid gland
SUBACUTE LYMPHPOCYTE THYROIDITIS
autoimmune disorder that occurs when your body’s immune system MISTAKENLY ATTACKS your thyroid gland.
GRAVES DISEASE
bulging eyes, goiter, sweating, palpitations. insomnia, agitation.
are physical manifestations of what disorder?
GRAVES DISEASE
what is the medical term of bulging eyes?
Exophthalmos, also known as proptosis
caused by an ABNORMALITY IN AND INDIVIDUALS DNA
GENETIC DISORDER
basic unit of heredity, located in on chromosome.
GENE
long continuous strand of DNA that carries genetic information
CHROMOSOME
specific genetic makeup of the individual
GENOTYPE
alternative version of gene
ALLELLE
outward characteristics of the individual
phenotype
same allelles for a given characteristic
HOMOZYGOUS
different allelles, one from the father and one from the mother
HETEROZYGOUS
Entire heredity information encoded in the DNA of a organism
GENOME
fundamental process for life.
MITOSIS
type of cell division that creates egg and sperm cells
- ensures that humans have the same number of chromosomes
MEIOSIS
what are the 2 types of cell division?
MITOSIS AND MEIOSIS
molecular basis for inheritance.
DNA
matching each other in the center to form what look like rungs on a twisted ladder
NUCLEOTIDES
individuals with this diseases have a 50-50 chance of passing the mutant gene and therefore the disorder onto each of their children
- carries single mutant gene
AUTOSOMAL DOMINANT
- carries two copies of mutant gene
AUTOSOMAL RECESSIVE
disorder are caused by mutations in genes on the X chromosomes.
X LINKED DOMINANT
In this type of inheritance males are affected, but females can be carriers.
X LINKED RECESSIVE
genetic disease where a large part of the genetic code has ben disrupted
CHROMOSOME DISEASE
aka TRISOMY 21, condition in which extra genetic material causes delays in the way a child develops both mentally and physically
DOWN’S SYNDROME
aka trisomy 18, there is an extra chromosome with the 18th pair. this syndrome affects all systems of the body
EDWARD’S SYNDROME
uncommon and unusual heredity disorder which is cause by a DELETION OF CHROMOSOME
CRI-DU-CHAT SYNDROME
what percentage of autoimmune diseases affect women?
80%
is the immune systems non-reactivity to the body’s own tissues.
IMMUNE TOLERANCE
occurs when a viral or bacterial peptide resembles a self peptide, leading to immune attack on both
MOLECULAR MIMICRY
activation of new autoreactive B and T- cells due to exposure to different parts of a protein during tissue damage.
EPITOPE SPREADING
occurs when dendritic cells activate both viral and autoimmune cells due to inflammation
BYNSTANDER ACTIVATION
refers to the disease affecting multiple organs in the body.
SYSTEMIC
these are antibodies that target nuclear material in cells, and they are present in almost all cases of lupus
ANTINUCLEAR ANTIBODIES (ANA)
occurs when antigen-antibody complexes deposit in tissues, causing inflammation and tissue damage
TYPE 3 HYPERSENSITIVITY
Name a key environmental trigger for lupus
UV RADIATION
which can damage skin cells and lead to the release of nuclear antigens
UV RADIATION
it is a BUTTERLY RASH on the cheeks
MALAR RASH
chronic , plaque-like rash in sun-exposed areas
DISCOID RASH
immune complexes cause inflammation in the kidney’s glomeruli
DIFFUSE PROLIFERATIVE GLOMERULONEPHRITIS
antibodies that are specific with lupus and help with diagnosis
- ANTI-SMITH
- ANTI- DSNA
- ANTI-PHOSPHOLIPID
it’s a condition where antiphospholipid antibodies cause blood-clotting, increasing the risk of thrombosis and stroke.
ANTIPHOSPHOLIPID SYNDROME
corticosteroids and immunosuppressive drugs
are general treatment for what disease?
LUPUS
an autoimmune, systemic inflammatory disease primarily affecting the joints, with potential involvement of the other organs like the SKIN, LUNGS, AND HEART
RHEUMATOID ARTHRITIS
mainly the small joints like the wrist, hands, and feet but it can progress to large joints like knees, shoulders, and elbows
are typically affected of what disease?
RHEUMATOID ARTHRITIS
conversion of arginine to citrulline in proteins.
CITRULLINATION
T-cells, B-cells, rheumatoid factor, anti-cyclic citrullinated peptide (anti-ccp) antibodies
are immune cells and antibodies are involved in what disease?
RHEUMATOID ARTHRITIS
THICKENED synovial membrane with inflammatory cells that destroys cartilage and bone
PANNUS
fever, fatigue, anemia, lung fibrosis, vasculitis, and rheumatoid nodules
are symptoms/physical manifestations of what disease?
RHEUMATOID ARTHRITIS
an autoimmune disorder that causes muscle weakness by attacking the neuromuscular junction
MYASTHENIA GRAVIS
binds to receptors on muscle cells to trigger muscle contraction
ACETYLCHOLINE
young females in their 20s and 30s, and older males in their 60s and 70s
are most demographic commonly affected by what disease?
MYASTHENIA GRAVIS
is a TUMOR IN THE THYMUS GLAND, often associated with myasthenia gravis
THYMOMA
muscle weakness, drooping eyelids, double visions, difficulty walking, and trouble swallowing or speaking
are common symptoms of what disease?
MYASTHENIA GRAVIS
life-threatening condition where muscle weakness affects the respiratory muscles, leading to difficulty breathing.
MYASTHENIC CRISIS
what imaging study is used to check for thymoma in myasthenia gravis patients?
CT scan and MRI of the thorax
inherited immunodeficiency where both T-cells and B-cells mediated immune responses are absent or severely impaired.
SEVERE COMBINED IMMUNODEFICIENCY (SCID)
is a process that creates diverse T-cells receptors
VDJ recombination
genetic disorder caused by the deletion of a small portion of chromosome 7
WILLIAM SYNDROME
how many chromosomes does a typical human cell contain?
46 chromosomes, and 23 pairs
chromosome have short hands called ?
p arms - petite or small
chromosome have long arms called
q arms
links the two arms of the chromosome together and helps in chromosome division during cell replication
CENTROMERE
what type of genetic disorder is color blindness?
SEX-LINKED DISORDER
located on the X chromosome
is the allelle for color blindness dominant or recessive?
recessive, meaning two copies of the allelle are needed for a female to be colorblind
is genetic disorder affecting red blood cells, caused by a mutation in the hemoglobin gene.
SICKLE CELL ANEMIA
is a genetic disorder that affects the blood’s ability to clot, leading to prolonged bleeding
HEMOPHILIA
easy bruising, prolonged bleeding, joint inflammation, nosebleeds, blood in urine, and bleeding in the brain
are symptoms of what disease?
HEMOPHILIA
rare genetic disorder where stem cells mistakenly become bone instead of repairing muscle, ligaments, or cartilage, leading to abnormal bone growth in the wrong places.
Fibrodysplasia Ossificans Progressiva (FOP)
is the growth of bone in places where bone doesnt normally form, like muscles, ligaments, or cartilage
HETEROTOPIC OSSIFICATION (HO)
causes them to turn into bone instead of the other tissue.
ACTIVIN A
disorder that affect hormone production in the pancreas
ENDOCRINE PANCREATIC
leading to absolute INSULIN DEFICIENCY
TYPE 1 DIABETES MELLITUS
INSULIN RESISTANCE and relative insulin deficiency, often associated with obesity.
TYPE 2 DIABETES
insulin resistance due to pregnancy hormones.
GESTATIONAL DIABETES
beta cell tumor that secretes excess, insulin, causing hypoglycemia
INSULINOMA
rare pancreatic alpha-cell tumor leading to excess glucagon secretion
GLUCAGONOMA
originating from delta cells of the pancreas, causing excessive secretion of the somatostatin.
SOMATOSTATINOMA
autosomal dominant disorder with tumors in parathyroid, pancreas, and pituitary glands.
MULTIPLE ENDOCRINE NEOPLASIA TYPE 1 (MEN1)
cause ABNORMALLY LOW ACTIVITY, OVER ACTIVITY or misguided activity of immune system
- dysfunction of immune system
IMMUNE SYSTEM DISORDERS
a COLLECTION OF BIOLOGICAL PROCESSES within organism that protect against disease by identifying an killing pathogens and tumor cells
IMMUNE SYSTEM
defined as the RESISTANCE OF ORGANISM TO INFECTION, disease or other unwanted biological invasion
- defend against foreign component
- based on principle of self and non self
IMMUNITY
- mature in BONE MARROW
- humoral response system
- attack pathogens still circulating in blood and lymph
- produce anti bodies
B CELLS
- mature in THYMUS
- cellular response system
- attack invaded cells
T CELLS
self from non-self antigens
MATURATION
substance produced by the body in response to an antigen are called as antibodies.
- defend the body
ANTIBODY
this is a RESPONSE TO AN INVADER the first time the invader infects the body.
- 10-15 days antibody production
PRIMARY IMMUNE RESPONSE
a MORE RAPID RESPONSE TO AN INVADER the 2nd time it invades the body
- much shorter time period
SECONDARY IMMUNE RESPONSE
ANY FOREIGN SUBSTANCE which when enters the body, elicit body’s immune response
ANTIGEN
which the IMMUNE SYSTEM’S ABILITY TO FIGHT INFECTIOUS DISEASE and cancer is compromised or entirely absent
IMMUNODEFICIENCY
this disorder usually OCCUR FROM INTRINSIC, inherited defects in the immune system. they are usually seen in INFANTS AND YOUNF CHILDREN
PRIMARY IMMUNODEFICIENCY
any factor that interferes with the NORMAL GROWTH OR EXPRESSION OF THE IMMUNE SYSTEM. it generally develop later in life.
SECONDARY IMMUNODEFICIENCY
also term typergammaglobulinemias, are elevated levels of gamma globulin in serum resulting from overproduction
GAMMOPATHIES
is an allergic reaction provoked by re-exposure to a specific type of antigen referred to as an allergen.
- exposure; ingestion, inhalation, injection, direct contact.
type 1- immediate hypersensitivity
involves in OVERPRODUCTION OF ONE CLASS of immunoglobulin’s in response to inappropriate antigenic stimulation
monoclonal gammopathies
involves in OVERPRODUCTION OF VIRTUALLY ALL CLASSES of immunoglobulin’s in response to inappropriate antigenic stimulation
polyclonal gammopathies
is define as the ALTERED REACTIVITY TO A SPECIFIC ANTIGEN that results in pathologic reactions
hypersensitivity
this reaction the ANTIBODIES PRODUCED BY THE IMMUNE RESPONSE BIND TO ANTIGENS on the patients own cell surfaces
type 2- anti mediated hypersensitivity
are OFTEN CALLED DELAYED TYPE as the reaction takes two to three days to develop.
type 4- T cell mediated/ delayed hypersensitivity
are INSOLUBLE IMMUNE COMPLEXES form in the body and are deposited in various tissues
type 3- immune complex hypersensitivity
are MADE AGAINST A PARTICULAR HORMONE RECEPTOR on a hormone producing cell.
type 5- stimulatory hypersensitivity
are GROUP OF DISORDERS in which tissue injury is caused by humoral or cell mediated immune response to self tissues.
AUTOIMMUNE DISEASES