human health and diseases Flashcards
who is the father of medicine
hippocrate
blood circulation is discovered by
william harvey
what is health by hippocrate and indian ayurveda
balancing of certain body humors
what are differerent body fluids
black bile [person with fever], yellow bile , cough, blood
what is modern define of health
physical , mental , social well being
health can be affected by
infections , genetic disorders , life style
ourhealth can be maintained by
balanced diet , personal hygene , regular exercise and yoga , awarness , vaccination , disposal , vector control food and watter hygene
what is disease
any change from normal state that caused discomfert and affect the working of organs and system with some sign and symptoms
types of diseases
cogenital and acquired
acquired diseases are categorised into
communicable and non communicable
caracterstics of communicable
spread by pathogens like viruses , bacteria , fungi , etc. and are infectious
examples of communicable
AIDS
characters of non communicable
non infectious and non spreadable
examples of non communicable
cancer , deficiency disorder and drug abbuse
pathogen for typhoid
solmonnela typhis
ways of typhoid to come into the body
to small interstine by contaminated food and waterand migrates to other organs
symptoms of typhoid
fever , headache weekness , stomach pain , interstinal abnormalities and death
classical case of medicine for typhoid
widel test [ mary mallon is typhoid carrier]
pathogen for pneumonia
steptococus pneumoniae , haemophilius influenza
weys of spreading of pneumoniae
by droplets of aerosal infections
infection of pneuminia infect what part of the body
infect alviolie of lungs and alviolie filled with mucous
symptoms of pneumonia
fever[chills] , cough , headache , SEVERE CASES—— lips , hairs turns grey to blue
pthogen for diptheria
coryhebacterium diphtheriae
symptoms for diptheria
fever , throat , suffocaton
pathogen for plaque [black fever]
yersinia pestis
symptoms for plaque
fever , headache , axillary lymph nodes enlargement , red patches on skin
two imp. viral disease
common cold , hepatitis -B
common cold is cauesed by
rihno viruses [group of viruses]
characters of common cold
most infectious human ailments caused through droplets by cough and sneeze last for 3—7 days
symptoms of common cold
nasal cognetion , sore throat , horseness
hepatitisB Spread by
HBV
symptoms of hepatitis B
lever damage , jaundice
two helmenthic disease
ascariasis and eliphantiasis
ascariasis caused by
ascaris lumbicoids [roundworm]
symptoms of ascariasis
intestinal parasites , bleeding , pain ,fevee , anamia , blockage
what cause elephantiasis [filiariasis]
wucherararia [Wbronchofti] [filarial worm]
sympoms of eliphantiais
slow development of chronic inflammation of orgams in which they live . lymph vessels of lower limb blocks. genital organs affected.[sweeled] transmmit by female mosquitos[culex]
name of fungal disease
ringworm
what cause ringworm
microsporum , tricophyton, epidermophyton
charactrs of ringworm
spread from soil , imfected towels and clothes. most common infectious disaase.
symptoms of ringworm
dry , scaly lesions on the skin , nails , scalp , etc
malaria is caused by
plasmodium
malaria causing species of plsmodium
P vivax ————-[60 —65%] P malaria————[1%] P falciparum———-[30—40%]
malignant malaria caused by
P falciparum [most dangerous]
plasmodium enters human body as
sporozoids
plasmodium need how many host with names
2 hosts human ,, female anopheles mosquitos
sexual stage of plasmodium is in
mosquito
asexual stage of plasmodium is in
human
plasmodim sporozoids multiply in
liver cells
when RBC bursts in huma in malaria what toxin release
haemozoin
sporozoids store in what of mosquitos
salivary glands
what are the symptoms of malaria
fever in a gap of 3—4 days
amobiasis [amoboic dysantry] is caused by
entamoeba histolytica [ paracite in the large interstine of humans]
infective stageof amobic dysentry
tetranucleated cyst
amobic dysentry spreaded by
house fly
symptoms of amibiasis
abdominal pain , ceramps , stools with mucus and blood clots
what is immunity
overall ability of the host to fight the disease causing organism conferred by immune system
types of immunity
innate immunity aquired immunity
what is innate immunity
non specific defence present at the time of birth
types of innate immunity
physical barriers [ skin, mucus] physiological barriers [ acid in stomach, tears ] cellular barriers [ leucocytes WBC, polymorphic - nuclear leucocytes {PMNL neutrophills}] cytokine barriers [INTERFERONS, protect non-infected cells from further infections]
aquired immunity is specific to
pathogens
when our body encounters a pathogen for the first time the response is called
primary response
secondary response is also known as
anamnestic response
two lymphocytes present in ourblood
B lymphocytes T lymphocytes
what is the role of B lymph.
to produce antibodies against pathogens
what is the role of T lumphocytes
to help B lymph. to produce antibiotics
discribe the structure of antibodies
have four peptide chains [TWO LIGHT CHAINS] [TWO HEAVY CHAINS]
antibodies is represented by
H2L2
types of antibodies are
IgA IgM IgE IgG
antibodies response is also known as
HUMORAL IMMUNE RESPONSE
TWo types of aquired immune response
antibodies mediated cell mediated
T lumph. is controlling
CMI
WHEN HUMAN organs stop working what is the way to keep a human alive
organ transplantation
what are essential steps before taking the grafts
tissue matching , blood group matching
what is responsible for graft rejection
CMI
WHWN a host is exposed to the sntigens waht kingd of immunity is produced
ACTIVE IMMUNITY
When ready-made immunity is provided to the host its is called
PASSIVE IMMUNITY
WHAT kind of immunity is faster
passive immunity
what antibodies are provided by colostrum
IgA
FOETUS get antibodies from
placenta
what kind of cells are produced by vaccination
B cells and T cells
what are antitoxin
a prepratation of antibodies for toxins
vaccination is a kind of
passive immunity
hepatitis B vaccine is provided by
yeast
what is allergy
the exaggrated response of the immune system to certain antigens in environment is called allergy
antibodies for allergies are
IgE type
symptoms of allergy are
snezzing , watery eyes , running nose , breathing problems
allergy is due to the release of
histamine and serotonine from mast cells
what are the causes of allergies
weak immune system protected environment in the early stages of life
waht is auto immuity
the abilitynto differenciate self from foregin in vertibrates
what is autoimmunity
the ability to differentiate self from foreign in vertebrates
what is autoimmune disease
the body attack self cells
examples of autoimmune disease
rheumatoid arthritis
mane the primary lymphoid organs
bone marrow, thymus,
role of primary lymphoid organs
differentiation maturation and migration
name sec. lymph. organs
spleen , lymph nodes, tonsils , Peyer’s patch in small intestine and appendix
main lymphoid organ
bone marrow
main lymphoid organ
bone marrow
what is the character of the thymus
it gets small with age
spleen a reservoir of
erythrocytes
lymph tissue is also known as
MALT [mucous associated lymphoid tissue]
MALT consists of how much of total lymph tissue in the human body
50% of the total
full form of AIDS
auto immuno deficiency syndrome
syndrome means
a group of symptoms
AIDS first reported in
1981
AIDS killing more then
25 million people
AIDS is caused by
HIV
Full form of HIV
human immuno deficiency virus
HIV is a member of
retroviruses
AIDS spreads by
[a] sexual contact with infected person. [b] trasfusion of contaminated blood and related products. [c] sharing infected needles like in case of drugs abuse. [d] from infected mother to her child through placenta.
AIDS spread through
body fluids
time lag between AIDS infection and symptoms
few months to 5—10 years
HIV attacks
t lumphocytes
symptoms of AIDS
bouts of fever , diarrhoea , weight loss
test for AIDS
enzyme linked immuno sorbent assay [ELISA]
what is the cure of AIDS
NO Cure just prevention
national organisation from AIDS control
NACO [national aids control organisation]
things to be done by goverment for aids prevention
making blood same from HIV use of disposable needles free distribution of condoms controlling drug abuse advocating safe sex
what does the cancer cells do diffrent than normal cells
they loss the ability of contact inhibition
what is contact inhibition
contact with other cells inhibit uncontrolled growth
contact inhibition is shown by
normal body cells
cancerous cells made a cluster of cells called
tumors
what are the two kind of tumors
[1] benign [2] malignant
character of benign cells
they confined to their origin position
malignant cells are a group of prolifirative cells
neoplastic or tumor cells
what are the characters of malignant cell
they move to different locations and cause damge to healthy body cells
what are more dangerous benign cells or malignant cells
malignant cells
waht is metastatis
the property of cancer cells when they move move blood and whereever they accumulate they form tumors
what is the most feared property of cancer
metastatis
waht are the cause of cancer
physical , chemical , bioogical
waht are cancer causing agents called
carcinogens
what are the examples of all the 3 cargogens
[1] PHYSICAL BARRIERS— Xrays , gamma rays , UV rays. [2] CHEMICAL BARRIERS— tobbaco smoke. [3] BIOLOGICAL BARRIERS— genetic causes.
cancer causing viruses are called
oncogenic viruses have genes called viral oncogens
three genes that can cause cancer are
viral oncogenes , cellular oncogenes , proto oncogenes
three genes that can cause cancer are
viral oncogenes , cellular oncogenes , proto oncogenes
cancer can be detected by
*biopsy *histopathological studies of tissues *blood and bone marrow tests for leukemias
detection of internal organs cancer are
- radiography [use of X rays] * ct [computed tomography] * MRI [magnetic resonance imaging]
CT and X rays are doing
3 dimentional imaging
MRI do use
strong mag.field and non ionizing radiations
what are the treatments of cancer
surgery , radiation therapy , immunotherapy
biological response modifiers that destry the tumors
alpha interferons
commonly abused drugs are
opoids , cannabinoids , coca alkaloids
majoritry of drugs are obtauined from
flowring plants, fungi
opoids are bind to
opoid receptors present on CNS and gastrointwestinal tract
characters of heroin [ smack]
it is a diacetylmorphine which is a white , odorless , bitter crystalline compound
heroin is obtained by
acetylation of morphine
morphine is extarcted from
latex of poppy plant [papaver somniferum]
heroin is taken by
snorting ad injections
what is heroin do to the body functions
depresent and slow down body functions
cannabinoids binds to
cannabinoid receptors present in the brain
cannadinoids are obtained from
infloresence of cannabis sativa
diffrent parts of cannabin sativa gives
marijuana , hashish , charas , ganja
cannabinoids are taken as
inhalation , oral injetion
cannabinoids affect
cardiovascular system of the body
coca alkaloids also knouwn as
cocain , coke, , crack
cocain are taken from
coca plant [erythroxylum coca] in south america
what cocain do
interfer ewith neuro tramsmittors dopamine
cocain action on
CNS and cause europia , increased energy , excess dosage cause hallucination
hallucination cause by
cocain , atropa bellandona , dhatura
drugs used as medecine
morphine , barbiturates , amphetamines , benzodiazepines
drugs used as medicine for
depression, insomnia, painkilling , for surgery
what is drug abuse
when the drugs are taken other then medical purposes or more in quantities
tobacco is used more then
400 years
tobacoo is taken as
smoked , chewed , snuff
tobacoo contains
nicoten [ an alkaloid]
what nicotine does to the body
stimulate adrinal gland release anrenaline and non adrinaline into blood which inc. blood pressure and heart rate
what are the diseases that tobacoo do
cancer[lungs , urinary bladder , throat , oral cavity] , bronchitis , emphysema , coronary heart disese , gastic ulcer, inc CO in blood reduce haemoglobin do oxygen deficiency
what is adolesent stage
the period between 12 – 18 years
waht cause youngsters to to take drugs
stress , pressure to exail in exmas,
what happen with inc comsumption of drugs
the tolerance of receptors inc.
waht happen if regular dose of drugs is reduced or stoped
depence is the tendency of the body to menifest a characterstic and unplesent withdrawl syndrom
most common warning signs of drug abuse among youngsters
drop in academic performance, unexplained absence fromschool/college , withdrawl , isolation , depression, fatigue , etc.
why sportmens do drugs
inc. muscle strength , promote agressiveness , inc . atheletic strength
side effects of steroids on females
musculine features, agressiveness , mood swings , depression , abnormal menstrual cycle , enlargement i clitoris ,
side effects of steroids on males
acne, agresssiveness, testicles size inc. , sperm prod. dec.kidney and liver disfunction , etc.
what are the measures shouldbe taken for drug abbusers
[1] avoid undue peer pressure [2] education and councelling [3] seeking help from parents and peers [4] looking for danger signs seeking proffectional and medical help