random Flashcards
adeno=
glandular
papilloma
mucous membrane
carcinoma
malignant
sarcoma
partially malignant and partially benign
ATP supplies energy to run for how many seconds
4
phosphocreatine supplies energy to run for how many seconds
15 seconds
free circulating glucose supplies energy for how long
4 minutes
how long do glycogen stores last for
77 minutes
how long do fat stores last for
4+ days
what is incidence
no of people that will catch specific disease in a year
prevalence
no of people that currently have that specific disease in that year
prevalence is always higher than incidence true/false
true
metaplasia
change from one mature cell to another
alpha haemolysis
dark green
beta haemolysis
yellow
gamma haemolysis
red
foetal haemoglobin
compromised of 2 alpha and 2 gamma subunits- higher affinity for oxygen than adult hemoglobin
adult haemoglobin
2 alpha and 2 beta subunits
neo-adjuvant treatment
given before surgery to shrink tumour for removal
adjuvant treatment
given after surgery to reduce risk of recurrence
proto-oncogenes
normal genes that stimulate cell division
in cancer, these genes change to oncogenes
tumour suppressor genes
inhibit cell division
liquefactive necrosis
occurs in brain
coagulative necrosis
seen in infarction
caseous necrosis (cheesy)
tuberculosis
unambiguous
each codon specifies a single amino acid or stop codon only
degenerate
a single amino acid coded for by more than one codon
gastric binds to
CCK2 receptors
histamine binds via
H2 receptors
nonsense mutation
premature stop codon
muscarinic receptors in airway smooth muscle cause
constriction
Burkitt’s lymphoma
c-MYC
neuroblastoma
n-MYC
follicular lymphoma
BCL-2
pancreatic cancer
RAS
ovarian cancer
CA-125
which type of HPV causes cervical cancer
types 16 and 18
which type of HPV causes genital warts
types 6 and 11
stroke volume=
EDV-ESV
chronotropic effect
effect on heart rate
inotropic effect
effect on force of contraction
which cell have a kidney shaped nucleus
macrophages
what are found on the cell membranes of macrophages
MHC class II molecules
function of mast cells
destruction of large parasites that cannot be phagocytosed
what junctions are present in the SA node of the heart
gap junctions
male nipple level
T4
artery to measure bp
brachial artery
popliteal pulse
posterior to knee joint
resident cells of cartilage
chondrocytes
anti-platelet drug
aspirin
therapeutic index
measurement of relative safety of a drug
what is an elevated JVP
increased central venous pressure
what is clopidogrel
an antiplatelet
potassium channel activators (eg nicorandil)
anti-anginal
ECG myocardial ischaemia
ST segment depression on exercise
hypertrophic cardiomyopathy
autosomal dominant, mutations in sarcomere genes
flecainide
pill in pocket approach for atrial fibrillation
fat soluble vitamin metabolism
absorbed via micelles
most potent stimulus for inhibition of gastric motility
fat in the duodenum
in screening, the term specificity is defined as
the proportion of those who are negative who actually do not have the disease
progesterone
promotes smooth muscle relaxation (GI)
what lines the abdominal cavity
epithelium
precursor to an enzyme that functions in stomach
pepsinogen
ejection phase of cell cycle
blood from ventricles to pulmonary artery (to lungs) to aorta (to rest of body). Semi-lunar valves open, av valves closed
path of conduction in heart
SA node, AV node, bundle of his, left and right bundle branches, purkinje fibres
normal ejection fraction
60%
Virchow triad
blood flow stasis, hypercoagulability, endothelial injury
location of G-protein couple receptors
cell membrane
where does the hindgut get its blood supply from
inferior mesenteric artery
chief cells
secrete pepsinogen
G cells
release gastrin- gastrin stimulates parietal cells to promote HCL secretion into stomach
myoglobin dissociation curve
a hyperbolic curve
haemoglobin dissociation curve
a sigmoid curve
bohr effect on haemoglobin dissociation curve
sigmoid curve, shifts right
which follows m-m kinetics- haemoglobin or myoglobin?
myoglobin
ALT>3000
likely cause- drug (paracetamol) or ischaemia
lesser sac
a potential space within the peritoneal cavity that is found anterior to the pancreas and posterior to the stomach
stomach
an organ supplied by an anastomotic ring of arteries derived from the coeliac trunk
intracellular organelle is primarily responsible for the digestion of engulfed
bacteria within the phagocytic cells
lysosomes
Golgi apparatus
helps
process and package proteins and lipid molecules
Cardiac myocytes
cellular
structures
ig forming pentamers
serum igM
ig monomers
cell surface igD/igM
sub-cellular organelle where lipids are produced
smooth endoplasmic reticulum
cell wall antimicrobials
penicillins (amoxicillin as an example), glycopeptides (vancomycin as
an example) and cephalosporins (ceftriaxone as an example
Antibiotics that affect nucleic acids
metronidazole and
ciprofloxacin
drugs that target protein synthesis
Aminoglycosides (gentamicin), Tetracyclines (doxycycline/ minocycline) and
Macrolides (Erythromycin)
CD8
cytotoxic T cell marker
CD4
identifies helper T cells
Which group of serum proteins, when deficient, is most likely responsible for the
patient’s increased susceptibility to bacterial infections
complement
chronic inflammatory cells
lymphocytes and plasma cells
granulomatous inflammation
aggregates of histocytes
acute inflammation
neutrophilic
histology- lymphocytes
small purple dots
histology-plasma cells
fried eggs
histology- macrophages
bigger blobby ones
histology- eosinophils
tomatoes with sunglasses
flagella
Protein molecules that extend from the surface of bacteria & generate
movement
anterior rootlets and roots
motor fibres and parasympathetic
posterior rootlets and roots
contain sensory fibres
insulin receptor
kinase-linked receptor
where does the spinal cord end in children and adults
L1/L2
ig that is a dimer
igA
lateral ecg
circumflex, i, aVl, v5-6
anterolateral ecg
left coronary artery, i, avL, v3-6
anterior ecg
left anterior descending, v1-4
legionella
gram negative bacilli
opioids (morphine, codeine)
can cause constipation
stable monomorphic ventricular tachycardia
amiodarone