General Flashcards
What liver cells can turn into myelofibroblasts and make collagen?
Ito (stellate) cells
What does Bevacizumab bind to and what is it’s MOA and common AE?
binds to VEGF and inhibits angiogenesis
can cause wound dehisence
IS club foot a malformation or deformation?
Club foot is a DEFORMATION
(if you have club foot, you started out formed correctly, but got squished-DE-formation)
(malformation are screwed from the start)
What does urine chem look like in DKA?
Urine
pH low
HCO3 Low
H2PO4 HIGH
Fragile X is due to what molecular processes?
hypermethaltion of the FMR1 gene (trinucleotide repeat of >200 CGG)
How to differentiate between “invasive” vs. “colonizing” aspergillosis?
invasive will have more systemic symptoms, more sick, and sEVERELY immune compromised
Colonozing may occur in previous immunocompromised and be asymptomatic or have hemptysis. “fungus balls” on XR
What disease are target RBCs seen in and why
B-thallessmia
due to faulty mRNA formation
What does vWF bind to?
Collagen
Sir von Willebrand went to College
What is the MOA of the fibrates?
reduces hepatic VLDL prpoduction
What drug will increase CO and RBF at low doses and decrease CO and RBF at high doses
Dopamine
ACtin is bound to the structural protein found where?
at the Z line (darkest line on EM)
By what mechanism do eosinophils kill parasites?
Antibody dependent cell mediated cytotoxicity
Which coagulase negative staph likes to stick to implants and cause sickness?
S. epidermidis via an extracellular polysaccharide matrix
How does the respiratory system age?
Not well
lung compliance increases
resp. system overall decrases
physiologic dead space increase
Describe Neimann Pick Disease
Hepatosplenomegaly
Neuro regression
Cherry red
accumulation of sphingomyelin
(same as Tay Sach minus the HSmegaly, defect in B-hexo)
How does flexing the C spine help with swallowing?
displaces larynx superiorly
Where is the SA node?
interatrial septm near opening of coronary sinus
Where does lithium cause it’s effects of frequent urination?
At the collecting duct
What are the s/s of Erlichea?
mulberry inclusions in monocyts
maculopapular rash
white-tailed deer/tick
What are s/s of age-related cataracts?
loss of visual acuity
glares around lights at night
loss of red reflex
Emphysema causes what kind of traction in the airway?
radial traction
how does BP and PP change between ages 50 and 80?
systolic-increases
diastolic-decreases
PP-increases
What type of hepatitis virus affects pregnant women in asia/india, africa and mexico?
hep e (unenveloped RNA virus)
phthris pubis, pubic lice, should be treated with what?
topical permethrin
Why is the CF cl- channel messed up?
due to abnormal post translational processing of transmembrane protein
acute pancreatitis can occur because of activation of what enzyme?
trypsinogen
dofetilide can cause what complication?
polymorphic ventricular tachycardia (and torsades)
In most states, you should report what to public health officials?
HIV diagnoses
Can you date former patients?
no
Is it better to call a pt with bad results, or have a sit down visit?
Visit
What is the idea behind “double effect”
basically, it allows docs to continue to give a morphine drip to a terminally ill patient even at the risk of respiratory depression, sedation and death, because “the intent” wasn’t euthanasia, even if death is the outcome (and desire of the patient)
Should you call the DMV or call the organ tranplant team for a transplant first?
transplant team
Is it ethical to receive gifts from pharma?
medically related are okay, but otherwise no
The Physician Payments Sunshine Act, part of the Affordable Care Act of 2010, mandates the reporting by pharmaceutical and medical device companies of any meals, gifts, or honorariums (as well as many other things of value) provided to physicians. The reporting, which started in 2014, is to the National Payment Transparency Program of the Centers for Medicare and Medicaid Services. Manufacturers are required to report any payment over $10 in value, or payments to an individual that total more than $100 annually. Educational materials and items that directly benefit patients, or are intended to be used by or with patients, are not required to be reported by the Sunshine Act.
how does lowering the test threshold change the sensitivity/specificity?
Ex: if lvier cancer AFP was 500 but dropped to 400, how does the sen/spec change?
Sensitivity increases!
What Act ruled that patients and patient surrogates have the right to remove life sustaining actions ?
Cruzan v. Director
Does Medicare cover some people under 65? in what conditions?
What part covers drug cost?
Yes, all ages of end stage renal disease (requiring dialysis or transnplant), and certain disabilities like ALS
Medicare part D covers Drugs
(A-hospitAl, B-offices visits?)
What is the correlation coefficient?
A value between +1 and -1. The closer to +1, the stronger the positive correlation
In what phase of sleep are K waves and sleep spindles seen?
stage 2
What do you need to remember about spinal cord lesions?
A hemisection of the spinal cord consists of ipsilateral spastic paralysis below the lesion, ipsilateral loss of touch and vibration sensations below the lesion, and contralateral loss of pain and temperature sensations below the lesion.
what drug alters melanin in the iris?
Prostaglandin analogues
A table on sacrum
What is the MOA of Varenicline?
partial agonist of nAch R
What is the term for hearing colors or seeing sounds and what drug can cause it?
Synesthesia, LSD
What muscle and nerve are affected if a pt gets diplopia when they look down?
superior oblque, trochlear n.
If pt had a recent miscarriage, pelvic mass and elevated bHCg, what is one possibility?
theca lutein cyst
What is the cell change in barrets esophagus
columnar replaces squamous, risk of adenocarcinoma
When would you see crescent formation on renal biopsy?
RPGN
linear appearance
sx include nephritic syndrome, ankle swelling, fatigue, all ACUTE onset
Calcium efflux from cardiac cells prior to relaxation is primarily mediated by what?
Na/Ca Xchanger and SERCA
Describe X-linked Agammaglobulinemia?
BTK mutation
sinopulmonary and enteroviruses
Low antibodies, Low B cells
What is the underlying issue:
Woman with progressive dyspnea, RV hypertrophy (>1cm) and sudden death?
Pulmonary arterial hypertension
What are the s/s of Porphyria Cutanea Tarda?
What enzyme is deficient?
What builds up?
blistering on skin/hands
uroporphryinogen decaboxylase deficiency
Uroporphrynogen III
What class of drugs reduces triglyceride levels the most?
Fibrates
acts on PPARa
decreases VLDL synthesis, increases HDL
can cause muscle tox and gallstones
What are some s/s of HPV in the anus?
pain, itching, mass, bleeding
ulcerated lesion
prominent keratinization on hist.
If you want to know if a gene is undergoing transcription, what blot test do you get?
Northern Blot
(SNOW-DROP), transcription is mRNA
If something sounds like HFM, but is only in the mouth, what could it be?
Herpes (HSV1)
dsDNA virus, enveloped
Can bipolar type I diagnoses be made if symptoms have been present for more than 1wk?
What about brief psychotic episode?
Yes
Sx have to last >1 day but <1 month and have to resolve
What two Autoimmune disorders are type II HSN?
Myasthenia Gravis and Goodpasture’s
If someone has central DI that does not resolve after years, what is likely the damaged area?
hypothalamic nuclei
(if it’s in the posterior pituitary, axons tend to regenerate and resolve the dz)
What organ damage occurs with Amphotercin B?
Nephrotoxicity
How does carotid massage improve PSVT?
increases vagal parasympathetic tone which slows conduction through AV node and prolongs refractory period
What is embryologic source is the anterior pituitary made from?
What about the posterior pituitary?
surface ectoderm
neural tube
how does PEEP help in ARDS?
Increases functional residual capacity
helps “prop” up the lungs and keeps everything ventilated well
decreases any V/Q mismatching
increases O2 reserve in the lung
When someone has cerebral edema, the goal is the hyperventilate them. Why?
Dropped PaCo2 due to hyperventilation causes vasoconstriction in the brain which will lower ICP (help with edema)
What is the purpose of snRRPs?
removal of introns from RNA transcripts
What is the disorder if there is a “gap at the tip of the long arm of the X chromosome” ?
Fragile X
“broken X”
What is the risk of a humeral surgical fracture?
avascular necrosis
radial n. injury is more likely in a mid-shaft injury
What is likely seen in acute hypoparathyroidism (iatrogenic removal)?
increased urinary excretion of Ca
pt is hypocalcemic because no more PTH to tell the bones to release Ca, and PTH isn’t around in the kidneys to do reabsorption
also can’t form 1,25 vitamin D
decreased Phosphate reelase from bone as well
All of this is because no PTH
Bloody nipple discharge can be from what?
What is the histology of that?
Intraductal papilloma
intraepithelial cells lining fibrovascular cores
CLL is treated with what class of drug and what is the MOA?
Blc2 inhibitors
increase activity of caspases
What does it mean if there is a large PO2 gradient and normal PCO2
Diffusion impairment
what part of the nephron is impermeable to water?
thick ascending loop of henle
Is strep pyogones catalase + or -?
What does the PY in Pyogenes remind you of?
catalase negative!!
PYR positive!!
What are some s/s of digoxin toxicity?
life threatening arrythymias
color vision alterations
Chron’s disease can lead to bruising. Why?
bile acid malabsorption
leads to defieciency of ADEK
Lack of K leads to bruising/bleeding
Describe Pagets disease of the rbeast and underlying issue?
ezcematous, crusty lesion
can be invasive ductal carcinoma
If it sounds like carpal tunnel syndrome, but tinnels and phalens are negative, what is it?
pronator teres syndrome
Shoulder pain, worse with overhead movement, what muscle is damaged and what movement worsens?
supraspinatus, abduction
Which nreve roots are affected in Klumpke palsy?
C8-T1
described as hyperextension of the metacarpophalangeal joints and hyperflexion of the interphalangeal joints
What is seen on EEG in sleep walking?
delta waves
What happens to REM in narcolepsy?
decreased REM latency
during flexion of the SBS, what is the movement of the paired bones and the midline bones?
paired bones move into ER
midline bones move into F
SBS rises
what do you give for methanol ingestion and what is it’s MOA?
Fomepizole
inhibits alcohol dehydrogenase
A saccular anuerysm in the circle of willis between the anterior communicating artery and the anterior cerebral artery will cause what visual disturbance?
bitemporal hemianopia
Where is the piriformis muscle tenderpoint?
midpoint between the inferior lateral angle (ILA) of the sacrum and the greater trochanter.
where are the posterior sacral tenderpoints?
Describe Perinaud Syndrome?
What can cause it, esp., in young people?
impaired vertical gaze
normal to large pupils
light-near dissociation
convergence-retraction nystagmus
eyelid retraction (Collier sign)
pineal gland tumor
What is amaurosis fugax?
acute, painless monocular vision loss in the setting of atherosclerosis
described as a curtain coming down over vision
What should you use to treat MAC atypical pna?
macrolides
binds to 50S ribosomal subunit
Where is Meckel’s Diverticulum visualized on a technetium scan?
right lower abdomen
What common drug can cause blue tinted vision?
slidenafil
(inhibits phosphodiesterase 5 and 6 and 6 is a requred in light transformation
Where are AT2-6 TP located?
midline at the sternum on the level of the correspoinding rib
If you’re doing a surgery and see something unrelated to the condition that looks sus and you take it out wihtout consent is that bad?
YEah, its BADtery
only okay if there is immediate danger
what is a wakefullness promoting agent for narcolepsy?
Modafinil
What will acute viscerosomatic TTA feel like?
Warm and boggy
What artery causes oculomotor nerve palsy including strabismus, ptosis, and dilation if there is an aneurysm?
ipsilateral posterior communicating artery
What test can look for IT band syndrome?
Ober test
What are the s/s of retinal artery occlusion?
painless loss of monocular vision with associated pale retina with a cherry-red macula seen on fundoscopic examination
what is a common concerning side effect of trazadone?
painful erections
5HT2A Receptor inhibitor
What nerve root is the brachioradialis reflex?
C6
Furosemide and other loop diuretics have what side effect?
hearing loss
what antipsychotic can cause galactorrhea?
haloperidol
what cells have foot processes that make up the BBB?
astrocytes
what common brain tumor in children often presents in the posterior fossa and can cause noncommunicaitng hydrocephalus?
meduloblastoma
What are the visceroscomatics for hyperthyroidism?
T1-4
Which drug for myasthenia gravis can exacerbate what underlying condition
Pyridostigmine can exacerbate asthma
What common brain tumor in the 50-60 age group has a “fried egg” appearance, aka compact round cells with clear cytoplasm around a dark nucleus?
oligodendroglioma
What connective tissue disorder can present with berry aneurysm/increase risk?
Erlerhs danlos
In a patient with underlying long QT syndrome (mutation in KCNH2), what type of medication can precipitate syncope and prolonged QT?
Macrolides
-mycins
also, fluoroquinolones (-oxacins), antipshycotics and antiemetics
What is the cause of cyanosis in TOF?
abnormal neural crest cell migration leads to anterior and cephalad deviation of the infundibular septum during embryogenesis
Results in misaligned VSD and overriding aorta
What signals the hepatocytes to turn pyruvate into glucose?
elevated Acetyl CoA levels
Where can RNA polymerase II be located?
upstream, downstream, or within the introns of the gene
Statisitically, the closer the AUC is to 1, the ?
the more accurate the test
how to statins work?
how do bile acid-binding resins work?
do they increase/decrease liver cholesterol synthesis?
statins inhibit HMG COA Reductase
BABR increase synthesis of bile acids which uses up cholesterol stores in the liver
statins decrease synthesis, BABR increase synthesis
What is defective in Familial hypercalcemic hypocalciuria?
What type of receptor is it?
CaSR
Gq coupled membrane bound receptor
What occurs to levels of ghrelin, leptin and insulin during a caloric restriction/exercise program resulting in weight loss?
Ghrelin increases
Leptin decreases
Insulin decreases
Why?
ghrelin is up due to calorie restriction/hungry
leptin is up because of fasting
insulin down because of weight loss/increased sensitivity
What rib marking does the lung stop?
rib 8, midaxillary line
if you do a thoracentesis superior to rib 10 at the MA line, what structure can be hit?
LIVER!
an ischemic stroke affecting the middle cerebellar peduncle, lateral mid-pons region will afect which nerve?
what deficits will occur?
Trigeminal N.
contralateral hemiparesis (corticospinal tarct), contralateral lower facial palsy, dysarthria (corticobulbar tract)
bacterial endocarditis after a dental procedure is liekly due to what?
why does it stick to structures?
S. viridans
uses dextrans to stick to fibrin and platelets at sites of endothelial trauma (presence of MVP)
a study looking at efficacy, adverse effects in a small number of affected indivuduals is what phase?
phase II
Carbemazipine can cause what dyscrasia?
drug indcued aplastic anemia
(medication induced adverse effect)
MAOIs work best for what type of depression and what are the features?
treatment resistent Major depressive Disorder
mood reactivity
leaden paralysis
increased sleep and apetite
Which NNRTIs do not rqiure intracellular phosphorylation?
Nevirapine and Efavirenz
What can help protect against lung infarction in PE?
collateral circulation-good ventilation, poor perfusion
(not shunting-shunting occurs with good perfusion but poor ventilation)
If a baby is genotypically male, but has genital anomalies like small phallus, hypospaidias, what is the likely enzyme deficiency?
5a-reductase deficiency (cant make tesotsterone into DHT)
Immediately prior to delivery, estrogen increases what?
increases upregulation of gap junctions consisting of Connexin-43
helps increase myometrial excitability
a pt has s/s of shock after recent hospitalization for infection. RAP is increased and pulminary capillary wedge pressure is decreased. What is the problem?
right ventricular infarct
How do you calculate number needed to treat?
1/ARR
ARR=control rate - treatment rate
TR= 10/1000
CR= 25/1000
.025-.01=0.015 or 1.5%
NNT=1/.015=67
S. pyogenes has M protien which is strucuturall similar to what?
myosin/tropomypsin
functions to resist phagocytosis
Which factor will change depending on disease prevelence in populations?
PPV
what sounds like carpal tunnel but involves a lot of supination motion (screw driver)
deep radial nerve compression in supinator m.
will have weak extension and supination/pronation, weak thumb and fingers
know this
what are the s/s of arginase deficiency?
spastic diplegia
growth delay
abnormal movements
part of urea cycle
what cells fight TB?
CD4 and macrophages
DIFFERENTIATE THE KINDS OF SHOCK
if it sounds like cryptosporidium, but includes mucosal ulcers, what is it?
CMV (herpesvirus)
What is the MOA of protease inhibitors in HIV?
inhbit HIV protease from cleaving gag-pol which results in impaired production of functional viral proteins
what does aortic regurgitation sound like?
decrescendo at LUSB
(note to self) bitch you better memorize this shit so help me
What will CO and VR look like after an MI?
CO decreased, VR same
If a kid with a recent infection with abx tx comes back a few weeks later withn puffiness and nephritic syndrome and they show you an EM with a giant dome/dot, what is it?
acute PSGN due to IC deposition
How can duloxetine help with pain?
inhibits norepinephrine mediated pain pathway
a drug that quiets uterine contractions and causes mydriasis, is what class?
A and B adrenergic agonist
How does clavalunic acid given with amoxicillin change the metabolism?
decreases amoxicillin cleavage by bacterial cells
during influenza infection, interferons a and B are released that do what?
decrease protein synthesis by infected cells
With normal aging, EF can be maintained by what mechanism?
mild concentric LVH
gross hematuria in a pt with sickle cell trait and no signs of infection is likely?
papillary necrosis
propofol will redistribute where?
skeletal muscles (overtime)
which autosomal recessive condition can present with avascular necrosis bilaterally with PAS + staining in a white child?
Gaucher disease
(def. in glucocerebrodiase)
which drug, which alters purine metabolism, can change CBC as an adverse effect?
azathioprine
what drug has been shown to aggrevate gout?
what drug has been shown to decrease gout attacks (chronic)
thiazide diuretics (make sure to stop them)
losartan
to initiate muscle contraction…..
calcium binds to troponin, which causes a conformational change in troponin, causing tropomyosin to move and expose the myosin binding sites on actin.
what is the MOA of corticosteroids
diffuse through the plasma membrane and bind to intracellular receptors. The receptor-hormone complex then enters the nucleus as a dimer, binds to the glucocorticoid response element, and regulates gene transcription
inhibits the transcription of pro-inflammatory cytokines.
what ligaments are involved in a type II inversion sprain?
calcaneofibular and anterior talofibular
what tendon is involved in DeQuerivians tenosynovitis?
abductor pollicis longus
how might osteoporotic spinal fractures be described?
anterior wedging of the vertebrae
what is one of the motions of the supraspinatus?
adduction!
damage of the ulnar nerve will affect what muscle of the theumb?
thumb adduction
what can precipitate gout( dug)
niacin
what is the PaCO2, pH, and FEV/FVC1 ratio in COPD?
PaCO2 increased
pH decreased
(inverse relationship)
FEV/FVC1 ratio is decreased
In a study comparing IV vs. oral bioavailability, how would you calculate it based on AUC?
What is familial dilated cardiomyopathy?
autosomal dominate defect in TTN which codes for sarcomeric protein titin
can cause sudden death and enlarged heart
can cause thrombus to form
Describe the s/s of intestinal schistosomiasis?
Describe the s/s of hepatic schisotomiasis?
diarrhea, abdominal pain, ulceration, iron deficient anemia
hepatomegaly, splenomegaly
fibrosis and portal HTN
tx with praziquantel
Pt comes in with fever, myalgias, malaise, no sore throat.
failure to agglutinate horse erythrocytes
what is the dignosis?
CMV mononucleosis
what is the most common pediatric arthythmia?
SVT
narrow QRS, P waves burried in QRS
ventricular diastole shortens, CO and SV decrease and can lead to hypotension and s/s of heart failure
What ligament is thickened in spinal stenosis?
L. flavum
What are the three phases of acid secretion?
Cephalad-triggered by thought/smell of food
Gastric-gastrin/hlc release triggered by food in stomach
intestinal-triggered by protein in duodenum-downregulate acid secretion
Which GLUT is sensitive to insulin and where is it found?
only GLUT 4 is sensitive to insulin and it is found on skeletal muscle and adipocytes
how is ARR calculated?
ARR= Risk control-Risk treatment
in this case, risk of death control is control deaths/total control and treatment deaths/total treatment
Trendelenburg sign is due to damage of which nerve?
Superior gluteal N (medius and minimus, hip stability)
inferior gluteal n. innervates glute max which would mke it hard to climb stairs or stand up if injured
Failure of neural crest cell migration between weeks 8-12 can cause what?
Hirshprung’s disease in which the rectum is ALWAYs invovled
If it sounds like TB, it could also be
which is treated with?
which has the MOA?
sarcoidosis
glucocorticoids
inhibits migration of neutrophils to inflammatory sites
does angiotensin II constrict the afferent or the efferent arteriole?
constrcits the efferent arteriole
which would increase filtration pressure!
what are the stop codons?
UAA
UGA
UAG
which substance allows T cells to replicate?
calcineurin (elaborates IL2 for T cell proliferation)
targeted by cyclosporine and tacrolimus
Is listeria an intracellular bacteria?
How is it cleared from the body?
Yep
cell mediated immune system
which ligament is involved in ovarian torsion?
infundibulopelvic ligament (suspensory ligament of the ovary)
describe the airway resistance along the respiratory tract
blocking the voltage gated Na channels in axons does what?
prevents fusion and release of neurotransmitter vesicles
hereditary hemochromatosis is a defect in which gene
which causes what?
HFE gene
liver HFE can’t sense iron, so makes less hepcidin which tells the intestine to absorb more iron from food, where it can then accumulate in the blood and liver (as hemosiderin)
increase intestinal absorption
decreased hepcedin
why would a long standing TIDM patient present with more frequent hypoglycemic episodes?
because as the disaese progresses, a-cells become destructed as well which leads to decreased glucagon secration and increased risk of hypoglcemia
describe the difference in urine and serum Osm in central DI, complete and partial nephrogenic DI
what virulence factor allows e. coli to cause UTIs?
fimbrial antigen
how might parvovirus manifest in an adult
how might parvovirus manifest in a fetus
if given the choice between parvo and CMV, why is parvo better?
adult: polyarthralgia
fetus: ascites, hydrops fetalis, pulmonary effusion/hypoplasia
Parvo is the most common infectious agen causing hydrops esp. if mother presents with arthralgias
what are some s/s and background in hep B infection?
sexual promiscuity, joint pain, LAD,uritcarial rash, RUQ pain
elevated AST and ALT
what does constrictive pericarditis look like onCT?
what structure is the last to disappear in the respiratory tract?
cilia (think of having to move things along)
Which bacteria can cause ecythyma granulosa which is characterized by necrotic and ulcerated skin lesions?
p. aurginosa
What changes on EKG will be seen after amniodarone treatment?
sinus rate-decreased
PR interval-prolonged
QRS-prolonged
QT-prolonged
What region of LNs do T cells normally live in?
paracortical region
what is the MOA of abatacept?
it is a fusion of CTLA4 and Ig which acts as a brake for the adaptive immune system
it prevents T cell costimulation and allows them to undergo anergy, thus increasing peripheral tolerance (stopping the autoimmune condition from progressing)
what is the cause of exercise associated collapse?
reduced preload
basically, after running a half marathon (endurance), if you stop suddenly, the venous return drops dramatically which causes a sudden decrease in preload resulting in hypotension or syncope
put feet above head to help
Is perinaud syndrome caused by a craniopharygnioma or a pinealoma?
pinealoma :(
where is the pineal gland??
Is this eczema or psoriasis?
what is the histology
psoriasis
epidermal hyperplasia
If somone is fructose intolerant, what enzyme might still allow for some fructose metabolism?
hexokinase
what is the purpose of a chi squared test?
test for an association between two catagorical variables
what cell type has a higher turnover rate, osteocytes, hematopoetic stem cells, or vascular endothelial cells?h
hematopoietic stem cells
Lesch Nyhan syndrome is caused by a deficiency in what
which leads to a build up of what?
def. in HGPRT
build up of PRPP
how are most foreign particles removed from the resp. tract?
phagocytosis
if you BLOCK an a2-adrenergic receptor, will insulin decrease or increase
blocking a2R will INCREASE insulin
what acid-base disturbance does vomiting cause?
metabolic alkalosis
via loss of H ions
increased renal excretion of H and K (and reabsorption of Na and water to combat dehydraition)
and extracellular K/H exchange
What is the MOA of Methimazole (tx for hyperthyroid)
blocks coupling of iodotyrosines
what are the changes in cardiogenic shocK?
increased pulmonary capillary wedge pressure
increased central venous pressure
decreased coronary perfusion pressure
is urinary urgency/urge incontinence due to overactice or underactive detrusor m?
overactive detrusor m. (aka uninhibited bladder contraction)
in heart failure, will right atrial pressure and left ventricular end diastolic pressure be increased or decreased?
both will be increased
T cells prevent __ spread of candida while neutrophils prevent ___ spread of candida?
T cells prevent superficial candida spread
neutrophils precent hematogenous spread
what are the s/s of homocysteinuria
hypercoaguability
ectopia lentis
intellectual disability
increased pressure on the afferent arteriole of the kidney will cause hyperplasia where?
hyperplasia of the modified smooth muscle of the afferent arteriole (the JG cells)
a positive skin lepromin test indicates what about the immune system?
Th1 mediated immune reaction
increased IL1 and INFy in the skin lesion
which valve is commonly affected in IVDA and where is it auscultaed?
tricuspid valve
C
where is osm highest and lowest along the nephron?
highest at the bottom of the loop
lowest at the collecting duct
what a fib drug can cause constpiation and new AV block?
diltaizem
what can estimate left atrial pressure?
pulmonary artery cath (swan ganz cath)
chest pain and DOE is likely what?
what happens in the alveoli then?
acute pulmonary embolism
hyperventilation of the alveoli secondary to hypoxemia
if heparin induces a bleed, what can reverse it?
Protamine!
what receptor does NE act on to increase SVR in shock pts?
a1 receptors in the blood vessels to increase SVR
does hereditary spherocytosis have an increase MCV or increased MCHC?
increased MCHC
if it sounds like a fibroid, but the uterus is uniformly enlarged with tenderness and heavy bleeding, what do you think of?
adenomyosis (endometrial glands and stroma wihtin the myometrium)
multiple myeloma can cause lytic bone lesions by
loca tumor cell mediated activation of osteoclasts
major antigenic shifts occur via
genetic resortment
what kind of HLA match is best for congenital conditions?
unrelated matches
a karyotype with 47 chromosomes and a pt with intellectual disability should make you think of?
Klinefelters
tall stature, gynecomastia, azoospermia