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101 Cards in this Set
- Front
- Back
Inheritance of osteogenesis imperfecta
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AD
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Inheritance of Alport's Syndrome
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X-linked recessive
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What is DNA laddering and what does it indicate?
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Appearance of DNA fragments in multiples of 180bp on electrophoresis; indicates apoptosis
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Genetic cause of multiple children presenting with an AD disease, but both parents are normal?
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Germline mosaicism
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Imprinting diseases are on chromosome
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15
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Inheritance of hypophosphatemic rickets
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X-linked dominant (vitamin D resistant rickets)
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NF-1 has optic
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gliomas
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Inheritance of G6PD
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X-linked recessive
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Longest known human gene
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Dystrophin
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Kennedy Disease
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X-linked bulbospinal atrophy
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Dehydrogenase enzymes require ___ while carboxylase enzymes require ___
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B1
B7 |
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HMG-CoA reductase is used in cholesterol synthesis; what is HMG-CoA synthase used in?
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Ketogenesis
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Diplopia, dysphagia, dysphonia
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Botulinum
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Imperforate anus is associated with
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Urinary tract defects
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Very high fever in a smoker with diarrhea, confusion, and cough --> chest pain
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Legionnaires' disease
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Neurophysin
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Carrier protein for ADH and oxytocin
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Unexpected enzyme released by mast cell degranulation
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Tryptase
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____ inhibits lipoic acid, which is part of the complex for these 3 enzymes
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Arsenic
Pyruvate dehydrogenase Alpha-ketoglutarate dehydrogenase Branched chain ketoacid dehydrogenase |
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Vomiting, rice water stools, garlic breath
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Arsenic poisoning
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Rx for pyruvate dehydrogenase deficiency
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Lysine and leucine (ketogenic aas)
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4 irreversible enzymes of gluconeogenesis
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Pyruvate carboxylase
PEP carboxylase Fructose-1,6,-bisphosphatase Glucose-6-phosphatase |
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Glucose + fructose =
Glucose + galactose = |
Sucrose
Lactose |
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Glucose --?--> sorbitol --?--> fructose
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Aldose reductase
Sorbitol dehydrogenase |
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Low stool pH, high stool osmotic gap, high breath hydrogen content
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Lactase deficiency
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Rx for hyperammonemia
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Benzoate or phenylbutyrate (bind aa --> excretion)
Lactulose (disaccharide --> acidification --> ammonia trap) |
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Main aa in blood?
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Glutamine (transports ammonia from tissues --> kidney)
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Rx for cystinuria?
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Acetazolamide to alkalinize urine
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Erythrocytes can't use ketone bodies for energy b/c they lack ___, whereas hepatocytes can't because they lack ____
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Mitochondria
Succinyl Co-A acetoacetate CoA transferase |
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Where is rRNA synthesized?
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Nucleolus
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What enzyme allows pts with fructosuria to still use fructose for glycogen synthesis?
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Hexokinase
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Horseshoe kidneys get trapped under?
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Inferior mesenteric artery
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What causes bicornuate uterus?
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Incomplete fusion of paramesonephric ducts
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Failure of obliteration of processus vaginalis --> 2 things
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Hydrocele
Indirect inguinal hernia |
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Ureteric bed (from end of mesonephros) --> (4 things)
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Ureter
Pelises Calyces Collecting Ducts |
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Metanephric mesencyme -->
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Glomerulus and renal tubules to distal convoluted tubule
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Which branch of CN X is responsible for swallowing
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Superior laryngeal branch
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Superior laryngeal nerve innervates this laryngeal muscle
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Cricothyroid (all others are via recurrent laryngeal branch)
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What releases major basic protein?
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Eosinophils (antihelminthic toxin)
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Potential immunogenic cause of SLE?
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Mutated Fas gene --> impaired deletion of autoreactive T cells
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3 immune privileged sites
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Eyes, testes, brain
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High CD4: CD8 ratio in bronchoalveolar lavage fluid
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Sarcoidosis
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Deficiency of C1, C3, and C4
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Lupus-like syndrome
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Fever, urticaria, arthralgias, proteinuria ,glomerulonephritis, lymphadenopathy, and fibrinoid necrosis, and neutrophils in vessels
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5-10 days after drug:
Serum sickness |
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Direct Coombs
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Add pt's RBCs (to anti-Ig; agglutination if RBCs are coated with Ig)
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Indirect Coombs
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Add pt's serum (to normal RBCs: agglutinate if serum has anti-RBC surface Ig)
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What mediates septic shock?
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TNF-alpha
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What mediates cachexia in cancer?
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TNF-alpha
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What is aldesleukin and what cancers is it used for?
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IL-2
RCC and metastatic melanoma |
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Recurrent Giardia infections
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IgA deficiency
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Which 3 immune deficiency diseases are X-linked?
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Bruton's
SCID (most common form) Wiskott-Aldrich |
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What is defective in Bruton's?
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BTK, a tyrosine kinase gene, so can't form pro B cells from pre B cells
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Which immune deficiency is treated with IFN-gamma?
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IL-12 deficiency (isn't produced by activated macrophages, so can't stimulate Th1 cells to produce IFN-gamma)
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Why does adenosine deaminase deficiency cause SCID?
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--> increased adenine, which is toxic to B and T cells
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Ataxia-telangiectasia triad: also presents with
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IgA deficiency
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Wiskott-Aldrich deficiency
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TIE
Thrombocytopenic purpura Infections Eczema |
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Which immune deficiency has increased IgE and IgA and decreased IgM?
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Wiskott-Aldrich (progressive deletion of B and T cells)
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Delayed separation of umbilicus or lack of pus indicates
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LFA-1 deficiency in leukocyte adhesion deficiency
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Partial albinism in
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Chediak-Higashi Syndrome
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Catalase positive organisms?
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S. aureus, E. coli, Aspergillus, Pseudomonas cepacia, Serratia, Nocardia
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MPO deficiency is similar to CGD, but also susceptible to
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Catalase negative organisms
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What media is required for N. gonorrheae to grow?
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Thayer-Martin (VPN): vancomysin, polymyxin, and nystatin (inhibiting G+s, G-s, and fungi)
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Lowenstein-Jensen agar is used to culture
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TB
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Sabouraud's agar is used to culture
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Fungi
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Tellurite agar grows
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Diphtheria
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What bug produces a lecithinase as its toxin?
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Clostridium perfingens (--> gas gangrene and hemolysis)
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What is the only bug with a polypeptide capsule
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Anthrax (contains D-glutamate)
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Rx for anthrax
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Cipro
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Rx for leprosy
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Dapsone
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Rx for lyme disease
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Doxycycline
Ceftriaxone |
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Sulfadiazine and pyrimethamine combo is the treatment for
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Toxoplasma gondii
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Empirical meningitis Rx:
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Ceftriazone (covers N. miningitidis, S. pneumoniae, GBS, and H. influenzae) + ampicillin (Listeria)
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Bean shaped diplococci
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Neisseria
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Where to do a lumbar puncture?
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L4/L5 (iliac crest) (btwn spinal cord and end of subarachnoid space/ cauda equina)
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ToRCHES: toxo
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Chorioretinitis
Hydrocephalus Intracranial calcifications |
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ToRCHES: Rubella
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PDA
Cataracts Deafness Blueberry muffin rash |
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ToRCHES: CMV
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Hearing loss
Seizures Petechial rash |
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ToRCHES: Herpes
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Temporal encephalitis
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Macular rash several days after fever
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Roseola
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Antibiotic that can cause Vita K deficiency
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Cephalosporins
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Resistance to aminoglycosides
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Transferase enzymes that inactivate drug by acetylation, phosphorylation, or adenylation
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Sulfa drugs without sulfa in the name
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Christine Angrily Prepared For This
Celecoxib Acetazolamide Probenecid Furosemide Thiazides |
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Toxicity of foscarnet
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Nephrotoxic --> hypocalcemia and hypomagnesemia --> seizures
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Antibiotics to avoid in pregnancy
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SAFE Moms Take Really Good Care
Sulfonamides Aminoglycoside Fluoroquinolones Erythromycin (and clarithromycin) --> cholestatic hepatitis & embryotoxic, respectively Metronidazole Tetracyclines Ribivarin Griseofulvin Chloramphenicol |
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Herpesviruses acquire their envelopes from
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Budding through the nuclear membrane (vs. most other viruses, which acquire them by budding through the PM)
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Gardner's Syndrome
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FAP + osseous and soft tissue tumors
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Turcot's Syndrome
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FAP + malignant CNS tumor
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Causes of micronodular vs. macronodular cirrhosis
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Metabolic insult (hemochromatosis, Wilson's) vs hepatic necrosis (postinfectious or drug-induced hepatitis)
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Inheritance and treatment of von Willebrand's?
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AD
DDAVP |
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Seromarkers of Reed-Sternberg cell?
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CD30+ and CD15+
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alpha-1AD specific antagonist
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Tamsulosin
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Ritodrine/ terbutaline
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Beta-2 agonists that relax the uterus and reduce premature uterine contractions
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Exacerbation of these 3 diseases with cholinomimetics
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COPD
Asthma PUD |
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Parathion is a
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Organophosphate
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Drug to reduce urgency in mild cystitis and reduce bladder spasms
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Oxybutynin, glycopyrrolate
(muscarinic antagonists) |
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Peptic ulcer (non H pylori) treatment
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Muscarinic antagonists: methscopolamine, pirenzepine, propantheline
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-fenacins and -tercedins are used for
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Spasms of urinary bladder
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Drug for motion sickness
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Scopolamine
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4 selective beta2 agonists
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Metaproterenol
Albuterol Salmeterol Terbutaline |
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Amphetamine and ephedrine are both
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Indirect sympathomimetics (release stored catecholamines)
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Rx for narcolepsy, obesity, or ADD
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amphetamines
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Rx for nasal decongestion, urinary incontinence, hypotension
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Ephedrine
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