Other missed questions Flashcards
What is the mechanism of liver injury in someone with Hep B infection?
Anitgens that acitvate CD8+ Cytotoxic T cells.
What are the 3 STOP codon?
UAA, UAG, UGA
What characterizes a TCA overdose? How do treat?
Delerium, Seizures, Arrythmias/LongQT/Tachy, Severe Hypotension, and Signs of Anticholnergic toxicity.
Treat with NaHCO3
A Ketogenic Diet is recommended for pts with Pyruvate Dehydrogenase Deficiency. What Amino Acids are exclusively ketogenic?
Lysine and Leucine. Beak down does NOT lead to formation of glucose (ie not Glucogenic), which helps prevent build up of lactate acid in these pts.
Calculate Negative Predictive Value
ALL THESE CAN BE SOLVED WITH 4X4 TABLE.
NPV= True Negs / (True Negs + False Negs)
What is the major Ammonia Acceptor, in Aminotransferase Reactions?
a-Ketogluterate
Topography of Lung
http://images.slideplayer.com/13/3863070/slides/slide_3.jpg
describe Klebsiella
Gram - rod, lactose fermenting, encapsulated
Somebody with cough, lower lobe pneumonia, and pain in their neck/shoulder….The pain signal is carried from what nerve?
Phrenic (C3-C5). Phrenic nerve carries PAIN signal from diaphragm and mediastinum, and is REFERRED to cervical distribution C3-C5 of neck and shoulder.
Pain from remiander of pleura carried by INtercostal nerves, and is more localized to the site of irritation.
Describe Nocardia/Nocardiosis?
Gram + rod, grows in beads/ branched, partially acid fast,, catalase positive, aerobe.
Affects, lungs (pneumo, nodules), Brain (Abcess), and Skin
What antibiotic used for Mycobacterium Avium Complex (MAC)?
Azithromycin
What is the precursor for Serotonin…..?
Tryptophan
Cryptoheptadine is an anitdote for…?
Serotonin Syndrome….it is 1st gen antihistamine with nonspecific 5-ht1/5ht2 antagonism
ACH causes what in Lungs?
How does Ipratropium work?
ACH cause bronchconstriction (why?)
Iptratrop causes bronchodilation by blocking ACH at M3 receptors.
WHich vitamin contraindicated in pregnancy ?
Vit A. Very teratogenic. Can lead to microcephaly, growth retardation, abortion, heart anomalies