Qbank Lessons Flashcards
what develops in the lymph node follicles?
b cells
lymph node t cell locations
paracortex
lymph node b cell location
follicles and medulla
which pneumocytes can proliferate?
type II which also make the surfactant
cervical koilocyte looks like what and what causes it?
dark cytoplasm with perinuclear clearing (halo) caused by HPV
sarcoid granulomas produce?
ACE and vitamin D (hypercalcemia)
white cells which accumulate with sarcoidosis
macrophages and CD4
clincial landmark which is at the level of the trachial division into two bronchii?
sternal angle
digeorge syndrome caused by and leading too?
failure of 3 and 4 pharangyl pouch development. facial abnormalities, heart malformations, and thymic aplasia
pregnancy serum test findings for down syndrome
low: alpha-feto protein and unconjugated estriol
high: beta-hCG and inhibin A
high maternal alpha-feto protein indicates
neural tube defects, ventral wall defects (omphacele, gastroschisis) or multiple gestations
low maternal alpha feto protein indicates
anueploidi
define: pleotropy
multiple phenotypic results of a single genotype
rrheumatoid factor
RA patients make antibodies (IgM) against the Fc of their own antibodies. These later deposit in the sinovial fluid
what contains congenital hydrocele?
tunica vaginalis
bullemia nervosa vs anorexia nervosa
bullemia still meet minimal weight requirements (both have “binge and purge” subtypes)
oral white membranes that are easily scraped off
oral thrush secondary to candidiasis which is a classic presentation of HIV
what causes fixed splitting of the S2 heart sound?
atrial septal defect
long term uncorrected atrial septal defect causes damage to what?
irreversible pulmonary artery hypertrophy
more likely site of nerve compression on the leg?
fibular head (common peroneal nerve) cause it courses superficially around lateral surface
Hypocretin in csf
Narcolepsy
What vitamins does breast milk lack?
D and K
What activates eNOS in vascular endothelium ?
ACh, bradykinin, shear stress
Vaginal discharge thin off-white fishy odor
Bacterial vaginosis
Vaginal discharge thick white cottage cheese
Candida
Vaginal discharge smelly frothy thin yellow green
Trichomonas
Pulmanary atelectasis
Alveolar collapse
