Pulmonary and Critical Care Flashcards
pleuritic chest pain arising from the mediastinal or diaphragmatic pleura will be carried by the _____ nerve
phrenic
amniotic fluid lecithin (phosphatidylcholine) to sphinomyelin ration (L/S) is measured to assess ______
considered mature when ration is greater than
fetal lung maturity
2
probability of a child from two parent populations with different mutant allele carrier frequencies will inherit and AR disease is =
25% multiplied by the carrier frequencies
_______ pneumocytes regenerate alveolar lining following injury and produce surfactant
Type II
COPD encompasses _______ and _______. _________ causes destruction of interalveolar walls and decreased ____________, leading to increased ________, ___________, _______________
patients present with hyperinflated lungs, flattened diaphragm, barrel shaped chest
chronic bronchitis and emphysema
emphysema
lung elastic recoil
residual volume, functional reserve capacity, total lung capacity
smaller spheres w/o surfactant will ______ compared to larger ones due to laplace’s law and the difference in _____
collapse
surface tension
ill school children spread to older adult, abrupt onset fever, HA, myalgia, and malaise, symptoms gradually improve =
predisposes to secondary infection bacterial pneumonia from (3)
influenza A
streptococcus pneumoniae, Staphylococcus aureus, Haemophilus influenzae
cromoglycates such as ______ block mast cell degranulation independent of the triggering stimulus
cromolyn and nedocromil
the F508 mutation in the _____ protein is the most common mutation in patients with ____. These patients produce eccrine sweat with higher than normal concentrations of sodium and chloride, thus exposure to high temperatures and exercise can lead to ______
CFTR
CF
hyponatremia
early onset, no smoking history of emphysema is likely due to ______ and shows as lower lobe predominant
due to breakdown of _____
properties of this protein are due to extensive crosslinking between monomers, facilitated by
alpha 1 antitrypsin deficiency
elastin
lysyl oxidase
_________ and aceetylcholine have pharmacologic receptor antagonists that offer clear therapeutic benefit in allergic asthma, while _______ plays a minor role
Leukotrienes (LTC4, D4, E4)
Histamine
anaphylactic shock is due to _____ hypersensitivity which occurs when cell surface bound ____ bridge by ______. This is mediated by basophils, mast cells and ____
Type I
Antibody
Antigen
IgE
pulmonary vascular resistance is lowest at the _____
functional residual capacity
Each MHC class I molecule consists of a heavy chain and a _______. These molecules interact with
Beta 2 microglobulin
CD8 CTL
minute ventilation includes _______ while alveolar ventilation does not
dead space volume
antiretroviral therapy prenattaly will decrease
HIV transmission to infant
F508 mutation in CF leads to protein _____ and failure of ______ followed by proteasome mediated degradation of CFTR proteins
misfolding and failure of glycosylation
the most highly oxygenated blood in the fetus is carried by the _______ which empties directly into the _____ via the ________
umbilical vein
inferior vena cava
ductus venosus
alveolar fluid contains natural proteases like elastase that are derived from infiltrating ________ and alveolar _______
neutrophils
macrophages
hyperinflated lungs, airway mucus plugging, cellular infiltrate of the bronchial wall =
cellular infiltrate due to =
controlled most strongly by
chronic bronchial asthma
leukotrienes
glucocorticoids like fluticasone (inhaled)
HIV pneumonia with CD4+ count 400-1400 =
less than 200 =
Strep pneumo
P jiroveci
the most common cause of lung abscesses in alcoholics is a __________ infection of ________ that should be treated with _________
another common cause of aspiration pneumonia in alcoholics is ______ that should be treated with _______
polymicrobial
anaerobes
clindamycin
Klebsiella
cephalosporins
recurrent respiratory infections, dextrocardia, infertility = which is a form of primary ciliary dyskinesia. This disorder is characterized by situs inversus, chronic sinusitis, and bronchiectasis and is due to the failure of _________ to develop normally
Kartagener syndrome
dynein arms
immunosuppressed, lung infection with infiltrates, unresponsive to antibiotics, stains red on ________ is indicative of ______________ infection. The polysaccharide capsule appears clear and unstained on india ink
mucicarmine
Cryptococus neoformans