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Flashcards in Respiratory Deck (187)
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121

What are the three stains of small cell lung cancer?

chromogranin

synaptophysin

CD56

122

WHat is the main virulence factor of H. influenzae?

IgA protease

123

Kiesselbachs plexus is located at the anterior or posterior nasal septum?

anterior

124

What is the mode of inheritance of A1AT?

co-dominant

125

Is sleep apnea a problem of the pharynx or larynx?

pharynx

126

Are lobular arteries in the center or periphery?

center

127

Are lobular veins in the center or periphery?

periphery

128

Pseudostratified ciliated columar epithelium extends all the way to what structure?

respiratory bronchiole

129

Smooth Muscle extends all the way to what structure?

terminal bronchiole

130

What type of epithelium is found in the respiratory bronchioles?

cuboidal

131

Does sarcoidosis have lymphocytes in them?

yes

132

Particles smaller than what size can make their way to the respiratory bronchiole?

133

Alveolar macrophages relase cytokines that that to what during their phagocytic activity?

fibrosis

134

Which part of the lung is the greatest contributor to anatomic dead space?

apex

135

Does hemoglobin have positive or negative allostery?

negative

136

What is bound to Hb during Carboxyhemoglobin?

CO

137

What is a normal A-a gradient?

10-15

138

Is the venous amount of O2 increased or decreased during cyanide poisoning?

increased

139

Do only peripheral or central chemoreceptors respond to O2?

peripheral

140

In which two situations does O2 become diffusion limited?

exercise

alveolar damage

141

What are the three perfusion limited gases?

N2O/CO2/O2

142

What is the diffusion limited gas?

CO

143

What is the equation for Pulmonary Vascular Resistance?

Pressure in pulm. artery = left atria pressure/CO

144

Is ventilation higher at the base of the lung or apex?

base

145

Is perfusion higher at the base of the lung or apex?

base

146

What is the phrase for pulmonary fibrosis on Xray?

"bilateral reticulonodular opacities"

147

Is Pulmonary FIbrosis greater in apex or base of lungs?

base

148

What percent of CO2 is transported as HCO3?

90%

149

Do restrictive lung diseases breath at a high or low rate?

high

150

Do obstructive lung diseases breath at a high or low rate?

low