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Question
What are the phagocytic specialists called that are within the air sacs (alveoli) of the lungs?a. alveolar macrophages
b. lung neutrophils
c. respiratory phagocytes
d. pulmonary scavengers
e. air sac scavengers
Answer
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Related questions
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The plasma clearance rate for a secreted substance is always less than the glomerular filtration rate.
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The loop of Henle forms a sharp U-shaped or hairpin loop that surrounds the renal cortex.
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What happens when the hydrogen ion concentration in the body fluids is too low?
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c. Hydrogen absorption decreases.
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The most prevalent ions secreted by the tubules are:
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a. potassium
b. chloride
c. sodium
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e. phosphorus
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b. secondary passive transport
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What are the two major control mechanisms that regulate the glomerular filtration rate (GFR)?
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b. autoregulation and intrinsic sympathetic control
c. internal regulation and extrinsic parasympathetic control
d. autoregulation and extrinsic sympathetic control
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Gas exchange at both the pulmonary capillary and the tissue capillary levels involves simple __________ diffusion of O2 and CO2 down __________ pressure gradients.
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a. True
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Beyond the larynx, the trachea divides into two main branches, the right and left bronchi.
a. True
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a. chest muscles
b. abdominal muscles
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d. bronchioles
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Generation of respiratory rhythm is now known to lie in the:
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b. pneumotaxic center
c. respiratory modulator
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