Which type of lung cells secretes pulmonary surfactant?
a. Alveolar macrophages
b. Type I cells (pneumocytes)
c. Type II pneumocytes
d. Type III pneumocytes
ANS: C
Type II cells do not function as gas-exchange membranes like the type I cells. They manufacture surfactant, store it in vesicles called lamellated bodies, and secrete it onto the alveolar surface.
You might also like to view...
When an energized wire is in contact with the ground, the current:
A. does not flow into the ground. B. flows straight down into the ground. C. flows in all directions from point of contact. D. flows into the ground but only for five minutes.
Standard wheelchair, fixed full length arms, fixed or swing away detachable footrests
A) E1100 B) E1110 C) E1130 D) E1161
The Surgery section of procedure codes falls within which range of CPT codes?
A. 99201-99480 B. 90281-99607 C. 10021-69990 D. 00100-01999, 99100-99140
Correct hand-washing is the single most effective way to prevent the spread of communicable diseases
Indicate whether the statement is true or false