Surface tension of water is one of the factors affecting lung compliance. A chemical produced in the lung, known as __________, is responsible for reducing surface tension of water in the lungs.
A. protease
B. oxygen
C. surfactant
D. mucus
Ans: C. surfactant
Anatomy & Physiology
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Indicate whether the statement is true or false
Anatomy & Physiology
To stimulate muscle contraction, acetylcholine is released from the ___________ into the synaptic cleft.
A. synaptic vesicles B. junctional folds C. sarcoplasmic reticulum D. sarcolemma E. terminal cisterna
Anatomy & Physiology
The RANK ligand is released from osteoclasts and it has an inhibitory effect on osteoblasts
Indicate whether the statement is true or false
Anatomy & Physiology
When added to an acidic solution, what color will Bromecresol purple buffer turn the solution?
A) Blue B) Yellow C) Purple D) Green
Anatomy & Physiology