There is an oxygen molecule in the sheep's primary bronchus. What structure would it enter next?
A) Respiratory bronchiole
B) Terminal bronchiole
C) Alveolus
D) Secondary bronchus
Answer: B
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The toxin of Clostridium tetani travels within somatic motor neurons and effects the functioning of their presynaptic neurons. What effect does this have on smooth muscle?
A. Flaccid paralysis B. Spastic paralysis C. Lockjaw D. No effect
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