Which is not characteristic of sympathetic pathways?
a. Fibers originate from the thoracic and lumbar levels
b. Preganglionic fibers release norepinephrine
c. Some postganglionic fibers release ACh
d. Short preganglionic fibers
e. Most preganglionic fibers synapse in the chain ganglia
B
You might also like to view...
Which of the following regions of the sarcomere contain thick filaments?
a) zone of overlap b) A band c) H zone d) both A band and H zone e) All of these answer choices are correct.
As T-lymphocytes leave the thymus, they are
A. naive and not yet competent. B. naive and immunocompetent. C. activated but not yet competent. D. activated and immunocompetent.
Using the figure above, identify the labeled part.
1. Label A: ______________________________
2. Label B: ______________________________
3. Label C: ______________________________
4. Label D: ______________________________
5. Label E: ______________________________
6. Label F: ______________________________
7. Label G: ______________________________
8. Label H: ______________________________
9. Label I: ______________________________
10. Label J: ______________________________
11. Label K: ______________________________
12. Label L: ______________________________
13. Label M: ______________________________
14. Label N: ______________________________
15. Label O: ______________________________
16. Label P: ______________________________
17. Label Q: ______________________________
18. Label R: ______________________________
Which of the following will occur in response to HYPOVENTILATION?
A. the pH of the blood will increase B. levels of blood O2 will increase C. alveolar CO2 will decrease to near atmospheric levels D. levels of blood H+ ions will increase E. alveolar oxygen will increase toward atmospheric levels