True/ False 21. A membrane potential changing from -70 to +10 is undergoing depo

Question

True/ False
21. A membrane potential changing from -70 to +10 is undergoing depolarization.

22. During the repolarization phase in an action potential, both sodium and potassium voltage-gated channels are open.

23. Neurotransmitters enter the synaptic cleft from the axon terminal.

24. Adenosine hyperpolarizes post-synaptic cells. By blocking adenosine action, caffeine will depolarize the cell.

25. The epidermis is laced with blood vessels and nerve endings.

26. The stratum corneum is the deepest layer of the epidermis.

27. The stratum corneum lies between the epidermis and the subcutaneous layer.

28. Alopecia is the result of excessive sensitivity to soaps, detergents, and rough fabric.

29. A deep partial thickness burn would completely destroy any hair follicles in the region.

30. Sweat is produced by eccrine glands.

31. Collagen fibers are critical in repair of injury to the epidermis.

32. The low pH value of vaginal mucus acts to discourage growth of harmful bacteria.

Explanation / Answer

21 T 22. F 23. T 24. T 25.T 26. F 27. F 28. F 29. F 30. T 31. T 32. T

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.