A major determinant of the resting membrane potential necessary for the transmission of nerve impulses is the ratio between what?
a. Intracellular and extracellular Na+
b. Intracellular and extracellular K+
c. Intracellular Na+ and extracellular K+
d. Intracellular K+ and extracellular Na+
Answer: b. Intracellular and extracellular K+
You might also like to view...
The patient is being discharged from same-day surgery after a tonsillectomy. The nurse is aware that the patient will be in the phase of general adaptation syndrome, in which the body begins to heal after injury. This stage is called the:
1. alarm stage. 2. resistance stage. 3. exhaustion stage. 4. initial stage.
The nurse is working with a woman who is undergoing chemotherapy for breast cancer. The patient states, "First, the cancer seemed unreal. Now I feel like I can cope." The best response of the nurse would be "Women with breast cancer often:
1. "Go through several stages of adjustment." 2. "Cope better than their partners cope." 3. "Seek multiple opinions before starting treatment." 4. "Become angry after treatment begins."
King's open systems theory viewed the family as:
a. the future through birthing of children b. both hostile and helpful in ever-changing dynamics c. a social system that influences the growth and development of individuals d. a family system where children can be nurtured and build a strong sense of identity
When the nurse finds that a child has a sodium level of more than 145 milliequivalents per liter, the nurse would most expect to see:
a. diarrhea and vomiting c. moist mucous membranes b. dry mucous membranes and thirst d. subnormal temperature