While planning care for a patient with muscle problems,which information should the nurse remember? _____ ions directly control the contraction of muscles.
A) Sodium
B) Potassium
C) Calcium
D) Magnesium

Question

Quizplus · Accepted Answer

Contraction begins as the calcium ions combine with troponin,a reaction that overcomes the inhibitory function of the troponin-tropomyosin system.
Calcium,not sodium,controls the contraction of muscles.
Calcium,not potassium,controls the contraction of muscles.
Calcium,not magnesium,controls the contraction of muscles.

While Planning Care for a Patient with Muscle Problems,which Information