A client who is experiencing no symptoms of a low calcium level asks why calcium is important. How should the nurse respond?
Standard Text: Select all that apply.
1. "Calcium is needed to keep the nervous system working properly."
2. "Calcium is used by the body to make the muscles move."
3. "Calcium is used in the blood to help with clotting."
4. "Calcium maintains the normal respiratory rate."
5. "Calcium is needed to control blood glucose levels."
Correct Answer: 1,2,3
Rationale 1: In the nervous system, calcium ions influence the release of neurotransmitters and the excitability of all neurons.
Rationale 2: Contraction is dependent on calcium ion movement in skeletal, smooth, and cardiac muscle cells.
Rationale 3: Calcium is important for blood coagulation; it converts prothrombin into thrombin.
Rationale 4: Calcium is not responsible for maintaining the normal respiratory rate.
Rationale 5: Calcium is not responsible for blood glucose control.
Global Rationale: In the nervous system, calcium ions influence the release of neurotransmitters and the excitability of all neurons. Contraction is dependent on calcium ion movement in skeletal, smooth, and cardiac muscle cells. Calcium is important for blood coagulation; it converts prothrombin into thrombin. Calcium is not responsible for maintaining the normal respiratory rate or for blood glucose control.
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