Answer the following questions true (T) or false (F)
1. The return of calcium ions to the sarcoplasmic reticulum during muscle relaxation decreases the calcium ion concentration in the cytosol.
2. Creatine phosphate provides 30-40 seconds of energy for muscle activity.
3. Greater muscle tension results when muscle fibers are repeatedly stimulated.
1. TRUE
2. FALSE
3. TRUE
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Many of the muscles in the anterior compartment of the forearm work to _______ the wrist, and they have their origin on the _______ epicondyle of the humerus
A. flex, lateral B. flex, medial C. extend, lateral D. extend, lateral
A patient's anxiety caused her to develop respiratory alkalosis. The nurse instructs the patient to take some slow deep breaths. Explain why this would be effective.
What will be an ideal response?
Stimulation of the macula densa cells
a. results in vasodilation of the afferent arteriole b. results in vasoconstriction of the afferent arteriole c. increases GFR d. causes all of the above e. causes only a and c
Vitamin D deficiency in children produces scurvy.
Answer the following statement true (T) or false (F)