What causes muscle contractions to be graded?
A) both increasing stimulus strength and increasing stimulus frequency
B) increasing stimulus strength
C) increasing stimulus frequency
Answer: A
Anatomy & Physiology
You might also like to view...
Cells in the fovea are responsible for high acuity vision
Indicate whether the statement is true or false
Anatomy & Physiology
Human immunodeficiency virus selectively destroys
a. the spleen. b. helper T-cells. c. cytotoxic T-cells. d. killer T-cells. e. B-cells.
Anatomy & Physiology
Summarize the two steps of protein synthesis
What will be an ideal response?
Anatomy & Physiology
Which cells in the kidney possess prominent, dark-staining secretory granules?
a. Distal tubule cells b. Cells in the thin segment of the loop of Henle c. Collecting duct cells d. Juxtaglomerular cells e. Proximal tubule cells
Anatomy & Physiology