An important difference between single -unit and multiunit smooth muscle is the
A) ability of single-unit fibers to change into multiunit fibers when advantageous.
B) closely controlled individual fibers in single -unit smooth muscle to allow fine control and graded contractions by selective activation.
C) longer actin and myosin filaments in multiunit smooth muscle, which allow coordination of contraction.
D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
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Which of the answers provided below represents the correct decision: we correctly predicted they would not succeed on the job?
A. True negatives B. False negatives C. True positives D. False positives
The type of receptor that readily adapts to a stimulus is known as a ________ receptor.
A. multimodal B. phasic C. tonic D. transducer
________ hormones stimulate osteoblasts to produce bone matrix
A) Sex B) Growth C) Thyroid D) Parathyroid E) Pancreatic
The femur is the longest and strongest bone of the entire skeleton.
Answer the following statement true (T) or false (F)