A muscle contraction against a resistance greater than the force of contraction causes muscle lengthening is called a(n) ________ contraction.
A. isometric
B. concentric
C. isokinetic
D. eccentric
Answer: D
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This figure shows an example of regulation of hormone secretion by a negative feedback loop. The large box labeled 1 represents the initial stimulus. What hormones are represented by the small boxes labeled a, b, and c?
A. a = TSH, b = TH, c = TRH B. a = TSH, b = TRH, c = TH C. a = TRH, b = TSH, c = TH D. a = TIH, b = TSH, c = TH E. a = TRH, b = TSH, c = TIH
Which two arteries arise from the right coronary artery?
A) the right anterior interventricular artery and the left posterior interventricular artery B) the left marginal artery and the right circumflex artery C) the right marginal artery and the right posterior interventricular artery D) the right anterior interventricular artery and the right circumflex artery
The topographic term used to describe the location of body parts that are closer to the midline is:
A) lateral. B) medial. C) midaxillary. D) midclavicular.
Identify the characteristic(s) shared by all types of muscle tissues?
a. They are neurogenic. b. They have T tubules. c. They have tropomyosin. d. They attach to tendons. e. They have neuromuscular junctions.