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Exam (elaborations)
The Human Body in Health and Illness Solutions
MULTIPLE CHOICE 
1. Which of the following muscles is described as striated and involuntary? 
a. Aponeurosis 
b. Smooth 
c. Skeletal 
d. Cardiac 
ANS: D 
2. Actin is 
a. located within the neuromuscular junction. 
b. a contractile protein that is called a thin filament. 
c. called the thick filament. 
d. stored within the sarcoplasmic reticulum. 
ANS: B 
3. Which of the following forms cross-bridges with actin? 
a. Sarcoplasmic reticulum 
b. T tubules 
c. Myosin 
d. Sarcolemma 
ANS: C 
4. “Pum...