CSCS Exam Practice; 230 Questions & Answers
100% Solved
Each muscle fiber is surrounded be a connective tissue called?
a)Fasiciculi
b)Perimysium
c)Endomysium
d)Epimysium Answer-c)Endomysium
What is released from the SR into the Myofibril, causing tension development in a muscle?
a)Ca+ ion...
During a typical ECG atrial depolarization is represented by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave Answer-a)P-wave
While reading an ECG, electrical potential that depolarizes the ventricles is represented by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave Answer-b)QRS complex
What blood vessel functions to exchange O2, fluid, nutrients, electrolytes, hormones, and other
substances between the blood and the interstitial fluid in the various tissues of the body?
When performing a biceps curl, tension in the biceps muscle increases. Which of the following
structures detects and responds to the tension by reflexively reducing muscle activation?
a) golgi tendon organ (GTO)
b) muscle spindle
c)pacinian corpuscle
d) lamellar organ Answer-a) Golgi tendon organ (GTO)
An athlete training for a marathon would benefit from having a high concentration of which
muscle fiber type?
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