Study Biology

Course

Anatomy & Physiology

Study Pack

Set 8 Muscular System

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Question 1

(Multiple Choice)

Free
Tonic contractions

A) move a muscle through a full range of motion
B) do not shorten the muscle
C) are important in maintaining posture
D) both b and c above

Answer

Question 2

(Multiple Choice)

Free
When a muscle fiber is subjected to a stimulus,it contracts completely.This is called

A) threshold stimulus
B) the all-or-none-law
C) twitch contraction
D) tetanic contraction

Answer

Question 3

(Multiple Choice)

Free
A fluid-filled sac that acts as a lubricating structure for muscle movement is a(n)

A) origin
B) insertion
C) tendon
D) bursae

Answer