MCPHS ANATOMY AND PHYSIOLOGY EXAM 3 QUESTIONS AND ANSWERS 2025

MCPHS ANATOMY AND LATEST
PHYSIOLOGY EXAM 3
ANSWER ALL QUESTIONS IN THIS SECTION



QUESTION 1



How muscles are named

1. location
2. Size
3. shape
4. orientation of fascicles
5. origin of insertion
6. number of heads
7. function



QUESTION 2



Do muscles work as levers, fulcrums or weight?

Levers




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, MCPHS ANATOMY AND LATEST
PHYSIOLOGY EXAM 3
QUESTION 3



Class I lever system

fulcrum is between pull and weight (seesaw)



QUESTION 4



Class II lever system

weight is between the fulcrum and the pull (wheelbarrow)



QUESTION 5



Class III lever system

Most common in body, pull is between fulcrum and weight (person using shovel)



QUESTION 6



The Origin

point of attachment that does not move when the muscle contracts


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, MCPHS ANATOMY AND LATEST
PHYSIOLOGY EXAM 3
QUESTION 7



The insertion

the point of attachment of a muscle to the part that it moves



QUESTION 8



Fascicle arrangement

circular, convergent, parallel, pennate, fusiform



QUESTION 9



Circular muscle

arranged in a circle around an opening and act as sphincters; ex: orbicularis oris
and orbicularis oculi



QUESTION 10



convergent muscles

converge at a single tendon; ex: pectoralis major, pectoralis minor

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