BIO 235 - Midterm 2 Exam Bank With complete solution | RATED A+ | ASSURED SUCCESS

BIO 235 - Midterm 2 Exam Bank
With complete solution | RATED A+
| ASSURED SUCCESS

,BIO 235 - Midterm 2 Exam Bank With
complete solution RATED A+
Most IImuscles IIcross IIat IIleast IIone_________

a) IItendon
b) IIjoint
c) IIbone
d) IIligament
e) IIbody IIplane
b) IIJoints
The IIattachment IIof IIa IImuscle's IItendon IIto IIthe IIstationary IIbone IIis IIcalled IIthe II_____; IIthe

II II II II II II II II II II II II II

II


attachment of the muscle's other tendon to the movable bone is called the _____.

a) IIorigin, IIaction


b) IIinsertion, IIaction


c) IIorigin, IIinsertion


d) II
insertion, IIorigin
e) IIinsertion, IIaction C) IIorigin, IIinsertion


A IIlever IIis IIacted IIon IIat IItwo IIdifferent IIpoints IIby IItwo IIdifferent IIforces IIwhich IIare IIcalled

II


the___________

a) IIfulcrum IIand IIresistance.
b) IIleverage IIand IIload.
c) IIlever IIand IIresistance.
d) IIeffort IIand IIload.
e) IIlever IIand IIeffort.
d) IIeffort IIand IIload
Motion IIwill IIoccur IIin IIa IImuscle IIwhen IIthe II_____ IIsupplied IIexceeds IIthe II_____.

a) IIeffort, IIload
b) IIresistance, IIlever
c) IIload, IIeffort
d) IIload, IIresistance
e) IIlever, IIeffort

,a) IIeffort IIand IIload
With IIreference IIto IIthe IIeffort IIand IIload II, IIdescribe IIthe IImain IIdifference IIbetween
II lever II II II II II II II II II II operating with
a mechanical advantage versus lever operating at mechanical II
disadvantage
Mechanical IIadvantage IIoccurs IIwhen IIthe IIload IIis IIplaced IIcloser IIto IIthe IIfulcrum, IIthus

II II II II II II II II II


requiring less effort in the movement of the load.
Mechanical IIdisadvantage IIoccurs IIwhen IIthe IIload IIis IIplaced IIfarther IIfrom IIthe IIfulcrum.

II II II II II II II II II II II II


This results in more effort to be exerted to move the load.

, Briefly IIdescribe IIthe IIthree IIcategories IIof IIlevers IIbased IIon IIthe IIposition IIof IItheir IIfulcrum.

II II II II II II II II II II II II II

II II II


Give an example of each type of lever and state whether the lever works at a II

II II II II

mechanical advantage, disadvantage, or both.
First IIclass IIlever: IIscissors, IIand IIthey IIcan IIfunction IIat IIa IImechanical IIadvantage IIor IIa

II II


mechanical disadvantage
Second IIclass: IIWheel IIBarrow IIis IIa IIsecond-class IIlever IIsystem, IIand IIit IIfunctions IIat IIa
II II


mechanical advantage.
third IIclass: IIForceps II(tweezers) IIfunction IIas IIa IIthird IIclass IIlever, IIand IIthey IIfunction IIat IIa II

II


mechanical disadvantage.
Which IIof IIthe IIfollowing IIis IINOT IIa IIcommon IIarrangement IIof IImuscle IIfascicles?

a) IIpennate
b) IItriangular
c) IIoval
d) IIparallel
e) IIfusiform
c) IIOval
This IItype IIof IIfascicle IIarrangement IIhas IIthe IIfascicles IIspread IIover IIa IIbroad IIarea IIand

II II II II II II


converges at a thick central tendon.

a) IItriangular
b) IIpennate
c) IIcircular
d) IIfusiform
e) IImultipennate
a) IITriangular
The IImuscle IIthat IIserves IIas IIthe II"prime IImover" IIduring IIa IImovement IIis IIcalled

II


the_________.