Exam 3: BIO 201/ BIO201 (NEW 2025/ 2026 Update) Human Anatomy and Physiology I Guide| Questions & Answers| Grade A| 100% Correct (Verified Solutions)- GCU

Examl 3:l BIOl 201/l BIO201l (NEWl 2025/l
2026l Update)l Humanl Anatomyl andl
Physiologyl Il Guide|l Questionsl &l
Answers|l Gradel A|l 100%l Correctl
(Verifiedl Solutions)-l GCU

QUESTION
isotonicl contraction


Answer:
Al musclel contractionl thatl pullsl onl thel bonesl andl producesl movementl ofl bodyl parts.




QUESTION
isometricl contraction


Answer:
Musclel contractsl butl therel isl nol movement,l musclel staysl thel samel length




QUESTION
concentricl contraction


Answer:
shorteningl ofl musclel ex.l flexingl biceps




QUESTION
eccentricl contraction

,Answer:
musclel lengthensl ex.l extendingl biceps




QUESTION
yes


Answer:
Arel skeletall musclesl striated?




QUESTION
yes


Answer:
Arel cardiacl musclesl striated?




QUESTION
No


Answer:
Arel smoothl musclesl striated?




QUESTION
no


Answer:
Arel cardiacl andl skeletall musclesl regenerative?

,QUESTION
yes


Answer:
Isl smoothl musclel regenerative?




QUESTION
cardiacl muscle


Answer:
Whichl musclel typel hasl intercalatedl discs?




QUESTION
myofibrilsl stretchedl tool far

, Answer:
doesl notl allowl myosinl andl actinl tol touch,l thereforel musclel cannotl forml crossl bridgesl
tol contract.




QUESTION
myofibrilsl tool closel together


Answer:
actinl andl myosinl arel intertwinedl deeply,l allowingl forl therel tol bel nol tensionl forl musclel
tol preforml contractionl movement




QUESTION
phosphagenl system


Answer:
suppliesl energyl veryl quicklyl andl isl thel primaryl sourcel ofl energyl forl veryl high-
intensityl exercise




QUESTION
myokinase/creatinel kinase


Answer:
transfersl Pil froml onel ADPl tol another,l convertingl thel latterl tol ATP




QUESTION
anaerobicl respiration