1|Page
Klesath BIO 245 Blood vessels Test 2 Exam||Verified
Exam!!!|| Most Recent Exam 2026 Actual Complete
Real Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Newest Exam!!!
Which of the following uses ATP? - Answer-Ca2+ pump in
the SR membrane
Which myofilament will use ATP? - Answer-thick myosin
Which neurotransmitter is released by motor neurons at
the NMJ to stimulate contraction? - Answer-acetylcholine
What is the role of proteins like calsequestrin and
calmodulin in the sarcoplasmic reticulum? - Answer-bind
and store Ca2+ to reduce "steepness" of the gradient
SERCA has to pump against
Where does the calcium come from that binds to troponin?
- Answer-Sarcoplasmic reticulum
,2|Page
What are three differences between smooth and skeletal
muscle? - Answer-skeletal is striated, multinucleated, and
voluntary
smooth is nonstriated, one nucleus, and involuntary
What causes muscle fatigue? - Answer-stimulus frequency
so high the calcium is not cleared from the sarcoplasm
What is rate modulation? - Answer-as rate of nerve
impulse increases so does force
What is a motor unit? - Answer-A motor neuron and all of
the muscle fibers it innervates
Which structure likely has the most motor units? - Answer-
muscles of the hand
What does myoglobin do? - Answer-stores oxygen in
muscle cells
What are the types of muscle fatigue? - Answer-central
and peripheral
, 3|Page
What are the skeletal muscle fiber types? - Answer-slow
oxidative, fast oxidative, fast glycolytic
What are slow oxidative fibers? - Answer-low-intensity,
endurance activities
What are fast twitch muscle fibers? - Answer-contractions
are fast and powerful
What are fast glycolytic muscle fibers? - Answer-
contractions are fast, powerful, and brief
Which is not a glial cell? - Answer-pyramidal neuron
What are the functions of the nervous system? - Answer-
sensory input, integration, motor output
What is the structural organization of the nervous system?
- Answer-central, peripheral, enteric
Klesath BIO 245 Blood vessels Test 2 Exam||Verified
Exam!!!|| Most Recent Exam 2026 Actual Complete
Real Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Newest Exam!!!
Which of the following uses ATP? - Answer-Ca2+ pump in
the SR membrane
Which myofilament will use ATP? - Answer-thick myosin
Which neurotransmitter is released by motor neurons at
the NMJ to stimulate contraction? - Answer-acetylcholine
What is the role of proteins like calsequestrin and
calmodulin in the sarcoplasmic reticulum? - Answer-bind
and store Ca2+ to reduce "steepness" of the gradient
SERCA has to pump against
Where does the calcium come from that binds to troponin?
- Answer-Sarcoplasmic reticulum
,2|Page
What are three differences between smooth and skeletal
muscle? - Answer-skeletal is striated, multinucleated, and
voluntary
smooth is nonstriated, one nucleus, and involuntary
What causes muscle fatigue? - Answer-stimulus frequency
so high the calcium is not cleared from the sarcoplasm
What is rate modulation? - Answer-as rate of nerve
impulse increases so does force
What is a motor unit? - Answer-A motor neuron and all of
the muscle fibers it innervates
Which structure likely has the most motor units? - Answer-
muscles of the hand
What does myoglobin do? - Answer-stores oxygen in
muscle cells
What are the types of muscle fatigue? - Answer-central
and peripheral
, 3|Page
What are the skeletal muscle fiber types? - Answer-slow
oxidative, fast oxidative, fast glycolytic
What are slow oxidative fibers? - Answer-low-intensity,
endurance activities
What are fast twitch muscle fibers? - Answer-contractions
are fast and powerful
What are fast glycolytic muscle fibers? - Answer-
contractions are fast, powerful, and brief
Which is not a glial cell? - Answer-pyramidal neuron
What are the functions of the nervous system? - Answer-
sensory input, integration, motor output
What is the structural organization of the nervous system?
- Answer-central, peripheral, enteric
