Sarcolemma - Study guides, Class notes & Summaries
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Bio 161 Exam 4 Review with Complete Solutions
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Bio 161 Exam 4 Review with Complete 
 
Solutions 
 
What is another term for an individual muscle cell? 
 
- Answer: Muscle fiber 
 
Define fasicle in the context of muscle anatomy. 
- Answer: A cluster of muscle cells within the core of a muscle. 
 
Explain the function of the sarcolemma in skeletal muscle cells. 
- Answer: The sarcolemma serves as the outer membrane of skeletal muscle cells, 
maintaining cell integrity and regulating ion movement. 
 
Describe the sarcoplasm and its role wit...
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NSCA/CSCS Exam Study Guide Questions and Correct Answers
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roponin - Answer a protein that is situated at regular intervals along the actin filament 
and has a high affinity for calcium ions 
tropomyosin - Answer funs along the length of the actin filament in the groove of the 
double helix 
acetylcholine - Answer diffuses across the neuromuscular junction, causing excitation of 
the sarcolemma
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BIOS 252 Final Exam Practice test Questions With Correct Answers!!
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Which of the following is a recognized function of skeletal muscle? 
1) A) guard body entrances and exits 
B) maintain posture 
C) maintain body temperature 
D) produce movement 
E) all of the above - Answer-E 
Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the 
A) myofibrils. 
B) sarcolemma. 
C) endomysium. 
D) sarcomere. 
E) perimysium. - Answer-E 
Which of the following best describes the term sarcoplasmic reticulum? 
A) largely made of myosin...
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ACSM CPT|208 Exam Review Questions With 100% Correct Answers|59 Pages
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What is the function of the tricuspid valve? 
A. It acts as a pacemaker. 
B. To pump blood through the heart. 
C. Prevents backflow of blood to the left atrium. 
D. Prevents backflow of blood to the right atrium. - ️️Answer: D 
 
What is the fundamental unit of muscle contraction? 
A. Myofibril 
B. Sarcomere 
C. Myosin 
D. Sarcolemma - ️️Answer: B 
 
Which chamber of the heart is responsible for pumping oxygenated blood to the body? 
A. Right ventricle 
B. Left ventricle 
C. Right atrium...
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Kin 1A03 McMaster Final Exam Review UPDATED ACTUAL Exam Questions and CORRECT Answers
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Kin 1A03 McMaster Final Exam Review 
UPDATED ACTUAL Exam Questions and 
CORRECT Answers 
excitation-contraction coupling - CORRECT ANSWER- AP from NS turns into muscle 
contraction 
-MAP propagated along sarcolemma into t-tubules 
-Ca+ channels in SR open and release into sarcoplasm 
-Ca+ binds to troponin and tropomyosin detaches 
-X bridge forms 
myofibril - CORRECT ANSWER- entire muscles length - series of sarcomeres
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BIOS 252 Final Exam Practice test Accurate 100%
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Which of the following is a recognized function of skeletal muscle? 
 
1) A) guard body entrances and exits 
B) maintain posture 
 C) maintain body temperature 
D) produce movement 
E) all of the above - ANSWER E 
 
Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the 
A) myofibrils. 
B) sarcolemma. 
C) endomysium. 
 D) sarcomere. 
E) perimysium. - ANSWER E 
 
Which of the following best describes the term sarcoplasmic reticulum? 
 A) larg...
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NSCA CSCS Vocabularies Review (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A
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NSCA CSCS Vocabularies Review (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A 
 
 
Q: perimysium 
 
 
Answer: 
 covers bundles of muscle fibers (fascicli) 
 
 
 
Q: endomysium 
 
 
Answer: 
 surrounds each individual muscle fiber 
 
 
 
Q: sarcolemma 
 
 
Answer: 
 continuous with the muscle fibers membrane and endomysium 
 
 
 
Q: motor neuron 
 
 
Answer: 
 nerve cell 
 
 
 
Q: neuromuscular junction 
 
 
Answer: 
 where a nerve cell innervates muscle fibers, ...
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EXPH 386 Exam 3 Questions And Answers (Updated And Verified)
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EXPH 386 Exam 3 Questions And Answers 
(Updated And Verified) 
Neuromuscular system - answercoordination and integration of the muscles of the body 
together with the nerves that supply them 
cell body (soma) -peripheral - answerdictates the critical firing rate of the action potential. 
Larger cell bodies are associated with higher critical firing rates. Also contain the structures 
involved in replication and transmission of the genetic code 
Dendrites - answershort neural branches that *recei...
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Bio 264 Exam 3 Questions And Answers Rated A+ New Update Assured Satisfaction
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What structure runs from Z line to Z line? - Answer-Sarcomere 
The movement of the troponin-tropomyosin complex requires _______ - Answer-Ca2+. 
The actin filament is a polymer formed from 300 to 400 globular subunits called ______ - Answer-Gactin. 
A myofilament is the _________. - Answer-Protein strand composed of actin or myosin 
T tubules ________. - Answer-Conduct action potentials deep into the muscle cell 
A drug that interferes with the active transport of calcium ions from the sarcoplas...
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Bio 264 Exam 3 Questions and Answers Already Passed
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What structure runs from Z line to Z line? Sarcomere 
The movement of the troponin-tropomyosin complex requires _______ Ca2+. 
The actin filament is a polymer formed from 300 to 400 globular subunits called ______ Gactin. 
A myofilament is the _________. Protein strand composed of actin or myosin 
T tubules ________. Conduct action potentials deep into the muscle cell 
A drug that interferes with the active transport of calcium ions from the sarcoplasm back into the 
sarcoplasmic reticulum would...
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