Sarcolemma - Study guides, Class notes & Summaries
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VTNE Practice Questions with 100% Verified Correct Answers
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VTNE Practice Questions with 100% Verified Correct Answers 
What is a sarcolemma? 
 
A calcium storage unit in the muscle 
 A contractile cell in the muscle 
 Connective tissue putting muscle fibers into groups 
 The cell membrane which encloses a muscle fiber - Correct Answer The cell membrane which encloses a muscle fiber 
 
` 
 
You make a 1:5 dilution of a serum sample and measure the urea nitrogen. The analyzer reads that the concentration of urea nitrogen is 30 mg/dl. What is the urea n...
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BIOS 252 Final Exam Practice Test Questions And Answers Rated A+
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BIOS 252 Final Exam Practice Test Questions And Answers Rated A+ 
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 ANS 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. ANS E 
 
Which of the following ...
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NSCA CSCS Terminologies (New 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A
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NSCA CSCS Terminologies (New 2023/ 2024 
Update) Questions and Verified Answers | 100% Correct| Grade A 
 
 
QUESTION 
 tropomyosin 
 funs along the length of the actin filament in the groove of the double helix 
 
 
 
QUESTION 
 acetylcholine 
 
 
Answer: 
 diffuses across the neuromuscular junction, causing excitation of the sarcolemma 
 
 
 
QUESTION 
 all or none principle 
 
 
Answer: 
 once a sufficient amount of acetylcholine is released, an action potential is generated across the ...
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ACSM CPT Exam Review Questions and Answers 100% Accurate
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ACSM CPT Exam Review Questions and Answers 100% AccurateACSM CPT Exam Review Questions and Answers 100% AccurateACSM CPT Exam Review Questions and Answers 100% Accurate 
 
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-Answer: D 
 
What is the fundamental unit of muscle contraction? 
A. Myofibril 
B. Sarcomere 
C. Myosin 
D...
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NSCA-CSCS EXAM 2024/ACTUAL 150+ EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/NSCA-CSCS EXAM 2024-2025/NEWEST UPDATE /ALREADY GRADED A+
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NSCA-CSCS EXAM 2024/ACTUAL 150+ EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/NSCA-CSCS EXAM /NEWEST UPDATE /ALREADY GRADED A+ 
 
 
Which of the following is the smallest contractile unit of skeletal muscle? 
myosin epimysium sarcolemma 
sarcomere - RESPONSE:->>>sarcomere 
 
Which of the following describes Type I muscle fibers? 
rapid force development capabilities 
fatigue resistant with high aerobic energy supply inefficient and easily fatigable 
high myosin ATPase activi...
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CSCS Exam Practice Questions 2024, NSCA CSCS - Study Review Rated A+
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CSCS Exam Practice Questions 2024, 
NSCA CSCS - Study Review Rated A+ 
 
Perimysium (surrounding group of fibers/fascicules) 
Endomysium (surrounding individual fibers) 
 
Fascia 
Delicate "cobwebby" tissue 
 
Motor Unit 
Motor Neuron and the muscle fibers it innervates 
 
Typically several hundred muscle fibers in a single motor unit 
 
Sarcolemma 
The plasma membrane of a cell 
 
Transverse Tubules 
Connect to plasma membrane to interior 
 
Action potentials travel through 
 
Ensures AP exci...
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ACSM CPT EXAM REVIEW 2024 WITH 100% CORRECT ANSWERS
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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. - correct answer Answer: D 
 
What is the fundamental unit of muscle contraction? 
A. Myofibril 
B. Sarcomere 
C. Myosin 
D. Sarcolemma - correct answer Answer: B 
 
Which chamber of the heart is responsible for pumping oxygenated blood to the body? 
A. Right ventricle 
B. Left ventri...
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CSCS Practice Exam; Questions & Answers 100% Solved
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CSCS Practice Exam; Questions & Answers 
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1. To which of the following structures do the cross-bridges attach during muscle action? 
a. actin 
b. myosin 
c. M-bridge 
d. sarcolemma Answer-actin 
2. Which of the following substances regulates muscle actions? 
a. potassium 
b. calcium 
c. troponin 
d. tropomyosin Answer-calcium
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NSCA-CSCS Exam Prep; Questions & Answers 100% Solved
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NSCA-CSCS Exam Prep; Questions & Answers 
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The pelvis is located _______________ to the patella. Answer-superior 
Which of the following is the smallest contractile unit of skeletal muscle? 
myosin 
epimysium 
sarcolemma 
sarcomere Answer-sarcomere 
Which of the following describes Type I muscle fibers? 
rapid force development capabilities 
fatigue resistant with high aerobic energy supp
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Anatomy and Physiology Exam 3 Questions And Already Passed Solutions.
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Sarcolemma -Answer muscle plasma membrane 
 
Sarcoplasm -Answer cytoplasm of a muscle cell 
 
Muscle cells respond to neural, stretch, or other signals by changing their _______. -Answer sarcolemma electrical potential (voltage) 
 
The electrical potential change is coupled to intracellular changes that result in ______. -Answer force generation (contraction) 
 
Contractility -Answer active shortening of muscle cell and generation of tension (force) 
 
Extensibility -Answer passive s...
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