Myofilaments Study guides, Class notes & Summaries
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CanFitPro - FIS Theory Exam (100% correct answers)
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ATP-CP System (Max effort - very short) 
Lactic Acid or Glycolytic System (Hard effort) 
Aerobic or Oxidative (Steady state effort) correct answers 3 energy systems 
 
Cardiorespiratory capacity 
Muscular capacity 
Flexibility correct answers three primary components of fitness 
 
• Decreased resting Heart Rate 
• Decreased risk of cardiovascular disease 
• Improved endurance 
• Increased stroke volume & cardiac output correct answers 4 benefits of training the cardivoscular system 
 
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A&P 1 Final Exam, Straighterline Anatomy and Physiology 1, Straighterline A&P 1 Cumulative Final Exam 2024
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A&P 1 Final Exam, Straighterline Anatomy 
and Physiology 1, Straighterline A&P 1 
Cumulative Final Exam 2024 
What is the smallest level of organization in the body that contains the body's genetic 
information? 
Select one: 
a. chemical 
b. cellular 
c. tissue 
d. organism - Answer-B. Cellular 
The cellular level includes the nucleus, an organelle that contains the body's genetic 
information. 
Which is an example of a normally occurring positive-feedback mechanism? 
Select one: 
a. elevated bl...
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Rio Salado BIO 201 Anatomy & Physiology Final questions with correct answers
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What is the connective tissue covering that encloses the sarcolemma of an individual muscle fiber? 
 
A) epimysium 
B) perimysium 
C) endomysium 
D) periosteum - Answer C) endomysium 
 
What is a fascicle? 
 
A) muscle 
B) bundle of muscle fibers enclosed by a connective tissue sheath 
C) bundle of myofibrils 
D) group of myofilaments - Answer B) bundle of muscle fibers enclosed by a connective tissue sheath 
 
What are the differences, if any, in the composition for thick and thin myofilame...
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Chapter 10: Muscle Tissue Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora.
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Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora. 
 
Multiple Choice & Essays 
 
1.	How much of the total body weight of the average adult is muscle tissue? 
a.	20-30% 
b.	30-40% 
c.	40-50% 
d.	50-60% 
e.	60-70% 
Ans: C 
Difficulty: medium 
Feedback: Chapter Opener 
	2.	The different types of muscle tissue differ from each other by: 
a.	Microscopic anatomy 
b.	Location 
c.	Type of Control 
d.	Both a and b 
e.	All of the above 
Ans: E 
Diffic...
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BIO201 Graded Exam 3 Topic 12: Spinal Cord, Spindal Nerves, Brain and Cranial Nerves FALL 2023
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Which of the following situations occurs in electrically excitable cells? 
Select one: 
a. The sodium-potassium pump moves sodium into the cell. 
b. The opening and closing of ligand-gated channels cause depolarization. 
c. Sodium ion channels are opened by high extracellular calcium levels. 
d. When Na ion channels open, K ion channels close. 
e. Depolarization causes voltage-gated sodium ion channels to open. 
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My Account 
Question 2 
Correct 
5.00 points out 
of 5.00 
Question 3 
Correct ...
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WVU Biology 102 Exam 5 Questions and Answers Already Passed
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WVU Biology 102 Exam 5 Questions and 
 
Answers Already Passed 
 
What are the functional units of the nervous system? neurons 
 
Basic structure / function of the neuron - dendrites, cell body and axon. Dendrites- receive 
impulses from the synapses of other 
Axon- place along which the message is sent. Long rope like object. 
Myelin Sheath- cover around the Axon, increases the speed of the message sent. 
 
What happens during an "action potential"? Sodium (Na) start out and then rushes in- 
...
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ANP 319 LAB PRACTICAL 2 EXAM 2024 WITH 100% CORRECT ANSWERS
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ANP 319 LAB PRACTICAL 2 EXAM 2024 WITH 100% CORRECT ANSWERS 
 
Sarcomere anatomy (what each is made of) - correct answer Z-line: made of alpha actin, establishes ends of sarcomere and is actin anchor point. 
I-Band: Segment of only actin 
H-zone: Segment of only myosin 
A-Band: Segment of myosin and its actin overlap 
M Line: Innervates the sarcomere? establishes center. Made of *Myomesin* 
 
What gets shorter and what doesnt when sarcomere contracts - correct answer Does: Sarcomere (z line to z...
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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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BIO 252 EXAM 1 STUDY GUIDE-PART 1 Chamberlain college of nursing
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exam 1 = 29 questions 
 3 essay questions 
 7 image questions 
 Rest is M.C. 
1. Gross structure of muscle and surrounding connective tissue: 
a. The muscle is arranged in a hierarchical structure: 
i. Whole muscle: 
1. Made up of multiple muscle fascicles 
2. Surrounded by epimysium: 
a. External sheath of connective tissue surrounding the 
whole muscle. 
b. Separates whole muscles from one another 
ii. Muscle fascicle: 
1. Bundles of individual muscle fibers 
2. Surrounded by perimysi...
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Lab 7 The Muscular System BIO201L Straighterline Anatomy and Physiology 1 Lab BIO201L Lab 7 The Muscular System Worksheet 2023
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Pre-Lab Questions 
1. How do banding patterns change when a muscle contracts? 
When a muscle contracts, the banding patterns within the muscle change due to the sliding 
filament theory of muscle contraction. This theory suggests that muscle contraction occurs 
when thin filaments (actin) slide over thick filaments (myosin), resulting in the overlapping of 
these filaments and shortening of the sarcomeres, which are the basic contractile units of the 
muscle. As a result, the dark A bands, which...