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Chamberlain College of Nursing: BIOS 252 Final Exam Study Guide (2 Versions, Latest-2022) / BIOS252 Final Exam Study Guide: Anatomy and Physiology II with Lab | Complete and Latest Guide |
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Chamberlain College of Nursing: BIOS 252 Final Exam Study Guide (2 Versions, Latest-2022) / BIOS252 Final Exam Study Guide: Anatomy and Physiology II with Lab | Complete and Latest Guide |
Chamberlain College of Nursing: BIOS 252 A& P II Final Exam Study Guide (2 Versions, Latest-2022) / BIOS252 A...
chamberlain college of nursing bios 252 final exam study guide 2 versions
latest 2022 bios252 final exam study guide anatomy and physiology ii with lab | complete and latest guide | chamberlain
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BIOS 252 Final Exam Study Guide
Chapter 10: Muscle Tissue
Characteristic Skeletal Muscle Cardiac Muscle Smooth Muscle
Location Attached to Heart Lines organs,
bones airways, and
blood vessels
Presence of Yes Yes No
Sarcomeres/Striations
Nervous Control Voluntary Involuntary Involuntary
Presence of No Yes No
Intercalated Discs
Speed of Contraction Fast Moderate Slow
Muscle Components (Tube inside a tube)
, Muscle fiber- Functional Unit of Skeletal Muscle
, Myosin head movement
o ATP must be present for myosin head to bind to actin filament.
o ATP hydrolyzes to form ADP and Phosphate to hold myosin to actin.
o Phosphate releases and in turn releases energy to force the myosin to pull the
actin closer.
o Depleted ADP is replaced with fresh ATP
Steps of Contractions
, Types of Muscle Metabolism
o Creatine phosphate- Lasts 15 seconds
o Anaerobic glycolysis- Lasts a couple minutes
o Aerobic Cellular Respiration- Lasts several minutes to hours
Types of Contractions
o Isotonic Contraction- muscles contract and movement occurs.
o Isometric Contraction- muscles contract, but no net movement occurs.
Skeletal Muscle Fiber Types
o Slow Oxidative Fibers
Large amounts of myoglobin and mitochondria for cell respiration
Very low amounts of creatine kinase and glycogen
Maintains posture during aerobic endurance activities
o Fast Oxidative-Glycolytic Fibers
Large amounts of myoglobin and mitochondria for cell respiration
Moderate levels of creatine kinase and glycogen
Allows for walking and sprinting
o Fast glycolytic Fibers
Very low amounts of myoglobin and mitochondria.
High amounts of creatine kinase and glycogen for anaerobic respiration.
Allows for rapid motions such as in the extraocular muscles
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