LABORATORY REPORT Activity 3: Recruitment and Contractions Name: Instructor: Date: PREDICTIONS 1. When the arm goes from resting to flexing, the amplitude and frequency of sEMG spikes will: increase 2. During flexion, the amplitude and frequency of sEMG spikes will _be more_ during extension. 3. Recruitment of motor units will be greatest when the load is: 20 MATERIALS AND METHODS Comparison of motor unit activation during muscle tone and concentric and eccentric i...

A&P II Final Exam Study Guide – September, 2019 Chapter 10: Muscle Tissue Characteristic Skeletal Muscle Cardiac Muscle Smooth Muscle Location Attached to bones Heart Lines organs, airways, and blood vessels Presence of Sarcomeres/Striations Yes Yes No Nervous Control Voluntary Involuntary Involuntary Presence of Intercalated Discs No Yes No Speed of Contraction Fast Moderate Slow  Muscle Components (Tube inside a tube)

BIOS 252 Midterm Review – Question and Answers T Tubules are extensions of the _____ in skeletal muscle? CN III innervates with of of the following muscle? The brain and spinal chord are part of the ______ nervous system? A wheelbarrow is an example of a _______ class lever? The muscle contraction pulling on its insertion point, corresponds to what part of the lever system? A synovial joint corresponds to what part of the lever stem? When would voltage-gated Sodium channels open rapidly? Which...

BIOS 252 Midterm Review – Question and Answers T Tubules are extensions of the _____ in skeletal muscle? CN III innervates with of of the following muscle? The brain and spinal chord are part of the ______ nervous system? A wheelbarrow is an example of a _______ class lever? The muscle contraction pulling on its insertion point, corresponds to what part of the lever system? A synovial joint corresponds to what part of the lever stem? When would voltage-gated Sodium channels open rapid...

BIOS 252 Final Exam – Essay Questions and Answers Define spinal reflex and use an example from the body to illustrate a spinal reflex.(Page 446) Describe sleep and its major stages and then contrast sleep to coma – how are they similar and how do they differ.(Page 570) Explain language usage and comprehension including a description of the two major language areas of the brain, where they are located and what they are specialized to accomplish, including what happens when damage occurs to e...