Match the following letters to the appropriate event in the contraction cycle. A B C D E B ente E D A SA node fires atrial contraction occurs atria relax ventricular systole ventricles relax < >
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- An extensor mechanism injury may be characterized by O strong quadriceps concentric contraction abnormally high tensile loads placed on the patella strong hamstrings eccentric contraction O abnormally high compression loads placed on the patella Question 20Fill-in Version of Artery Guides and Limits Carotid Artery A-Guide: along the border of the muscle. L-guide: line drawn from articulation to process. A-Limits: articulation to border of the cartilage. (Key features are: which border and which cartilage) Axillary Artery A-G: Posterior to the border of the М. L-G: Through the middle of the A-L: First to the tendons of insertion of the Muscle. Brachial Artery A-G: Posterior to the medial border of the. Muscle. L-G: from middle of_ to a point on the forearm one inch below the or A-L: Tendons of insertion of the Ulnar Artery A-G: Lateral to the tendons of insertion of the. muscle. L-G: From a point on the forearm inferior to to the space between digits number, A-L: Elbow toProper positioning is critical to the prevention of pressure injuries and contractions. When the patient is in the supine position with knees bent for prolonged periods of time, what is a common contracture that you want to prevent? ( assume hips are in a neutral position)
- Miguel required a/an _________________injection. This term means that the medica-tion was placed directly within the muscle.Can cardiac muscle exhibit (normally or under experimental conditions) summation or complete tetanus as does skeletal muscle? Why not? (highlight the main answer)The EMG is a recording of: * The action potentials of the motor nerves supplying the muscle fibers. The action potentials of the innervated muscle fibers. The contractions of the innervated muscle fibers O The action potential of the pacemaker cells O The electrical activity in the sarcoplasmic reticulum
- Indicate if the statements are TRUE or FALSE. Statements TRUE FALSE Hematopoiesis would most likely take place in the hyoid bone. A muscle triad consists of sarcoplasmic reticulum, a T tubule, and a terminal cisternum. Actin is found only in the striated fibers of cardiac and skeletal muscles. A sarcomere is the region of a myofibril that lies between two consecutive Z lines. Slow twitch muscle fibers are more resistant to fatigue than other muscle fiber types. Thin myofilaments are primarily composed of myosin proteins. An action potential in a muscle fiber is initiated by stimulation across the neuromuscular junction.Can cardiac muscle exhibit (normally or under experimental conditions) summation or complete tetanus as does skeletal muscle? Why not? (highlight the main concepts)Describe the following terms Muscle Insertion Agonist Antagonist Synergist Abductor