Chat with AIExam 11: The Muscular System Unit Iii: Control Systems of the Human Body
Exam 1: An Introduction to the Human Body74 Questions
Exam 2: The Chemical Level of Organization75 Questions
Exam 3: The Cellular Level of Organization76 Questions
Exam 4: The Tissue Level of Organization75 Questions
Exam 5: The Integumentary System Unit Ii: Principles of Support and Movement74 Questions
Exam 6: The Skeletal System: Bone Tissue75 Questions
Exam 7: The Skeletal System: the Axial Skeleton75 Questions
Exam 8: The Skeletal System: the Appendicular Skeleton75 Questions
Exam 9: Joints75 Questions
Exam 10: Muscle Tissue75 Questions
Exam 11: The Muscular System Unit Iii: Control Systems of the Human Body75 Questions
Exam 12: Nervous Tissue75 Questions
Exam 13: The Spinal Cord and Spinal Nerves75 Questions
Exam 14: The Brain and Cranial Nerves75 Questions
Exam 15: The Autonomic Nervous System75 Questions
Exam 16: Sensory, Motor and Integrative Systems75 Questions
Exam 17: The Special Senses75 Questions
Exam 18: The Endocrine System Unit Iv: Maintenance of the Human Body75 Questions
Exam 19: The Cardiovascular System: the Blood74 Questions
Exam 20: The Cardiovascular System: the Heart74 Questions
Exam 21: The Cardiovascular System: Blood Vessels and Hemodynamics75 Questions
Exam 22: The Lymphatic System, Nonspecific Resistance to Disease, and Immunity75 Questions
Exam 23: The Respiratory System75 Questions
Exam 24: The Digestive System75 Questions
Exam 25: Metabolism73 Questions
Exam 26: The Urinary System73 Questions
Exam 27: Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity48 Questions
Exam 28: The Reproductive Systems74 Questions
Exam 29: Development and Inheritance75 Questions
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Briefly describe the three categories of levers based on the position of their fulcrum.Give an example of each type of lever and state whether the lever works at a mechanical advantage,disadvantage or both.
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VerifiedIf the fulcrum is between the effort and the load it is a first class lever.Scissors are an example of a first class lever.A first class lever can produce either a mechanical advantage or disadvantage depending on whether the effort or load is closer to the fulcrum.If the load is between the fulcrum and the effort,it is a second class lever.A wheel barrow is an example of a second class lever.They operate at a mechanical advantage because the load is always closer to the fulcrum than the effort.If the effort is between the fulcrum and the load,it is a third class lever.Forceps are an example of a third class lever.They operate at a mechanical disadvantage because the effort is always closer to the fulcrum than the load.
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Most muscles cross at least one
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In the diagram,where is the fulcrum?
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All of the following are muscles of the lower limb EXCEPT the
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A condition where the two eyeballs are not properly aligned is referred to as
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(45) Which of the following is a muscle whose insertion is found on the clavicle and acromion process of the scapula within the pectoral girdle?
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(33) The muscle that serves as the "prime mover" during a movement is called the
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If one is stabbed on the lateral side of the abdomen,what abdominal muscles,in order from superficial to deep,will the knife go through?
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(28) What anatomical structures of the musculoskeletal system correspond to the components of a lever system? Describe the arrangement of these parts in first,second,and third class lever systems.
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