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BIOL 115 Chapter 2 Milestone 2020 – Strayer University | BIOL115 Chapter 2 Milestone 2020

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BIOL 115 Chapter 2 Milestone 2020 – Strayer University 13 questions were answered correctly. 2 questions were answered incorrectly. 1 Which exercise will help build larger and stronger muscles? • Biking • Swimming • Weightlifting • Yoga CONCEPT Muscle Building and Steroids 2 Which of the following involves ligaments being stretched too far or torn? • Complete fractures • Compound fractures • Simple fractures • Sprains and strains CONCEPT Skeletal Health and Disorders 3 Which kind of joint allows the arm to bend? • Cartilaginous • Suture • Synovial • Fibrous CONCEPT Joints 4 Which of the following is NOT a key symptom of carpal tunnel syndrome? • Inflammation of tendons in the wrist • Deterioration of the carpal bones • Pain in the wrist and hand • Numbness and tingling in the fingers CONCEPT Skeletal Health and Disorders 5 Select the true statement about anabolic steroids. • They are a synthetic substance manufactured to mimic testosterone that athletes sometimes use to build muscles. • They are a synthetic substance manufactured to mimic human growth hormones that athletes sometimes use to promote bone growth. • They are a protein naturally found in muscles that binds to oxygen from the blood, which working muscles need in order to function. • They are a substance that occurs naturally in muscle tissue and are sometimes consumed as a supplement by weight trainers. CONCEPT Muscle Building and Steroids 6 Which of the following is released by the brain when there is too little calcium in the blood? • Osteoblasts • Osteoclasts • Calcitonin • Parathyroid hormone (PTH) CONCEPT Homeostasis and Bone Remodeling 7 What does red bone marrow do? • It produces white blood cells only. • It converts itself to yellow marrow when necessary. • It produces red blood cells only. • It produces red and white blood cells. CONCEPT Bone Structure and Growth 8 Which of the following body parts is included in the axial skeleton? • Ribcage • Feet • Hips • Shoulders CONCEPT Skeleton 9 When a skeletal muscle contracts, what term is used for the end of the muscle that is attached to a moveable bone? • Insertion • Origin • Tendon • Extensor CONCEPT Skeletal Muscles 10  The image is showing the _________ of muscle contraction. • calcium release • repeated stimulation • sliding filament mechanism • fiber bundling CONCEPT Muscle Contractions: Micro Level 11 Which of the following represents an involuntary muscle contraction? • Jude turns the page of a book he's reading. • Roxanne goes for a walk to stimulate her muscles the day after finishing a marathon. • Michael swats a fly away from his food. • Maureen's pupils narrow in response to bright light. CONCEPT Muscular System 12 Which of the following activities uses white skeletal muscles? • Snapping your fingers • Running a marathon • Walking • Swimming CONCEPT Types of Skeletal Muscle and Muscle Contraction Overview 13 Which of the following is required for muscle contraction? • Sodium • Calcium • Zinc • Magnesium CONCEPT Nervous System and Contractions 14 Which of these muscular disorders can be passed by parents to their offspring? • Muscle spasm • Atrophy • Tetanus • Muscular dystrophy CONCEPT Muscle System Disorders 15 __________ acts on groups of paired muscles. When one muscle contracts, the opposite muscle cannot contract because no stimulus is sent. • Synergistic contraction • Sliding-filament mechanism • Antagonistic contraction • Reciprocal innervation

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