Biology > SOPHIA PATHWAY > Sophia_Human_Biology_Milestone_2 (A GRADE) - Ashford University | Sophia_Human_Biology_Milestone_2 ( (All)
Sophia_Human_Biology_Milestone_2 (A GRADE) - Ashford University Sophia_Human_Biology_Milestone_2 (A GRADE) 1 Which of the following involves ligaments being stretched too far or torn? ● Simple ... fractures ● Complete fractures ● Compound fractures ● Sprains and strains CONCEPT Skeletal Health and Disorders 2 Which of the following represents an involuntary muscle contraction? ● Jude turns the page of a book he's reading. ● Michael swats a fly away from his food. ● Roxanne goes for a walk to stimulate her muscles the day after finishing a marathon. ● Maureen's pupils narrow in response to bright light. CONCEPT Muscular System 3 Which of the following statements is true? ● The pectoral girdle contains the shoulders, arms and hands. ● The pectoral girdle contains the legs and feet. ● The pelvic girdle contains the hips and lower spine. ● The pelvic girdle contains the shoulders, arms and hands. CONCEPT Skeleton 4Which of these accurately describes the change in the muscle cells of a person running a marathon? ● Decrease in the number of mitochondria ● Decrease in myoglobin ● Increase in myoglobin ● Increase in the number of skeletal muscles CONCEPT Muscle Building and Steroids 5 Which of the following is released by the brain when there is too little calcium in the blood? ● Parathyroid hormone (PTH) ● Calcitonin ● Osteoblasts ● Osteoclasts CONCEPT Homeostasis and Bone Remodeling 6 What does red bone marrow do? ● It produces red blood cells only. ● It produces white blood cells only. ● It converts itself to yellow marrow when necessary. ● It produces red and white blood cells. CONCEPT Bone Structure and Growth 7Which kind of joint allows the arm to bend? ● Suture ● Cartilaginous ● Synovial ● Fibrous CONCEPT Joints 8 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 substance that occurs naturally in muscle tissue and are sometimes consumed as a supplement by weight trainers. ● They are a protein naturally found in muscles that binds to oxygen from the blood, which working muscles need in order to function. CONCEPT Muscle Building and Steroids 9 Which of the following best characterizes white skeletal muscles? ● They require more energy and thus contain more mitochondria than red skeletal muscles. ● They fatigue more quickly than red skeletal muscles. ● They contain large amounts of myoglobin. ● Most muscles in your body are white skeletal muscles. CONCEPTTypes of Skeletal Muscle and Muscle Contraction Overview 10 When a muscle is at rest, what blocks myosin from binding with actin? ● Myoglobin ● Tropomyosin ● Creatine ● Troponin CONCEPT Nervous System and Contractions 11 Which of these muscular disorders can be passed by parents to their offspring? ● Muscle spasm ● Atrophy ● Muscular dystrophy ● Tetanus CONCEPT Muscle System Disorders 12 When a skeletal muscle contracts, what term is used for the end of the muscle that is attached to a moveable bone? ● Origin ● Extensor ● Insertion ● Tendon CONCEPT Skeletal Muscles13 Which of the following is NOT a key symptom of carpal tunnel syndrome? ● Deterioration of the carpal bones ● Inflammation of tendons in the wrist ● Pain in the wrist and hand ● Numbness and tingling in the fingers CONCEPT Skeletal Health and Disorders 14 Some muscle groups work ________, meaning one muscle in the group opposes the action of the other. ● synergistically ● antagonistically ● anaerobically ● aerobically CONCEPT Types of Skeletal Muscle and Muscle Contraction Overview 15 The image is showing the _________ of muscle contraction. ● calcium release ● fiber bundling ● repeated stimulation ● sliding filament mechanismCONCEPT Muscle Contractions: Micro Level [Show More]
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