ADDITIONAL INFORMATION (MUSCULAR SYSTEM)
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ADDITIONAL INFORMATION (MUSCULAR SYSTEM) - Marcador
ADDITIONAL INFORMATION (MUSCULAR SYSTEM) - Detalles
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Preguntas:
50 preguntas
| 🇬🇧 | 🇬🇧 |
| Poisoning result from ingesting botulism toxin produced by the bacterium clostridium botulinum | BOTULISM |
| Results in the gradual atrophy of skeletal muscle fibers and their replacement with connective tissue | MUSCULAR DYSTROPHY |
| Results from the degeneration of the receptors of acetylcholine on the postsynaptic membranes of skeletal muscles fibers | MYASTHENIA GRAVIS |
| Has many peripherally located nuclei per muscle fiber | SKELETAL MUSCLE |
| Made up of many sacromeres | MYOFIBRIL |
| Attached to filaments that form the M line | MYOSIN MYOFILAMENT |
| During the depolarization phase of action potential, the permeability of plasma membrane to ____________. | NA+ INCREASES |
| Acetylcholinesterase is an important molecule in the neuromuscular junction because it | BREAKS DOWN ACTYLCHOLINE |
| Considering the force of contraction of a skeletal muscle fiber, multiple- wave summation occurs because of | An increase in Ca2+ concentration around the myofibrils. |
| Which of these events occurs during the lag (latent) phase of muscle contraction? | Ca2+ binding to troponin |
| Which of these types of fatigue is the most common? | PSYCHOLOGICAL FATIGUE |
| Jerry Jogger’s 3-mile run every morning takes about 30 minutes. Which of these sources provides most of the energy for his run? | AEROBIC RESPIRATION |
| Which of these conditions would you expect to find within the leg muscle fibers of a world-class marathon runner? | NUMEROUS MITOCHONDRIA |
| Relaxation in smooth muscle occurs when | Myosin phosphatase removes phosphate from myosin. |
| Compared with skeletal muscle, visceral smooth muscle | Maintains about the same tension, even when stretched. |
| Which of these statements concerning aging and skeletal muscle is correct? | A loss of muscle fibers occurs with aging. |
| Muscles that oppose one another are | ANTAGONISTS |
| The muscle whose name means it is to the side of midline is the | VASTUS LATERALIS |
| In a class III lever system, the____________. | Pull is located between the fulcrum and the weight. |
| A prominent lateral muscle of the neck that can cause flexion of the neck or rotate the head is the______________. | STERNOCLEIDOMASTOID |
| An aerial circus performer who supports her body only with her teeth while spinning around should have strong | Temporalis muscles masseter muscles buccinator muscles |
| The tongue’s shape changes primarily because of the action of the__________ | INTRINSIC TONGUE MUSCLES |
| The infrahyoid muscles | Fix (prevent movement of) the hyoid. |
| Prevent food from entering the nasal cavity | SOFT PALATE MUSCLES |
| Which of these movements is not caused by contraction of the erector spinae muscles? | Flexion of the vertebral column |
| Which of these muscles is not involved with the inspiration of air? a. diaphragm b. external intercostals c. scalenes d. transversus thoracis | TRANSVERSUS THORACIS |
| Divide the rectus abdominis muscles into segments. | TENDINOUS INTERSECTIONS |
| The posterior group of forearm muscles is responsible for | Extension of the fingers. |
| Which of these muscles is an intrinsic hand muscle that moves the thumb? | Flexor pollicis brevis |
| Which of the muscles flex the hip? | ILIOPSOAS |
| Which of these is not a muscle that can flex the knee? | Vastus medialis |
| The_______________ muscles evert the foot, whereas the__________muscles invert the foot. | Fibularis (longus and brevis), tibialis anterior and extensor hallucis longus |