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Felicita Cardenas
SCI221-08 Human physiology with lab
| Question | Answer |
|---|---|
| Which four different kind of protein molecules make up myofilaments? | Myosin, Actin, Tropomyosin and troponin |
| what are myofibrils? | Are a bundle of very fine cytoskeletal filaments that extend length along skeletal muscle fibers |
| What the usual percentage of muscle fibers to contract? | a) 60% b) 80% C) 70% D) All of them Answer: B |
| Is the low level of continuous contraction of the muscle of normal individuals when awake | Muscle tone |
| Cardiac Muscle is also known as | Straited involuntary muscle |
| synovial | Are freely movable joints |
| How many saddle joints are present in the body? | 2 one in each thumb |
| Which joint is the largest, most complex and most commonly injured in the body? | Tibiofemoral joint (Knee) |
| The splitting of the plasma membrane and cytoplasm into two | Cytokinesis |
| The type of cell division that occurs in primitive sex cells | Meiosis |
| Polysaccharides are also known as | Complex sugar |
| How many amino acids cannot be produced by the body and what are they called? | 8, essential amino acids |
| Which control system does not operate to help the body maintain a stable homeostatic condition? | Positive feedback |
| Which are the unique features in the infant skull? | Fontanels |
| When the bone marrow becomes severely damaged or disease what can be a lifesaving treatment? | Bone Marrow transplant |