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1-6
| Question | Answer |
|---|---|
| According to the sliding filament theory | actin moves past myosin. |
| the energy required for muscular contraction is obtained by hydrolysis of | ATP |
| The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the | synchrondrosis. |
| The four kinds of protein that make up myofilaments are myosin, actin, | tropomyosin, and troponin. |
| The more muscle fibers contracting at the same time, the stronger the contraction of the entire muscle. The number of muscle fibers contracting depends on how many motor units are | recruited. |
| Which of the following is not a characteristic of the diaphysis? | Provides a bulbous shape for attachment of muscle |
| The primary ossification center of a long bone is located: | in the diaphysis. |
| As the activity of osteoblasts increases, the: | amount of calcium in bone increases. level of calcium in the blood decreases. |
| After the age of 50, the density of bone: | decreases slowly because of a shift in the remodeling activity. |
| The cell organelles that synthesize organic matrix substances in bone formation are: | endoplasmic reticulum and Golgi apparatus. |
| Adipocytes, found in the yellow bone marrow, stores and releases ____________________________ for energy. | fat and triglycerides |
| Without red bone marrow, bones would not be able to ________. | make blood cells |
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | Stratum spinosum |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| Which of the following is not a characteristic of smooth muscles? | Having intercalated disks |
| Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| Which type of tissue has the greatest capacity to regenerate? | Epithelial |