Branched muscle fibers and intercalated discs are characteristic of ________ muscle tissue.
A. smooth
B. multinucleated
C. skeletal
D. cardiac
E. voluntary
Answer: D
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Type II alveolar cells are among the last cells to mature during fetal development. In babies born prematurely, type II alveolar cells are often not ready to perform their function. Which of the following would be TRUE of these babies?
A. They would be at risk of autoimmune diseases with lung complications. B. They would be at risk of alveolar collapse due to too much surface tension in the alveoli. C. They would be more likely to have coughing fits. D. They would be at risk of bacterial infections in the lungs. E. None of these would occur.
The prefix an- means _____. Select one:
a. without b. with c. against d. missing
One feature that helps provide fast energy to a muscle cell is the presence of granules containing the complex carbohydrate
A. hemoglobin. B. creatine phosphate. C. myoglobin. D. glycogen. E. nebulin.
Parathyroid hormone increases the activity of ___________ cells in bone and increases the rate of calcium ___________ in the kidney tubules
A. osteoclast; reabsorption B. osteoblast; reabsorption C. osteocyte; reabsorption D. osteocyte; secretion E. osteoblast; secretion