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Physiology
Physiology weeks 1-6
| Question | Answer |
|---|---|
| The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as | organs that are directly influenced by physiological variables or mechanisms. |
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
| A structural lipid found in the cell membrane is a: | phospholipid and steroid |
| ATP | is the form of energy that cells generally use. |
| Diffusion | is the net movement of molecules from a region of higher concentration to a region of lower concentration. |
| Osmosis | is the net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. |
| The nail body forms at the nail root, which has a matrix of proliferating cells from the _____________ that enables the nail to grow continuously. | stratum basale |
| Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum | basale |
| The fontenelles of an infant's skull consists of | fibrous membrane |
| Normally, bone loss will begin to exceed bone gain between the ages of _____ years. | 35 and 40 |
| A gliding joint is an example of a(n) _____ joint. | multiaxial |
| During inspiration, the _____ flatten(s), thus increasing the size and volume of the thoracic cavity. | diaphragm |
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