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Physiology 1-6
| Question | Answer |
|---|---|
| Because negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are | Stimulatory |
| 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. |
| A saturated fatty acid is one in which | one or more double bonds in its hydrocarbon chain are saturated with hydrogen atoms. |
| What are lipids | Fat, steroid, cholesterols |
| What are characteristics of Meiosis? | four haploid gametes, reduction division, two step cell division. |
| In which skin layer does the process of keratinization begin? | Stratum Granulosum |
| The external portion of the bone is known as | cortical bone |
| Where would you find fibrous cartilage | Invertible discs, public symphysis |
| The number of muscle fibers contracting depends on how many motor units are | Recruited |
| Muscle tone is maintained by | negative feedback mechanisms. |
| Which structure allows the electrical signals to travel along the sarcolemma and move deeper into the cell | Transverse tubule |