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Week 7 Assignment
| Effectors can be described as | organs that directly influence controlled physiological variables. |
| Pathogenesis can be defined as: | the course of disease development. |
| The body’s thermostat is located in the: | hypothalamus |
| Homeostasis can best be described as: | a state of relative constancy. |
| Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? | Prion |
| Negative-feedback control systems: | oppose a change. |
| The normal reading or range of normal is called the | set point. |
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
| Positive-feedback control systems: | accelerate a change. |
| Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses. |