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sandy vinalay
human physiology with lab
| Question | Answer |
|---|---|
| If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? | Oxytocin would inhibit uterine contractions. |
| Which of the following is not one of the basic components in a feedback control loop? | Transmitter |
| The body’s thermostat is located in the: | hypothalamus. |
| Which of the following proteins found in myofilaments contains the cross-bridges? | Myosin |
| All of the following are true characteristics of an isometric contraction except: | movement is produced. |
| Thick myofilaments extend the length of the | A-band. |
| A contraction in which the tension within the muscle remains the same but the length changes is called a(n) _____ contraction. | isotonic |
| Cross-bridges are also called: | myosin heads. |
| Which joint allows for the widest range of movement? | Ball and socket |
| The ability of muscle cells to respond to nerve stimuli is called: | extensibility. |