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Human Physiology Wee
Week 1
Question | Answer |
---|---|
What does Positive-feedback control systems do? | accelerate a change |
Normal Reading or range of normal is called | set point |
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 |
Epidemiology is the study of the ________ of disease in human populations. | occurrence |
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called? | viruses |
negative-feedback mechanisms: | minimize changes in bg levels, maintain homeostasis, are responsible for an increased rate of sweating when air temperature is higher than body temperature. |
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 |
What is Intrinsic control? | is sometimes called autoregulation |
What is the basic component of every feedback control loop | sensor mechanism, integrating center, effector,feedback |
Of the pathogenic organisms, which of the following are the most complex? | tapeworm |