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Physiology Wk 1 Quiz
Question | Answer |
---|---|
Shivering to try to raise your body temperature back to normal would be an example of: | the body trying to maintain homeostasis and a negative-feedback mechanism |
Positive-feedback control systems: | accelerate a change |
Intrinsic Control | is sometimes called autoregulation |
Homeostasis can best be described as: | a state of relative consistency |
Which of the following may put one at risk for developing a given disease? | Environment, Stress, Lifestyle. (all) |
The body’s thermostat is located in the: | Hypothalamus |
The normal reading or range of normal is called the: | 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. |
Of the pathogenic organisms, which of the following are the most complex? | Tapeworms |
Pathogenesis can be defined as: | the course of disease development |
Epidemiology is the study of the _____ of diseases in human populations. | occurrence, distribution, transmission. (all) |
Negative-feedback mechanisms: | minimize changes in blood glucose levels, maintain homeostasis, and are responsible for an increased rate of sweating when air temperature is higher than body temperature. (all) |
Negative-feedback control systems: | oppose a change |
The term that literally means self-immunity is: | autoimmunity |
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses |
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 |
Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
The contraction of the uterus during the birth of a baby is an example of _____ feedback. | Positive |
Which of the following is not one of the basic components in a feedback control loop? | Transmitter |
Which of the following is a basic component of every feedback control loop? | sensor mechanism, integrating center, effector, feedback, (all) |