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kristineminer-allen
midterm ch1
Question | Answer |
---|---|
homeostasis can best be described as | a state of relative constancy. |
Of the 11 major body systems, which is the least involved in maintaining homeostasis? | reproductive |
Positive-feedback control systems: | accelerate a change |
ntracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses. |
The term that literally means self-immunity is: | autoimmunity. |
Pathogenesis can be defined as: | the course of disease development |
The normal reading or range of normal is called the: | set point. |
Epidemiology is the study of the _____ of diseases in human populations | occurrence distribution transmission |
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 |
The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
Shivering to try to raise your body temperature back to normal would be an example of: | the body trying to maintain homeostasis. a negative-feedback mechanism |
a negative-feedback mechanism | s sometimes called autoregulation. |
Negative-feedback mechanisms: | minimize changes in blood glucose levels. maintain homeostasis. are responsible for an increased rate of sweating when air temperature is higher than body temperature. |
Which of the following may put one at risk for developing a given disease? | Environment Stress Lifestyle |
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: | prion |
Negative-feedback control systems: | oppose a change. |
Which of the following is a basic component of every feedback control loop? | sensor mechanism. integrating center . effector. feedback . |