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Intrinsic control:
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What may put you at risk for developing a given disease
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Week 1 Physiology

Week 1

QuestionAnswer
Intrinsic control: is sometimes called autoregulation
What may put you at risk for developing a given disease environment stress lifestlye
Postivie feedback control systems accelerate a change
The body's thermostat is located in the hypothalamus
If the secretion of the oxytocin during childbirth operated as a negative feedback control loop, what affect would it have on the uterine contractions Oxytocin would inhibit uterine contractions
Of the 11 major body systems, which is the least involved in maintianing homeostasis? Reproductive
The normal reading or range of normal is called the set point
Which of the folliwing is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? Prion
Shivering to try to raise your body temperature back to normal would be an example of The body trying to maintain homeostasis negative feedback mechanism
Pathogenesis can be difined as the course of disease development
Intracellular parasites that consists of DNA or RNA surrounded by a protein coat and sometimes by a lipopritein envelope are called Viruses
The term that literally means self immunity is Autoimmunity
Negative feedback mechanisms -Minimizes changes in blood glucose levels -Maintains homeostasis -Are responsible for an increased rate of sweating when air temp is higher than body temp
Of the pathogenic organisms which of the following are the most complex Tapeworms
Basic components in a feedback control loop Effector mechanism Sensor Integrating center
Negative feedback control systems Oppose a change
Epidemiology is the study of the ____ of diseases in human populations Occurence Distribution Transmission
Homeostasis can be best described as A state of relative constancy
The contraction of the uterus during childbirth of a baby is an example of _____ feedback Positive
Basic component of every feedback control loop Effector Sensor mechanism Integrating center Feedback
Intracellular regulation Operates at the cell level, often using Gene's and enzymes to regulate cell function
The concept that information may flow ahead to another process to reigger a change in anticipation of an event that will follow is called Feed forward
What term describes a signal traveling toward a particular center or point of reference Afferent
Many complex processes of the body are coordinated at many levels these include Extrinsic Intrinsic Intracellular
Extrinsic control usually involves which mode of regulation Nervous Endocrine
To accomplish self regulation, a highly complex and integrated communication control system or network is required. This type of network is called a Feedback control loop
The body naturally changes some set points to different values at different time of the day. These daily cycles are called Circadian cycles
Events that lead to an immune response to an ear infection or the formation of a blood clot are examples of Positive feedback
Local control or _____ intrinsic mechanisms often make use of chemical signals Auto regulation
Effector can be described as Organs that directly influence controlled physiological variables
Because negative feedback control systems oppose changes that are ppposote in direction to the initial disturbance they are Slowed or maintained in the homeostatic range
The relatively constant state maintained by the body is known as Homestasis
The impact effector activity on sensors may be positive or negative therefore homeostatic control mechanisms are categorized as Organs that are directly influenced by physiological variables or mechanisms
Processes for maintaining or restoring homeostasis are known as Homeostatic control mechanisms
Of the pathogenic organisms which if the following are the most complex Tapeworms
Positive feedback control systems Accelerate a change
Created by: Hydecar
 

 



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