FREE AND STUDY GAMES ABOUT PHYSIOLOGY STACK 1

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FREE AND STUDY GAMES ABOUT PHYSIOLOGY STACK 1

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -20 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: The normal reading or range is called the

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Set point Question 2: The impact of effector activity on sensors may be positive or negative. Therefor, homeostatic control mechanisms are categorizes as

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Organs that are directly influenced by physiological variables or mechanisms Question 3: Events that lead to an immune response to an infection or the formation of a blood clot are examples of

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Positive feedback

Question 4: Processes for maintaining or restoring homeostasis are known as

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homeostatic control mechanisms

Question 5: The body naturally changes some set points to different values at different times of the day. These daily cycles are called

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Circadian cycles

Question 6: Negative feedback control systems do what?

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Oppose a change

Question 7: Effectors can be described as

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Organs that are directly influence controlled physiological variables

Question 8: The relatively constant state maintained by the body is known as

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homeostasis Question 9: Local control or ____, intrinsic mechanisms often make use of chemical signals

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Autoregulation

Question 10: Positive feedback control systems do what?

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Accelerate a change Question 11: To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is acalled a

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Feedback control loop Question 12: The concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow is called

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Feed-forward

Question 13: What term describes a signal traveling toward a particular center or point of reference?

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Afferent Question 14: Because negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are

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Slowed or maintained in the homeostatic range

Question 15: Extrinsic control usually involves which mode of regulation?

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Nervous and endocrine Question 16: Many complex processes of the body are coordinated at many levels. These include

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Intracellular, intrinsic, and extrinsic Question 17: What protein substance with no DNA or RNA is thought to be the cause of mad cow disease?

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Prion Question 18: Which level of control operates at the cell level, often using genes and enzymes to regulate cell function?

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Intracellular regulation

Question 19: The normal reading or range of normal is called the

Answer:

Set point

Question 20: What are the basic components of every feedback control loop?

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Sensor mechanism, integrating center, effector, and feedback