FREE PHYSIOLOGY AND STUDY GAMES ABOUT CHAP 2

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FREE PHYSIOLOGY AND STUDY GAMES ABOUT CHAP 2

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -36 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Local control or _____, intrinsic mechanisms often make use of chemical signals.

Answer:

Autoregulation Question 2: Events that lead to an immune response to an infection or the formation of a blood clot are examples of

Answer:

positive feedback.Question 3: Many complex processes of the body are coordinated at many levels. These include

• intracellular.

-intrinsic.-extrinsic.All of these are correct.

Answer:

All of these are correct.

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

Answer:

homeostatic control mechanisms.

Question 5: The relatively constant state maintained by the body is known as

Answer:

homeostasis.Question 6: Because negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are

Answer:

slowed or maintained in the homeostatic range.Question 7: Pathogenesis can be defined as:

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the course of disease development.Question 8: Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and

sometimes by a lipoprotein envelope are called:

Answer:

Viruses Question 9: What term describes a signal traveling toward a particular center or point of reference?

Answer:

afferent Question 10: Which of the following is not one of the basic components in a feedback control loop?

Answer:

Transmitter Question 11: To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called a(n)

Answer:

feedback control loop.

Question 12: Shivering to try to raise your body temperature back to normal would be an

example of:

the body trying to maintain homeostasis.a positive-feedback mechanism.a negative-feedback mechanism.Both A & C

Answer:

Both A & C the body trying to maintain homeostasis a negative-feedback mechanism.Question 13: The normal reading or range of normal is called the:

Answer:

Setpoint Question 14: Which of the following is a basic component of every feedback control loop?sensor mechanism integrating center effector feedback All of these are components of a feedback control loop.

Answer:

All of these are components of a feedback control loop.Question 15: Which of the following may put one at risk for developing a given disease?-Environment -Stress -Lifestyle -All of the above

Answer:

All of the above Question 16: The body's thermostat is located in the:

Answer:

hypothalamus

Question 17: Which level of control operates at the cell level, often using genes and enzymes to regulate cell function?intracellular regulation

Answer:

intracellular regulation Question 18: 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.All of the above are correct.

Answer:

All of the above are correct.Question 19: Which of the following is a basic component of every feedback control loop?-sensor mechanism -integrating center -effector -feedback -All of these are components of a feedback control loop.

Answer:

All of these are components of a feedback control loop.Question 20: Intrinsic control:

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is sometimes called autoregulation.Question 21: Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease?

Answer:

prion Question 22: Epidemiology is the study of the _____ of diseases in human populations.occurrence distribution transmission All of the above are correct.

Answer: