A.1.2. MCQ – BasicPhysiology.org

A.1.2. Physiological Concepts – MCQ’s

Created on February 26, 2023 By

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A.1.2. Physiological Concepts

Physiological Concepts

1 / 4

Which of the following systems are based on a negative feedback system?

Body temperature control in frogs

Cruise control in a car

Clotting by blood platelets

Initiation of an action potential

Accruing interest in a bank account

2 / 4

In a typical functioning feedback loop, a variable has been modified by a disturbance from outside. What will happen in the case of a positive feedback?

the variable will further increase

the variable will decrease

the variable will return to its original value

the variable will increase to its original value

the variable will not change

3 / 4

In a typical functioning feedback loop, a variable has been modified by a disturbance from outside. What will happen in the case of a negative feedback?

a. the variable will further increase

b. the variable will further decrease

c. the variable will return to its original value

d. the variable will increase to its original value

e. the variable will not change

4 / 4

Which of the following systems are based on a positive feedback system?

Body temperature control in frogs

Cruise control in a car

Clotting by blood platelets

Temperature control in a homeotherm organism

Sugar concentration in the blood circulation

Your score is

The average score is 36%

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