Answer to Question #302022 in Biology for mcc

Question

Which of the following statements regarding blood pressure is not true?

c. Blood pressure is regulated by the renin-angiotensin-aldosterone pathway.

b. Blood pressure varies throughout the cardiac cycle.

d. Blood pressure can be altered by adrenaline.

a. Blood pressure is constant throughout the body.

Which of the following statement about Homeostasis is incorrect________________

c. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment

a. There is a definite control system that regulates the homeostatic activities

b. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment

d. All are correct

Which of the following statements best describes homeostasis?

b. dynamic equilibrium

a. Keeping the body in a fixed and unaltered state.

c. Maintaining a near-constant internal environment.

d. Altering the external environment to accommodate the body's needs

Answer 1

1. a. Blood pressure is constant throughout the body.
2. b. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment

d. All are correct

3.c. Maintaining a near-constant internal environment.