Final Exam-WSU BIO 251 Questions and Answers 100% Solved

Final Exam-WSU BIO 251 Questions and Answers 100%
Solved
The activity of the respiratory system can compensate for an acidosis, ie. decrease in pH,

by______


A. a hyperventilation-induced increase in CO2 in the body


B. a hypoventilation-induced increase in CO2 in the body


C. a hyperventilation-induced decrease in CO2 in the body


D. a hypoventilation-induced decrease in CO2 in the body


E. increasing the amount of hydrogen ion in the blood Correct Answer-C. a

hyperventilation-induced decreased in CO2 in the body




Which of the following acts as a buffer to minimize changes in INTRACELLULAR pH?


A. phosphate and proteins


B. bicarbonate


C. chloride


D. potassium


E. sodium Correct Answer-A. phosphate and proteins




What is the first line of defense against changes in blood pH?

, Final Exam-WSU BIO 251 Questions and Answers 100%
Solved
A. respiratory compensation


B. buffering of hydrogen ions


C. renal compensation


D. cardiac compensation


E. hepatic compensation Correct Answer-B. buffering of hydrogen ions




How might a high-fat diet cause metabolic acidosis?


A. due to the breakdown of fat into fatty acids which are acids


B. due to the production of phosphoric and sulfic acids


C. due to a loss of hydrogen ions


D. due to gain of phosphate


E. due to a loss of bicarbonate Correct Answer-A. due to the breakdown of fat into fatty

acids which are acids




Which of the following is NOT a basic process of digestive system?


A. digestion


B. filtration

, Final Exam-WSU BIO 251 Questions and Answers 100%
Solved
C. absorption


D. secretion


E. motility Correct Answer-B. filtration




What cells secrete pepsinogen into the lumen of the stomach?


A. goblet


B. G cells


C. parietal


D. chief


E. neck Correct Answer-D. chief




What type of cell secretes both gastric acid and intrinsic factor into the lumen of the

stomach?


A. goblet


B. parietal


C. chief


D. neck