What statement does NOT describe the methods by which chemical buffer systems operate to maintain pH?

A) Buffer systems consist of a weak acid and its conjugate weak base which function to resist large swings in pH.
B) When a strong acid is added to a solution, the weak base of the buffer system binds the released hydrogen ions and removes them from solution.
C) When a strong base is added to a solution, the buffer system's weak acid releases its hydrogen ions to bind the base ions.
D) All excess hydrogen ions are removed from the body in the urine.


Answer: D

Anatomy & Physiology

You might also like to view...

The permeability of the plasma membrane to mineral ions

A. is only possible because of the hydrophobic interior of the lipid bilayer. B. is affected by differences in electrical charge on the two sides of the membrane. C. is the same in all cell types. D. is zero in all living cells. E. is not influenced by channels formed by proteins.

Anatomy & Physiology

The limbic system

a. is a ring of forebrain structures surrounding the brain stem. b. plays a key role in emotion. c. contains regions designated as reward and punishment centers. d. two of these answers are correct. e. all of these answers.

Anatomy & Physiology

Which lymph nodes would likely become inflamed with an ear infection?

A) cervical lymph nodes B) thoracic lymph nodes C) intestinal lymph nodes D) none of the lymph nodes, but the spleen E) axillary lymph nodes

Anatomy & Physiology

In the mammary glands, 15 to 30 of these expanded chambers open onto the surface of each nipple.

A) lobes B) lobules C) lactiferous ducts D) lactiferous sinuses E) suspensory ligaments

Anatomy & Physiology