When the PH Falls from 7

question 5

Multiple Choice

When the pH falls from 7.40 to 7.10,with no change in the PCO_{2 ,}the concentration of H⁺ has:

• A) Decreased by half
• B) Increased twofold
• C) Changed by 0.3 mEq/L
• D) Decreased to 45 mEq/L

Understand the role of ATP in muscle contraction.

Comprehend the electrophysiological properties of muscle and nerve tissues.

Identify the factors that control muscle power and force of contraction.

Understand the structure and function of different neuroglia in the central nervous system (CNS).

---

Definitions:

Precipitation

Any form of water, liquid or solid (rain, sleet, snow, or hail), that falls from the atmosphere and reaches the ground.

Acre-Foot

An acre-foot is a unit of volume commonly used in the United States to measure large-scale water resources, such as in reservoirs and lakes, equating to the volume of water needed to cover one acre of land to a depth of one foot.

Football Field

A playing surface, typically measuring 100 yards (91.44 meters) long and 53.3 yards (48.77 meters) wide, used for American football games.

Gallons

A unit of fluid volume measurement used in the US and the British imperial system, equal to 3.785 liters in the US.