Ch. 18 Day 2

Presentation

•

Science

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11th - 12th Grade

•

Hard

•

NGSS

HS-LS1-3, HS-LS1-7

Standards-aligned

Mr Birkholz

Used 9+ times

FREE Resource

16 Slides • 8 Questions

Water, Electrolyte, and Acid-Base Balance

Ch. 18, Day 2

Where We Left Off Yesterday...

Why is maintaining a balance important?
Fluid Concentrations (Saltwater Example)
Fluid Compartments
Water In/Out
Electrolytes In/Out

Multiple Choice

The thirst center is located in the:

Thalamus

Hypothalamus

Midbrain

Medulla oblongata

Multiple Choice

Which of the following includes the greatest volume of total body water

Transcellular fluid

Blood

Extracellular fluid

Intracellular fluid

Objectives

Describe how electrolyte Intake and output are regulated
Explain how chemical buffer systems, the respiratory system, and the kidneys minimize changing pH values of the body fluids
Describe the causes and consequences of elevation and decrease in body fluid pH.

Multiple Choice

The Hormone Aldosterone functions to provide the

Reabsorption of sodium

Secretion of sodium

reabsorption of potassium

Secretion of calcium

Multiple Choice

Calcium ion concentration is regulated by:

Aldosterone

Calcitonin

Parathyroid hormone

Parasympathetic impulses

Multiple Choice

The strength of an acid depends upon the

Number of hydrogen ions in each molecule

Nature of inorganic salt

Degree to which molecules ionize in water

Concentration of acid molecules

Multiple Choice

Acid-base buffer systems minimize pH changes by:

Converting weak acids into strong acids

Converting strong acids into weak acids

Causing the breathing rate to increase

Promoting the excretion of hydrogen ions

Multiple Choice

The slowest acting of the mechanisms that control pH is the:

Buffer systems

Respiratory system

Kidneys

Multiple Choice

Obstruction of the airways leads to:

Respiratory acidosis

Respiratory alkalosis

Metabolic acidosis

Metabolic alkalosis

Water, Electrolyte, and Acid-Base Balance

Ch. 18, Day 2

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