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Ch. 2 - Molecules and Molecular InteractionsWorksheetSee all chapters
All Chapters
Ch. 1 - Introduction to Physiology
Ch. 2 - Molecules and Molecular Interactions
Ch. 3 - Cells and Tissues
Ch. 4 - Cell Metabolism: Bioenergetics, Enzymes, and Respiration
Ch. 5 - Membrane Dynamics
Ch. 6 - Cell Communication
Ch. 7 - Integumentary System
Ch. 8 - Bone and Cartilage
Ch. 9 - Skeletal System
Ch. 10 - Joints
Ch. 11 - Muscles
Ch. 12 - The Nervous System I: Neurons and Neuronal Networks
Ch. 13 - The Nervous System II: The Central Nervous System
Ch. 14 - The Autonomic Nervous System
Ch. 15 - Sensory Physiology
Ch. 16 - The Endocrine System
Ch. 17 - Cardiovascular Physiology I: The Heart
Ch. 18 - Cardiovascular Physiology II: Blood, Blood Vessels, Circulation, and Exchange
Ch. 19 - The Urinary System
Ch. 20 - Respiratory Physiology
Ch. 21 - Acid-Base Balance-- Controlling Blood pH
Ch. 22 - Introduction to the Immune System
Ch. 23 The Lymphatic System
Ch. 23 - The Digestive System
Ch. 24 - Regulation of Metabolism and Energy Balance
Ch. 25 - Human Sexual Reproduction and Development

Concept #1: Acids and Bases

Concept #2: The pH Scale

Practice: A 21-year-old male presents to the emergency department at 11:45pm on a Saturday night with loss of consciousness. He had been partying by combining Xanax with vodka drinks. As a result, his respiratory drive decreased and he passed out. The pH of his blood is 7.3. Which of the following describes your patient’s state?

Practice: Your friend is nervous about an upcoming date with his dream girl. As a result, he starts hyperventilating (breathing more quickly than normal). This causes him to exhale lots of CO2. How will this affect his blood pH?

Practice: Type A intercalated cells are in the kidney. Their function is promote the movement of H+ from the blood tothe urine. Which of the following would be expected for a patient with an increase in Type A cell activity? (Choose all thatapply.)

a) Increase in pH of the urine.

b) Increase in pH of the blood.

c) Increase in [HCO3-] in the blood.

d) A state of alkalosis.