Which of the following statements correctly differentiate pKa and pH based on their definitions and roles in acid-base chemistry? (Select 2.)

Which of the following best explains why tubular fluid becomes hypo-osmotic by the time it reaches the early distal tubule?

Consider the Henderson-Hasselbalch equation: If the drug is a weak acid, which of the following statements are correct? (Select 2.)

Which of the following statements about the walling-off effect of inflammation are correct? (Select 2.)

Why are antihistamines often ineffective in treating asthma triggered by an allergic response?

Which of the following statements best explains how phagocytes selectively ingest pathogens without targeting the body’s own cells?

Which of the following are true statements regarding B lymphocytes? (Select 2.)

Which statements about the ABO blood group system and its genetic determination are correct? (Select 2.)

Which of the following statements best explains how the body mounts a feedback response to inflammation via macrophage activation?

What is the key immunological mechanism behind atopic allergic reactions?