Cell injury — Flashcards

Flashcard 111: Does extravascular hemolysis present with hemoglobinuria and/or hemosiderinuria? _____

Answer: No

Extra: * because the hemoglobin remains intracellular (inside macrophage that phagocytosed RBC) Other:

Flashcard 112: The _____ screen causes cells with any amount of HbS to sickle

Answer: metabisulfite

Extra: Other:

Flashcard 113: Which cellular change is characterized by failure of cell production during embryogenesis? _____

Answer: Aplasia

Extra: Agenesis: Absent organ due to absent primordial tissue (e.g., renal agenesis). Aplasia: Absent organ despite presence of primordial tissue (e.g., streak ovary). Hypoplasia: Small organ due to decrease in cell production (e.g., microcephaly).

Flashcard 114: Which type of WBC is the most sensitive to radiation? _____

Answer: Lymphocytes

Flashcard 115: Cellular injury is characterized by _____ activity of the Na+-K+ and Ca2+ pumps

Answer: decreased

Flashcard 116: Is the neuronal injury due to cerebral ischemia reversible or irreversible? _____

Answer: Irreversible

Extra: Atlas:

Flashcard 117: In **carbon monoxide poisoning**, MRI characteristically shows bilateral hyperintensity of the _____.

Answer: globus pallidus

Flashcard 118: Leukemoid reaction refers to > 50,000 leukocyte count (mature neutrophils) often in response to _____

Answer: infection

Flashcard 119: Anisocytosis = variation in RBC _____

Answer: size

Flashcard 120: Pathological findings of Reye syndrome (virus and aspirin) include _____ of hepatocytes

Answer: microvesicular steatosis