Bio 202 Exam 1 Question and Answer [2026] |
UPDATED ACTUAL Exam | Practice Questions &
Answers
• Polycythemia -✓✓ excess of red blood cells
• three causes of anemia -✓✓ blood loss (hemorrhagic), low RBC production
(hypoplastic), high RBC destruction (hemolytic)
• most common form of anemia -✓✓ iron deficiency anemia
• 3 consequences of anemia -✓✓ 1. tissue hypoxia and necrosis
2. blood osmolarity is reduced, producing tissue edema
3. blood viscosity is low
• Steps of iron metabolism -✓✓ 1. A mixture of Fe2+ and Fe3+ is ingested.
2. The stomach acid converts Fe3+ to Fe2+.
3. Fe2+ binds to gastroferritin.
4. Gastroferritin carries Fe2+ to intestine for absorption.
• How is Fe3+ reduced to Fe2+? -✓✓ Stomach acid
• Gastroferritin -✓✓ binds Fe2+ and transports it to small intestine
• How is surplus iron stored? -✓✓ In the liver bound to apoferritin (creating the
ferritin structure)
, • Ferritin -✓✓ Apoferritin-iron complex
• transferrin -✓✓ iron transport protein in blood
• erythropoiten is secreted by the ? -✓✓ kidneys
• Which nutrients are important for erythropoiesis? -✓✓ Vitamin C, Copper, and
Folic acid.
• Hypoxemia stimulates -✓✓ erythropoiesis
• Macrophages role in RBC disposal -✓✓ Separate Heme from hemoglobin and
hydrolyze globin into Amino Acids
• Hemolysis -✓✓ destruction of red blood cells
• spleen's role in blood -✓✓ disposal of old RBC's
• After removal from RBCs, heme is converted into? -✓✓ biliverdin and then
bilirubin
• Jaundice is caused by -✓✓ bilirubin buildup
UPDATED ACTUAL Exam | Practice Questions &
Answers
• Polycythemia -✓✓ excess of red blood cells
• three causes of anemia -✓✓ blood loss (hemorrhagic), low RBC production
(hypoplastic), high RBC destruction (hemolytic)
• most common form of anemia -✓✓ iron deficiency anemia
• 3 consequences of anemia -✓✓ 1. tissue hypoxia and necrosis
2. blood osmolarity is reduced, producing tissue edema
3. blood viscosity is low
• Steps of iron metabolism -✓✓ 1. A mixture of Fe2+ and Fe3+ is ingested.
2. The stomach acid converts Fe3+ to Fe2+.
3. Fe2+ binds to gastroferritin.
4. Gastroferritin carries Fe2+ to intestine for absorption.
• How is Fe3+ reduced to Fe2+? -✓✓ Stomach acid
• Gastroferritin -✓✓ binds Fe2+ and transports it to small intestine
• How is surplus iron stored? -✓✓ In the liver bound to apoferritin (creating the
ferritin structure)
, • Ferritin -✓✓ Apoferritin-iron complex
• transferrin -✓✓ iron transport protein in blood
• erythropoiten is secreted by the ? -✓✓ kidneys
• Which nutrients are important for erythropoiesis? -✓✓ Vitamin C, Copper, and
Folic acid.
• Hypoxemia stimulates -✓✓ erythropoiesis
• Macrophages role in RBC disposal -✓✓ Separate Heme from hemoglobin and
hydrolyze globin into Amino Acids
• Hemolysis -✓✓ destruction of red blood cells
• spleen's role in blood -✓✓ disposal of old RBC's
• After removal from RBCs, heme is converted into? -✓✓ biliverdin and then
bilirubin
• Jaundice is caused by -✓✓ bilirubin buildup
