Lineage marker Study guides, Revision notes & Summaries

Hematology Board Exam Questions & Answers 2024/2025 What is the first type of cell produced by the developing embryo? - ANSWERSErythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? - ANSWERS50% Not characteristic of pluripotent hematopoietic stem cells? - ANSWERSExpress the stem cell marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? - ANSWERSPosterior iliac crest and sternum What is the norm...

What is the first type of cell produced by the developing embryo? A. Erythrocyte B. Granulocyte C. Lymphocyte D. Thrombocyte - Answer- A. Erythrocyte The need for oxygen delivery to developing tissues results in the production of erythrocytes before other blood cells. Erythropoiesis commences in the yolk sac as early as the fourteenth day of embryonic development. These primitive red cells produce embryonic hemoglobins that temporarily serve oxygen needs of the fetus. Myelopoietic and lym...

What is the first type of cell produced by the developing embryo? A. Erythrocyte B. Granulocyte C. Lymphocyte D. Thrombocyte - A. Erythrocyte The need for oxygen delivery to developing tissues results in the production of erythrocytes before other blood cells. Erythropoiesis commences in the yolk sac as early as the fourteenth day of embryonic development. These primitive red cells produce embryonic hemoglobins that temporarily serve oxygen needs of the fetus. Myelopoietic and lymphopoie...

acanthocyte correct answer: "thorn cells"/spur cells - small spherical cells with thornlike projections - have no central pallor; have membranes with free cholesterol accumulating preferentially in outer bilayer, leading to decreased fluidity anemia correct answer: insufficient number of RBCs, characterized by inadequate tissue oxygenation ankyrin correct answer: large protein serving as high-affinity binding site for attachment of spectrin to inner membrane surface - binds to spec...

What is the first type of cell produced by the developing embryo? - Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? - 50% Which of the following is not characteristic of pluripotent hematopoietic stem cells? - Express the stem marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? - Posterior iliac crest, sternum What is the normal ratio of myeloid to erythroid precursors in bone marrow (M:E ratio)?...

What is the first type of cell produced by the developing embryo? Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? 50% Not characteristic of pluripotent hematopoietic stem cells? Express the stem cell marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? Posterior iliac crest and sternum What is the normal ratio of myeloid to erythroid precursors in bone marrow? 4:1 D...

MLS Hematology Exam| 263 QUESTIONS| WITH COMPLETE SOLUTIONS What is the first type of cell produced by the developing embryo? Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? 50% Which of the following is not characteristic of pluripotent hematopoietic stem cells? Express the stem marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? Posterior iliac crest, sternum What is the normal ratio of myel...

What is the first type of cell produced by the developing embryo? correct answer Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? correct answer 50% Not characteristic of pluripotent hematopoietic stem cells? correct answer Express the stem cell marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? correct answer Posterior iliac crest and sternum What is the normal ratio of myeloid to erythr...

MLS Hematology Exam| 263 QUESTIONS| WITH COMPLETE SOLUTIONS What is the first type of cell produced by the developing embryo? Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? 50% Which of the following is not characteristic of pluripotent hematopoietic stem cells? Express the stem marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? Posterior iliac crest, sternum What is the normal ratio of myel...

What is the first type of cell produced by the developing embryo? Correct Answer: Erythrocyte What percentage of tissue located in the bone marrow cavities of adults is fat? Correct Answer: 50% Which of the following is not characteristic of pluripotent hematopoietic stem cells? Correct Answer: Express the stem marker CD13 In an adult, what are the two best areas for obtaining active bone marrow by aspiration? Correct Answer: Posterior iliac crest, sternum What is the normal rati...