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Questions and Answers
What is the prevalence of iron deficiency anemia among women in the United States?
What is the prevalence of iron deficiency anemia among women in the United States?
- 10.4% (correct)
- 5.2%
- 20.3%
- 15.0%
Which age group is particularly highlighted as having the highest prevalence of anemia?
Which age group is particularly highlighted as having the highest prevalence of anemia?
- Ages 0 to 9
- Non-Hispanic Black females aged 10 to 24 (correct)
- Ages 10 to 24
- Women aged 50 to 74
What are the leading causes of disability globally in adults aged 50 to 74?
What are the leading causes of disability globally in adults aged 50 to 74?
- Alzheimer's disease and kidney failure
- Stroke and heart disease (correct)
- Cancer and respiratory diseases
- Diabetes and hypertension
Which of the following are considered risk factors for heart disease?
Which of the following are considered risk factors for heart disease?
What is the leading cause of death in the United States?
What is the leading cause of death in the United States?
What is the prevalence of coronary heart disease in males according to the data?
What is the prevalence of coronary heart disease in males according to the data?
Which drug is NOT commonly prescribed for risk reduction in coronary artery disease?
Which drug is NOT commonly prescribed for risk reduction in coronary artery disease?
What condition significantly increases the risk of stroke due to clot formation?
What condition significantly increases the risk of stroke due to clot formation?
Which anemia is classified as a commonly seen disorder in older adults?
Which anemia is classified as a commonly seen disorder in older adults?
What is the most common cause of death related to coronary artery disease?
What is the most common cause of death related to coronary artery disease?
Which of the following statements is true regarding the prevalence of stroke?
Which of the following statements is true regarding the prevalence of stroke?
Which of the following drugs is used to manage patients at risk for embolism due to venous thrombosis?
Which of the following drugs is used to manage patients at risk for embolism due to venous thrombosis?
What condition is ranked as one of the greatest global health challenges?
What condition is ranked as one of the greatest global health challenges?
Which demographic has the highest burden of dietary iron deficiency?
Which demographic has the highest burden of dietary iron deficiency?
What is the typical diameter of a red blood cell (RBC)?
What is the typical diameter of a red blood cell (RBC)?
Which of the following is NOT a role of red blood cells (RBCs)?
Which of the following is NOT a role of red blood cells (RBCs)?
What do red blood cells rely on for optimal gas diffusion?
What do red blood cells rely on for optimal gas diffusion?
What is the average hemoglobin level in adult women considered normal?
What is the average hemoglobin level in adult women considered normal?
How are red blood cells (RBCs) able to pass through small capillaries?
How are red blood cells (RBCs) able to pass through small capillaries?
What types of cells transport proteins of the coagulation system to sites of injury?
What types of cells transport proteins of the coagulation system to sites of injury?
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Study Notes
Overview of Blood and Clotting
- Blood transports oxygen and nutrients to tissues
- Blood removes waste products from tissues
- Blood functions include red blood cells, white blood cells, platelets, coagulation proteins, complement proteins, and kinin proteins
- The cardiovascular system circulates blood
Red Blood Cells
- Red blood cells (RBCs) carry oxygen to the tissues
- RBCs remove carbon dioxide (CO2) from the tissues
- In adults, the normal range of hemoglobin in women is 11–16 g/dL.
- In adults, the normal range of hemoglobin in men is 14–18 g/dL.
- Anemia is a condition where hemoglobin levels are lower than normal.
- Normal red blood cells have a biconcave disk shape for optimal gas exchange
- RBCs are 7 to 8 µm in diameter and 2 µm thick
- RBCs can be deformed which allows them to fit through narrower capillaries
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