Which two nutrients are necessary for synthesizing red blood cells?
Choose 2 answers.
Iron
Fiber
Magnesium
Calcium
Correct Answer : A,E
A. Iron is a critical component of hemoglobin, the molecule in red blood cells (RBCs) that carries oxygen. Without sufficient iron, the body cannot produce enough healthy RBCs, leading to anemia.
B. Fiber is important for digestive health but does not play a role in red blood cell synthesis.
C. Magnesium is involved in many biochemical processes but is not directly required for RBC synthesis.
D. Calcium is important for bone health and various cellular functions, but it is not directly involved in red blood cell production.
E. Folic acid (vitamin B9) is essential for DNA synthesis and cell division, both of which are crucial for the production of red blood cells in the bone marrow.
F. Potassium is vital for maintaining cellular function, especially in muscles and nerves, but it is not required for RBC synthesis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","E"]
Explanation
A. Cerebral Aneurysm is not a neurodegenerative disorder; it is a localized dilation of a blood vessel in the brain that can lead to haemorrhage.
B. Diabetic retinopathy is a complication of diabetes affecting the eyes, not a neurodegenerative disorder.
C. Multiple sclerosis (MS) is a major neurodegenerative disorder where the immune system attacks the protective sheath (myelin) that covers nerve fibres, leading to communication problems between the brain and the rest of the body.
D. Bell's Palsy is a condition that causes sudden, temporary weakness or paralysis of the facial muscles, but it is not a neurodegenerative disorder.
E. Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a neurodegenerative disorder that affects motor neurons, leading to muscle weakness and atrophy.
F. Cerumen impaction is the build-up of earwax and is not related to neurodegenerative processes.
Correct Answer is ["C"]
Explanation
A. Exposure to diesel exhaust: This is unrelated to nephrolithiasis.
B. Atherosclerosis: This relates to cardiovascular disease, not kidney stones.
C. High-sodium diet increases calcium excretion in the urine, which can contribute to the formation of calcium-containing kidney stones, a common form of nephrolithiasis.
D. Obesity is a known risk factor for nephrolithiasis. It can lead to changes in urine composition that favor stone formation.
E. Radiotherapy to the pelvis: While radiotherapy can affect surrounding tissues, it is not a direct cause of nephrolithiasis.
F. Long-term urinary catheter: This is more related to infections and bladder stones rather than kidney stones.
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