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CNBC CCN (CCN) Practice Tests & Test Prep by Exam Edge - Review



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CNBC Certified Clinical Nutritionist - Reviews


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See why our users from 154 countries love us for their exam prep! Including 185 reviews for the CNBC CCN exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

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CNBC Certified Clinical Nutritionist - Test Reviews Sample Questions

The sensation of burning feet can be cause by a deficiency of all of the following except:

Correct Answer:
vitamin e


the sensation of burning feet, medically known as grierson-gopalan syndrome, can be a distressing condition, characterized by severe burning and aching of the feet, hyperesthesia, and vasomotor changes. this condition is more commonly experienced during the night and can severely affect sleep and quality of life. numerous deficiencies in vitamins and minerals can lead to this syndrome, highlighting the importance of a balanced diet for nerve function and health.

niacin, or vitamin b3, is essential for the general health of the nervous system. a deficiency in niacin can lead to pellagra, a disease marked by dermatitis, diarrhea, and dementia, and in some cases, associated neurological symptoms such as a burning sensation in the feet. niacin helps in the functioning of the digestive system, skin, and nerves, and is also important for converting food to energy.

pantothenic acid, another b-vitamin, specifically vitamin b5, is crucial for the synthesis of coenzyme-a (coa) and acyl carrier protein. a deficiency in pantothenic acid can lead to neurological disturbances including burning feet syndrome. this vitamin plays a role in the synthesis and metabolism of proteins, carbohydrates, and fats for energy production and the maintenance of healthy skin and nerves.

thiamin, or vitamin b1, is vital for the nervous system as it is involved in the conduction of nerve impulses and the metabolism of carbohydrates and amino acids. a deficiency in thiamin can lead to beriberi, which includes symptoms affecting the cardiovascular and nervous systems, including neuropathy and the sensation of burning feet.

pyridoxine, or vitamin b6, is essential for normal brain development and for keeping the nervous system and immune system healthy. it plays a role in the creation of neurotransmitters and myelin formation. a deficiency can lead to peripheral neuropathy, which may manifest as burning feet syndrome.

however, vitamin e, which is primarily known for its role as an antioxidant, does not typically cause burning feet syndrome when deficient. while vitamin e is crucial for protecting cell membranes against oxidative damage and supports the immune system, its deficiency does not directly contribute to neurological symptoms of burning feet. its primary deficiency symptoms are more related to neuromuscular problems such as muscle weakness and vision issues.

thus, when addressing the question of what deficiencies might cause the sensation of burning feet, vitamin e is the exception compared to deficiencies in niacin, pantothenic acid, thiamin, and pyridoxine, which can all be linked directly to this symptom.