WREB Board Exam Review Biochemistry and Nutrition 2023/2024 passed

WREB Board Exam Review Biochemistry and NutritionAn adequate amount of nutrient intake is needed by the oral tissues for all the following except one. Which one? a) growth b) development c) catabolism d) maintenance - correct answer Catabolism Essential amino acids must be obtained from the diet. They cannot be synthesized from other amino acids. a) first statement is true, second is false b) both statements are true c) first statement is false, second statement is true d) both statements are false - correct answer Both statements are true Which of the following is an example of an essential fatty acid? a) linoleic b) tropical oils c) lecithin d) oleic - correct answer Linoleic Which of the following vitamins is NOT fat-soluble? a) A b) D c) C d) E - correct answer Vitamin C What is the critical pH at which demineralization of the enamel occurs? - correct answer 5.5 Functions of saliva include all of the following exempt one. Which one? a) provides buffering capacity b) provides antimicrobial capacity c) speeds oral clearance of bacterial substrates d) provides growth medium for bacteria e) aids in remineralization - correct answer Provides growth medium for bacteria All of the following are common characteristics of water-soluble vitamins except which one? a) required from the diet on a daily basis b) absorbed in the small intestine c) stored in the body for long periods of time d) easily destroyed - correct answer Stored in the body for long periods of time A high intake of dietary components that exert negative effects on bone mass include: a) fat b) sugar c) calcium d) alcohol - correct answer Alcohol A deficiency in which of the following nutrients has been associated with neural tube defects? a) thiamin b) folate c) calcium d) protein e) fat - correct answer Folate Severe decay in early childhood is usually evident in: a) primary first molars b) mandibular central and lateral incisors c) maxillary canines d) maxillary central and lateral incisors - correct answer Maxillary central and lateral incisors A deficiency in vitamin A may result in: a) rickets b) abnormal bleeding c) peripheral neuropathy d) night blindness - correct answer Night blindness The calcium RDA standard for elderly individuals is below the standard set for the general population. This is because elderly people have decreased calcium absorption. a) first statement is true, second is false b) both statements are true c) first statement is false, second is true d) both statements are false - correct answer The first statement is false, the second statement is true Diabetic patients may experience all of the following except which one? a) frequent urination b) blurred vision c) decreased hunger d) increased infections - correct answer Decreased hunger What is the normal fasting blood glucose level, in mg/dL? - correct answer 80-120 mg/dL One of the risk factors for osteoporosis is: a) increased physical activity