RD Exam Practice Questions- Equations with Right answers.docx

RD Exam Practice Questions- Equations with Right Grades of Beef highest to lowest: prime, choice, select, standard, commercial, utility, cutter, and canner Storage Temps Dry Storage - 50-70 degrees; 50-60% humidity - fruit and veg need 85-90% humidity Refrigeration 41 F all potentially hazardous food fruit-veg 40-45; meat, dairy, eggs, 32-40 Frozen 0-10 degrees Core concept of management principles Human Physical Financial FDA Code Temps hold frozen 0-10 cold food 41 transport hot 165-170 do not hold between 41-135 reheat to 165 for 15 seconds within 2 hrs leftovers cooled rapidly from 135 to 70 in 2 hours and and from 70 to 41 within 4 hrs Protein coagulates at 62-70 Pasteurization destroys bacteria 145 for 30 min or 160 for 15 seconds Baking at high altitudes water boils at lower temp, decrease baking powder and add more liquid Linear Relationship r = 0, no relationship r = -1, negative relationship r = 1, positive relationship r = 0.1, very weal relationship RQ= VC02 expires/V02 consumed CHO = 1 PRO = 0.82 FAT = 0.7 Mixed = 0.85 Amino Acids Essential: Threonine, Valine, Tryptophan, Isoleucine, Leucine, Lysine, Phenylalanine, Methionine, Histidine (TV TILL PMH) Conditionally Essential: Arginine, Glutamine Tryptophan is a precursor for serotonin and niacin Tyrosine can be synthesized from phenylalanine Cysteine can be synthesized from methionine Soybeans are low in methionine Branched chain amino acids valine, leuine, isoleucine Alcohol Calories 7/gram (.8)(proof)(ounces) = calories Proof = % alcohol x 2 mEq = mg/atomic wt x valence AW: NA = 23; K = 39; Ca = 40 Valence: NA = 1; K = 1: Ca = 2 Ex: How many mEq are in 1 gram of Na 1000 mg Na/23 x 1 = 43.5 mEq Ex: how many mgs Na are in 87 mEq 87/1 = x/23 = 2001 mgs Na Pregnancy/Lactation Weight Gain Guidelines 18.5 - 24.9 BMI 18.5 BMI 25-29.9 BMI 30 BMI 25-35 lbs for normal weight 28-40 lbs for underweight 15-25 for overweight 11-20 for obese target is to achieve at least the lower limit; adolescents are at highest risk Calories during pregnancy + 340 second trimester + 452 third trimester 71 g protein Calories during lactation 6 months +330 6-12 months +400 71 g protein Weight gain per month 1 lb per month for first 3 months 1 lb per week after at risk: failure to gain 4 lbs/month in last half of pregnancy Pregnancy supplements 30 mg ferrous sulfate in 2nd &