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46 Cards in this Set

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  • Back

What is the formula for adjusting serum calcium when serum albumin is decreased?

4 - serum albumin x 0.8 + total calcium

When reviewing the serum calcium level, what other lab value must be evaluated in light of a depleted serum calcium?

Serum albumin since serum calcium is protein-bound

Identify the more accurate calcium lab to monitor serum calcium status in patients with hypoalbuminemia?

Ionized calcium

Which hematological indices can be used to evaluate iron and protein deficiencies?

Hemoglobin

Name the transport protein

Transferrin

What is the half-life of transferrin?

8 - 10.5 days

Who should receive nutrition assessment first: a teen boy with elective surgery or an individual with stage 3 htn?

HTN patient

An elderly pt presents with serum albumin of 2.5, calcium of 11.5, and wt change of 50.5 to 53.5 kg by day 3; what could be the cause of this present condition?

Fluid retention

A patient is admitted with a serum albumin of 3.7; following surgery, his albumin drops to 3.1. What could be the cause?

This is normal. Albumin is a negative acute phase respondent.

The labs T3 and T4 are used to measure the function of which endocrine gland?

Thyroid. T4 is the active form of thyroid hormone

A pt presents with an elevated ALT and AST. What do these labs indicate?

Liver damage or hepatocellular disease

What is the best test for determining iron status?

Evaluation of ferritin levels.

A pt has anemia, low RBC count, and kidney disease; what hormone is involved in this disease condition?

Erythropoeitin

A pt has a rare urea disease; what will the labs show?

An elevated ammonia level

Urea excretion is related to the intake of which macronutrient?

Protein

Creatinine excretion is an indicator of what aspect of a patient's nutritional status?

Muscle mass/somatic protein status

A1C reflects serum glucose levels for which time span?

3-4 months; 3-4 weeks; 8-10 weeks

A glycosylated Hgb of 15% indicates what level of diabetes control?

Poor control. Normal is 4 - 6%.

Identify 2 physical and or biochemical manifestations of kwashiorkor.

Edema, fatty liver, 3rd spacing, and severely depleted serum protein and serum albumin

Identify 2 physical and or biochemical manifestations of marasmus.

muscle and fat wasting, wizened skin, stunted growth, and TSF lass than 11%

Long term care pt has a MAC decreased from the 50th to the 25th percentile; a diet hx indicates she is consuming adequate protein. What nutrient is needed?

The pt needs more calories.

A male pt admits to the ER with oliguria, -5% UBW, light-headedness, and poor skin turgor. What is a probably dx?

Dehydration

A pt is taking the TB drug Isoniazid (INH) would require which vitamin supplement?

Vitamin B6

Why are diuretics, such as lasix and HCTZ, detrimental to a patient with hypokalemia?

They are loop diuretics, which are potassium depleting.

Iron preparations should be taken before, during, or after meals?

With meals

Which medication has it's range established baed on sodium so as that you must have sodium in a consistent amount?

Lithium

Drug-nutrient interaction for Levodopa?

B6

What is the initial medical condition dx most often in aids pts?

Anemia

Major nutritionally impacted side effect of AIDS?

diarrhea, statthorea fat malabsorption

Common metabolic side effect of Pentamidine used in AIDS treatment?

Hypoglycemia

What is the most important hematological lab to monitor in an AIDS patient undergoing AZT treatment?

Hematocrit

What is the most accurate food assessment of a cancer patient who has undergone chemotherapy?

A calorie count

A patient presents with a depleted serum albumin and protein malnutrition; identify one lab parameter that could be measured to evaluate the patient?

Creatinine height index

What is the 1st rxn of a pt with severe trauma?

A hypometabolic state

Creatinine excretion is an indicator of what aspect of a patient's nutritional status?

Muscle and somatic protein

What determines the osmolality of an enteral feeding formula?

amino acids

Prolonged starvation/anorexia nervosa will bring about_________through ketone production.

metabolic acidosis

AN ILEOSTOMY PT ON EN IS NOT ABSORBING FAT. What will need to be added to the feeding?

MCT oil

Cystic fibrosis pts need which nutrients in greater amounts?

Fat-soluble vitamins

What is recommended for a child with diarrhea?

Electrolytes and CHO

Being on TPN for more than 1 week may increase risk for_______-

bacterial translocation

What is the best way to assess the caloric needs of a six year old with cerebal palsy?

assess the child's height.

An infant on whole milk has excessive frothy diarrhea and foul stools. What are the medical nutrition therapy recommendations for formula?

Casein hydrosylate formula with MCT oil.

What is the best test to determine iron status?

Ferritin

What is the possible consequence of ethanol abuse resulting from increased venous pressure to the portal system

esophageal varices

State the normal cholesterol levels. Total cholesterol, Triglycerides, HDL, LDL

Total: below 200


Triglycerides: below 150


HDL: above 40


LDL: below 100