Don’t Know As Of June 27 Flashcards
All of the following may be associated with hepatic cirrhosis, EXCEPT:
A. portal hypertension.
B. esophageal varices.
C. hepatic encephalopathy.
D. increased arterial and venous blood flow through the liver.
E. ascites.
D. increased arterial and venous blood flow through the liver.
Cytokines that send regulatory signals between cells of the immune system are \_\_\_\_\_\_\_\_\_\_. A. interferon B. interleukins C. monokines D. tumor necrosis factors E. immunoglobulins
B. interleukins
\_\_\_\_\_\_\_\_ immunity is characterized by the formation of a population of lymphocytes that can attack and destroy the foreign material. A. Acquired B. Humoral C. Cell-mediated D. Hypersensitive E. Innate
C. Cell-mediated
\_\_\_\_\_\_\_\_\_ immunity is associated with the production of antibodies that can combine and eliminate the foreign material. A. T-cell mediated B. Humoral C. Cell-mediated D. Hypersensitive E. Passive
B. Humoral
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ inhibit the multiplication of viruses that have infected a cell. A) natural killer cells B) tumor necrosis factor C) interferons D) B lymphocytes E) T lymphocytes
C) interferons
T/F: Pitting edema most frequently occurs in left heart failure.
False
Which of the following is not a frequent complication of a myocardial infarction? A. heart failure B. arrhythmias C. formation of mural thrombi D. rupture of the heart E. mitral valve prolapse
E. mitral valve prolapse
Which of the following would be most likely to result in respiratory alkalosis?
a) kidney disease
b) hyperventilation
c) overuse of antacids
d) chronic obstructive pulmonary disease (COPD)
B
Which reaction is typical of the kind catalyzed by vitamin C?
a. transamination
b. methylation
c. hydroxylation
d. decarboxylation
e. carboxylation
hydroxylation
One health claim for calcium states that levels above _____ are unlikely to provide additional benefit.
a. 1200 mg/d
b. 800 mg/d
c. 1000 mg/d
d. 2000 mg/d
d. 2000 mg/d
The Vitamn C absorption increases with increased vitamin intake?
a. True
b. False
False
Choose the food that is high in vitamin A palmitate
a. pumpkin
b. spinach
c. carrots
d. liver
d. liver
The binding of iron by proteins defends the cells against
a. Iron deposition in kidneys and other organs
b. Oxidative damage from free radicals
c. Tissue hypoxia
d. Stellate cells
Oxidative damage from free radicals
A food may be labeled “low sodium” if each serving provides:
a. 35 mg or less
b. 140 mg or less
c. less than 5 mg
d. 240 mg or less
b. 140 mg or less
osteoblasts Which cells are considered the bone-building cells? a. osteopontins b. osteonectins c. osteoblasts d. osteoclasts
c. osteoblasts
Secretin is released from the enteroendocrine S-cell in the _____.
a. proximal small intestine
b. colon
c. esophagus
d. gastric mucosa
a. proximal small intestine
Large amounts of folic acid can mask a vitamin B12 deficiency and prevent _____ from resulting. Over time the symptoms unique to a vitamin B12
a. DNA and RNA synthesis, vascular system
b. macrocytic anemia, nervous system
c. microcytic anemia, muscular system
d. one-carbon transfer, nervous system
macrocytic anemia, nervous system
Which of the following best describes hemosiderin?
a. Increases relative to primary storage form when iron overload occurs
b. Responsible for iron transport in serum
c. Facilitates oxygen transport in muscle
d. Primary storage form of iron
e. Responsible for iron transport within the intestinal cell
Increases relative to primary storage form when iron overload occurs
How long does it take for most of the carbohydrate, protein, and fat to be absorbed from chyme after it enters the small intestine?
a. 30 minutes
b. 1 hour
c. 10 minutes
d. 2 hours
a. 30 minutes
Which are responsible for regulation of extracellular water osmolarity and volume?
a. liver and pancreas
b. pancreas and kidney
c. hypothalamus and kidney
d. spleen and bone marrow
c. hypothalamus and kidney
Which is NOT a component of saliva?
a. enzymes
b. mucus
c. water
d. proteases
d. proteases
Carotenoids like Lutein and Zeaxanthin are found in the macula and can induce oxidation of cell membranes and can exacerbate UV-induced eye damage?
a. True
b. False
False
Elevations in lactate can indicate disruption of carbohydrate metabolism and the body’s need to regenerate the vitamin _____________ to keep the glycolytic pathway functional
- ) NADH
- ) NADPH
- ) FADH
- ) NAD
4.) NAD
List the large neutral AA:
- ) Trp, Tyr, Phe, Leu, Ile, Val
- ) Trp, Thr, Phe, Leu, Ile, Met
- ) Trp, Thr, Phe, Leu, Ile, Val
- ) Trp, Tyr, Phe, Leu, Ile, Met
4.) Trp, Tyr, Phe, Leu, Ile, Met
Phenylalanine Hydroxylase (PAH) requires what nutrients for conversion of Phe -> Tyr?
1) Copper, B2, BH4
2. ) Copper, B3, BH4
3. ) Iron, B2, BH4
4. ) Iron, B3, BH4
4.) Iron, B3, BH4
Elevations in Cortisol have been implicated in insulin resistance. Which of the following is NOT an action of high cortisol levels?
- ) Increased FA synthesis
- ) Increased gluconeogenesis
- ) Upregulation of GLUT4 receptors
- ) Increased glycogenolysis
3.) Upregulation of GLUT4 receptors
The pathway Arg -> Orn + a-KG -> -> Pro for the creation of collagen via the enzymes arginase, ornithine aminotransferase and pyrroline-5-carbosylate reductase require what nutrients for proper activity?
- ) Mn++, B5, retinoic acid, B3, Mg++
- ) Mn++, P5P, B5, B3, Mg++
- ) Zn++, B5, retinoic acid, B3, Mg++
- ) Mn++, P5P, retinoic acid, B3, Mg++
4.) Mn++, P5P, retinoic acid, B3, Mg++
Alcohol can deplete numerous nutrients. Match the nutrient depletion and the type of symptom/problem that can occur when that nutrient is depleted.
- ) Depletion of vitamins B1 and B6 causes
- ) Depletion of vitamins B6 and B9 causes
- ) Depletion of vitamin B1 causes
- ) Depletion of vitamin D causes
- ) neurological symptoms
- ) hematological symptoms
- ) Wernicke-Korsakoff syndrome
- ) osteoporosis
The enzyme CPOX (coproporphyrinogen oxidase) converts coproporphyrinogen III to protoporphyrinogen IX and is blocked by the heavy metals.
- ) Lead and Mercury
- ) Mercury and Arsenic
- ) Arsenic and Cadmium
- ) Lead and Cadmium
1.) Lead and Mercury
Methylation typically works on endogenous constituents, with O-methyl metabolites have ___(a)____ activity than the original molecule. The active methyl group used in methylation reactions is ____(b)____.
- ) (a) greater, (b) SAMe
- ) (a) lesser, (b) SAMe
- ) (a) greater, (b) 5MHTF
- ) (a) lesser, (b) 5MTHF
1.) (a) greater, (b) SAMe
Lysine does NOT undergo the initial transamination requiring B6 but downstream conversion of alpha-aminoadipic acid (a-AAA) to alpha-ketoadipate does require B6. What nutrient is required for the initial conversion of Lys -> Saccharopine?
- ) B2
- ) B12
- ) B5
- ) B3
4.) B3
Alpha-amino-N-butyric acid (AANB) may be elevated in alcoholism. What nutrient may be deficient when AANB is elevated?
- ) B2
- ) B6
- ) Iron
- ) B3
2.) B6
What nutrients are required for the creation of connective tissue components Hydroxyproline (HPro) and Hydroxylysine (HLys)?
- ) Vitamin A, Iron
- ) Vitamin A, Copper
- ) Vitamin C, Copper
- ) Vitamin C, Iron
4.) Vitamin C, Iron
T/F: ADMA (asymmetric dimethylarginine) activates nitric oxide synthesis and angiogenesis.
A: False
Match the appropriate detox function with the specific nutrient:
- ) toxic metal binding & antioxidant protection
- ) hepatic conjugation substrates
- ) glutathione regeneration
- ) methyl donors
- ) lead protection
- ) stimulate Phase I and Phase II detox
vitamin C Calcium glycine, sulfate Cruciferous Met, SAMe NAC, Se, Mn, Cu, Zn
- ) vitamin C
- ) glycine, sulfate
- ) NAC, Se, Mn, Cu, Zn
- ) Met, SAMe
- ) Calcium
- ) Cruciferous
High levels of suberate, adipate and ethylmalonate can be reduced with vitamin ________, which is utilized by the flavoprotein enzyme Fatty Aycl-CoA Dehydrogenase.
A: B2
Precoproporphyrin may elevate when __________ blocks the last step of UROD, leading to the accumulation of pentacarboxyporphyrinogen, which gets converted by CPOX to precoproporphyrin.
- ) Mercury
- ) Lead
- ) Arsenic
- ) Cadmium
1.) Mercury
Deficiency of the mineral, ___________, can lead to decreased incorporation of cystine into protein, allowing sulfate to spill into the urine.
- ) Zinc
- ) Copper
- ) Selenium
- ) Iron
1.) Zinc
Elevation of the kynurenin pathway constituent 3-hydroxykynurenin leads to its side conversion into xanthurenate, which spills into the urine and can indicate insufficiency of vitamin ___________.
- ) B6
- ) B5
- ) B3
- ) B2
1.) B6
Alanine aminotransferase converts alpha-ketoglutarate into glutamate and alanine into:
- ) Pyruvate
- ) Aspartate
- ) Oxaloacetate
- ) Glutamate
1.) Pyruvate
The Bohr effect explains that a decrease in the amount of oxygen associated with hemoglobin (Hb) due to a reduced affinity of oxygen for Hb is the result of:
- ) Increased pC02 and increased pH
- ) Increased pCO2 and decreased pH
- ) Decreased pC02 and decreased pH
- ) Decreased pC02 and increased pH
2.) Increased pCO2 and decreased pH
There are two major types of sulfotransferases. One type is membrane-bound in the golgi apparatus and sulfates GAGs and glycoproteins, while the other is located in the __________ and conjugates steroids, catecholamines, T4, bile acids, and xenobiotics.
- ) cytosol
- ) nucleus
- ) smooth ER
- ) mitochondria
1.) cytosol
Histidine is converted to histamine via histadine decarboxylase. What cofactor is required for this reaction?
- ) Flavoprotein
- ) Nicotinamide
- ) Pantothenic acid
- ) Pyridoxal-5-phosphate
4.) Pyridoxal-5-phosphate
NH3 is ___(a)___ and acts to help buffer __(b)__ environments.
- ) (a) mildly basic, (b) acidic
- ) (a) mildly basic, (b) basic
- ) (a) mildly acidic, (b) basic
- ) (a) mildly adicic, (b) acidic
1.) (a) mildly basic, (b) acidic
BCAA are converted to alpha-ketoacids via BCAA transaminase. This enzyme requires the cofactor:
- ) B3
- ) B6
- ) B5
- ) B2
2.) B6
Both Methionine Synthase (MS) and Betaine Homocysteine Methyltransferase (BHMT) can convert homocysteine to methionine with the assistance of what mineral?
- ) Zn++
- ) Fe++
- ) Cu++
- ) Mg++
1.) Zn++
Asparagine (from asparagus) can be converted into aspartate. Aspartate is in a unique position to enter the TCA cycle through its conversion into the TCA cycle intermediate, __________________, via the enzyme AST (SGOT) and cofactor vitamin B6.
- ) Citrate
- ) Oxaloacetate
- ) Pyruvate
- ) Malate
2.) Oxaloacetate
High ammonia levels from urea cycle dysfunction can lead to the accumulation of _ (a) . Treatment with (b) , may help the urea cycle function better and decrease urinary (a) levels.
- ) (a) Orotate, (b) Arginine, Mg++
- ) (a) Pyroglutamate, (b) NAC
- ) (a) Glucarate, (b) Arginine, Mn++
- ) (a) Sulfate, (b) NAC
1.) (a) Orotate, (b) Arginine, Mg++
What are the four conditionally essential amino acids?
- ) Arg, Gln, Gly, Ser
- ) Arg, Glu, Gly, Tau
- ) Arg, Glu, Gly, Ser
- ) Arg, Gln, Gly, Tau
4.) Arg, Gln, Gly, Tau
An expected MCV for pernicious anemia would be
A. Below normal.
B. Normal.
C. Above normal.
C. Above normal.
What is the most likely explanation for a low level of tryptophan in a blood specimen? A. Toxicity from chemicals. B. Inadequate stomach acid. C. Steroid use. D. Vitamin B6 deficiency.
B. Inadequate stomach acid.
The best assessment of glomerular filtration rate is A) urine pH B) examination of urinary sediment C) serum creatinine D) urine nitrites
C) serum creatinine
Cirrhosis of the liver can cause an increased APTT because
A. Cirrhosis causes an increased production of heparin.
B. Cirrhosis causes decreased absorption of vitamin K.
C. Cirrhosis causes decreased platelet production.
D. Cirrhosis causes decreased production of coagulation factors.
D. Cirrhosis causes decreased production of coagulation factors.
A well-known biological marker for verifying reported protein intake is
A. Analysis of nitrogen in hair
B. Analysis of sulfur in a 24-hour urine specimen.
C. Analysis of nitrogen in a 24-hour urine specimen.
D. Analysis of sulfur in hair.
C. Analysis of nitrogen in a 24-hour urine specimen.
Anemia is a symptom of ________ poisoning.
A. Mercury.
B. Lead.
C. Cadmium.
B. Lead.
When Phase I and Phase II liver detoxification pathways are actively working to rid the body of toxins, the most likely observation would be A. High urinary orotate. B. Low urinary orotate. C. High urinary glucarate. D. Low urinary glucarate.
high urinary glucarate
Protein \_\_\_\_\_ calcium reabsorption and phosphorus \_\_\_\_\_ calcium reabsorption. A. Decreases, decreases B. Decreases, increases C. Increases, increases D. Increases, decreases
B. Decreases, increases
Cold pressed oils are generally thought to be non-addictive foods according to Dr. Ifland.
A. True
B. False
False
Your vegetarian client comes to you for help with what food to eat for her fatigue. What nutrient deficiencies do you suspect? (select all that apply) A. Zinc B. Magnesium C. Vitamin B12 D. Iron
A. Zinc
C. Vitamin B12
D. Iron
Walter Willet suggests: A. That every adult female should be on calcium supplementation B. Taking a multi vitamin for insurance C. Avoiding grains D. Avoiding legumes
B. Taking a multi vitamin for insurance
According to Leon Rappoport in his book, How we Eat, what is specifically the first and second criteria for people when choosing food? A. Peer pressure and pleasure B. Behavior and pleasure C. Health and culture D. Pleasure then health
D. Pleasure then health
It is recommended that women with gestational diabetes aim for a range of \_\_\_\_\_\_\_ % fat calories during pregnancy A. 10-20% B. 20-30% C. 30-40% D. 40-50% E 60%
30-40%
Which of the following nutrient intakes is NOT a risk factor for osteoporosis? A. inadequate calcium intake B. heavy alcohol consumption C. low body weight D. increased iron intake
D. increased iron intake
What is the daily intake of alliin associated with successful lipid-lowering in most clinical studies using garlic powder? A) About 3-6 mg B) Over 20 mg C) About 6-10 mg D) About 10-20 mg
C) About 6-10 mg