Lab CE Chem exam part 1
When three tubes of cerebrospinal fluid are received in the laboratory they should be distributed to the various laboratory sections as follows: #1 Hematology, #2 Chemistry, #3 Microbiology #1 Chemistry, #2 Microbiology, #3 Hematology #1 Microbiology, #2 Hematology, #3 Chemistry #1 Chemistry, #2 Hematology, #3 Microbiology
#1 Chemistry, #2 Microbiology, #3 Hematology
The formula for conversion of hemoglobin A1C (HbA1C) to glucose in mg/dL is eAG = (28.7 x A1C) - 46.7. The HbA1C measured on a patient is reported as 7.5%. What would be reported as the estimated average glucose (eAG) for this % A1C (rounded to the nearest whole number)? 142 mg/dL 169 mg/dL 200 mg/dL 262 mg/dL
169 mg/dL
What transferrin saturation level would be indicative to investigate further for hereditary hemochromatosis (HH)? 40% 45% 35% 25%
45% Any value lower would be considered normal range
How many distinct bands are separated during a standard serum protein electrophoresis? 4 5 6 7
5
What percentage of dietary iron is normally absorbed daily? 5% to 15% 25% to 35% 50% to 75%7 5% to 100%
5% to 15%
A CSF glucose value is 62 mg/dL. What would you estimate the serum glucose? 65 mg/dL 93 mg/dL 120 mg/dL 180 mg/dL
93 mg/dL CSF is about 2/3 of serum glucose 62 x 3 / 2
Which of the following drug examples would be a good candidate for therapeutic drug monitoring (TDM)? A drug that is readily cleared A drug that has a narrow therapeutic window A drug that has a wide therapeutic window A drug that is used for short-term therapy
A drug that has a narrow therapeutic window
What is the term used to describe a clinical syndrome caused by heart disease, represented by abnormal sodium and water retention and breathlessness, usually resulting in edema? Acute myocardial infarction (AMI) Angina Congestive heart failure (CHF) Myocardial ischemia
Congestive heart failure (CHF)
Pheochromocytoma is a tumor of the adrenal medulla that results in elevated urinary levels of all the following EXCEPT: Cortisol Free catecholamines Metanephrines Vanillylmandelic acid
Cortisol Not elevated in the urine
Recently the American Diabetes Association (ADA) recommended reporting which of these values in order to correlate with hemoglobin A1C (HbA1C) as a further indicator of glycemic control? Estimated average glucose Blood urea nitrogen Microalbumin Insulin
Estimated average glucose
Which of the following is a component of antifreeze that can cause severe renal tubular damage, along with similar effects of alcohol poisoning? Ethanol Ethylene glycol Isopropanol Methanol
Ethylene glycol
Which of the following serum constituents is unstable if a blood specimen is left standing at room temperature for eight hours before centrifugation and processing? Cholesterol Triglyceride Creatinine Glucose
Glucose
Which of the following statements about the test for C-reactive protein (CRP) is TRUE? It correlates with neutrophil phagocytic function It is an indicator of an inflammatory condition It is diagnostic for rheumatic fever It is part of the complement cascade
It is an indicator of an inflammatory condition
What would the following Schilling test results indicate: Part I: 2% excretion of radioactive vitamin B12 (normal: 5-35%)Part II: 8% excretion of radioactive vitamin B12 after intrinsic factor was given with vitamin B12 (normal: 7-10%). Tropical sprue Transcobalamin deficiency Folic acid deficiency Pernicious anemia
Pernicious anemia Is a chronic disease caused by the deficiency of IF
A urine specimen which was collected in a dark container, stored in the dark, has a pH of 7.5, and whose sample aliquot is wrapped in foil, is most likely being sent for: Aldosterone Porphyrins Catecholamines Metanephrines
Porphyrins
Which of the following contributes to specific gravity but does NOT contribute to osmolality? Protein NaCl Urea Glucose
Protein
Which condition is caused by the increased Plasminogen Activator Inhibitor 1 (PAI-1) and fibrinogen often present in metabolic syndrome? Hyperglycemia Proinflammatory state Prothrombotic state Atherogenic dyslipidemia
Prothrombotic state
Myoglobin concentration testing is routinely used for all of the following conditions, EXCEPT? Acute myocardial infarction (AMI) Rhabdomyolysis Seizures Pulmonary edema
Pulmonary edema
Mrs. Jones, a diabetic, is admitted to the hospital on November 25th. It appears that she has had an acute myocardial infarction (AMI), but did not feel the severe chest pain because of diabetic neuropathy. She has not felt well since November 20th and her physician believes she possibly had an AMI on November 20th. Assuming that the infarct was uncomplicated, which of the following cardiac biomarkers would most likely still be elevated and would assist in an AMI diagnosis? Myoglobin Creatine kinase MB (CK-MB) Troponin T Insulin
Troponin T
What is the largest constituent of plasma nonprotein nitrogen: Ammonia Creatinine Ketones Urea
Urea
All of the following are considered aminoglycoside antibiotics, EXCEPT? Gentamicin Tobramycin Vancomycin Kanamycin
Vancomycin
The ultimate end product of both epinephrine and norepinephrine metabolism is: Metanephrine Vanillylmandellic acid (VMA) Homovanillic acid (HVA) Cortisol
Vanillylmandellic acid (VMA)
What causes polyacrylamide gels to have greater resolution of proteins than agarose gels? Polysaccharide composition Electroendosmosis Transparency Varying pore size in each polyacrylamide layer
Varying pore size in each polyacrylamide layer
Which assay is recommended by the American Heart Association (AHA) and the Centers for Disease Control and Prevention (CDC) as the inflammatory marker of choice in the evaluation of cardiac heart disease risk? CRP BNP hs-CRP NT-proBNP
hs-CRP
Which of the following statements is TRUE with respect to uncompensated metabolic alkalosis? pH will be elevated without an elevation of pCO2 pH will be elevated with an elevation of pCO2 pH will be elevated with a decrease in pCO2 pH will be normal with an elevation of pCO2
pH will be elevated without an elevation of pCO2 Uncompensated refers to the body's compensation to this condition If compensated, it would be expected that the CO2 would be increased to counteract the alkalosis
pH alteration of normal blood in a closed vessel standing at 37oC for 1 hour is approximately: 0.01 to 0.02 pH units 0.02 to 0.04 pH units 0.04 to 0.08 pH units 0.08 to 0.12 pH units
0.04 to 0.08 pH units
Toxic levels of lithium can cause lethargy, apathy, muscle weakness up to and including seizures and coma. What is the toxic level of lithium? 0.5-1.2 mmol/L 1.2-1.5 mmol/L 1.5-2 mmol/L >2 mmol/L
1.5-2 mmol/L
Hormonal variation throughout the menstrual cycle typically shows: A. An abrupt rise in luteinizing hormone (LH) 3-36 hours prior to ovulation B. Progesterone peaking at ovulation then falling C. Estrogen peaking at ovulation then falling D. An abrupt decrease of LH 3-36 hours prior to ovulation
A. An abrupt rise in luteinizing hormone (LH) 3-36 hours prior to ovulation
Which one of the following statements about lipoproteins is FALSE: A. Elevated LDL causes a decreased risk of atherosclerosis B. Reduced LDL causes a decreased risk of atherosclerosis C. Elevated HDL causes a decreased risk of atherosclerosis D. Elevated total cholesterol causes an increased risk of atherosclerosis
A. Elevated LDL causes a decreased risk of atherosclerosis
Glucose is considered an aldose because: A. It contains a terminal carbonyl group, called an aldehyde group. B. It contains a carbonyl group in the middle linked to two other carbon atoms, called a ketone group. C. It contains a terminal carbonyl group, called a ketone group. D. It contains a carbonyl group in the middle linked to two other carbon atoms, called an aldehyde group.
A. It contains a terminal carbonyl group, called an aldehyde group.
Which one of the following statements about acetaminophen metabolism is false? A. It is metabolized in the kidney B. It is largely metabolized in the liver to glucuronide and sulfonate conjugates C. A small amount is metabolized via cytochrome oxidase to a reactive benzoquinoneimine intermediate D. The benzoquinoneimine intermediate becomes toxic to the liver once tissue glutathione becomes depleted
A. It is metabolized in the kidney
Which of the following statements regarding peak level in therapeutic drug monitoring is true? A. Peak level is assessed by collecting a blood sample after a dose of the drug is given (at a specified time). B. Peak level is assessed by collecting a blood sample right before the next dose of the drug is given. C. Peak level is the point at which the drug is lowest in the patient's body. D. Peak level is assessed by collecting a urine sample right after the next dose of the drug is given.
A. Peak level is assessed by collecting a blood sample after a dose of the drug is given (at a specified time).
It is important to specify if a blood specimen is a capillary specimen rather than a venous specimen. How will the following laboratory results be affected if a capillary specimen is tested? A. Potassium, calcium, and total protein are lower in capillary specimens, where glucose is typically higher than in venous blood. B. Potassium, calcium, and total protein are higher in capillary specimens, where glucose is typically lower than in venous blood. C. Potassium and total protein are lower in capillary specimens, where glucose and calcium are typically higher than in venous blood. D. Potassium and total protein are higher in capillary specimens, where glucose and calcium are typically lower than in venous blood.
A. Potassium, calcium, and total protein are lower in capillary specimens, where glucose is typically higher than in venous blood.
All of the following specimen processing examples are considered processing errors that can have a negative impact on the test results, EXCEPT? A. Transporting an ammonia specimen to the laboratory in an ice slurry. B. Centrifuging a plasma specimen 4 hours after collection. C. Rimming the clot in a serum collection tube prior to centrifugation. D. A blood specimen that is frozen and thawed a few times before testing.
A. Transporting an ammonia specimen to the laboratory in an ice slurry.
Which of the following would be considered a normal cerebrospinal fluid glucose level if the serum glucose is 70 mg/dL? About 100 mg/dL About 45 mg/dL About 60 mg/dL About 70 mg/dL
About 45 mg/dL
Which of the following medications is known to cause Reye's Syndrome in children? Acetaminophen Ibuprofen Acetylsalicylic acid Morphine
Acetylsalicylic acid Also known as aspirin
The Emergency Department has collected blood test tubes for potassium, albumin, plasma hemoglobin, and acid phosphatase. Which of these test results will NOT be negatively affected if the blood tube is sent by the hospital's pneumatic tube system? Albumin Plasma hemoglobin Potassium Acid phosphatase
Albumin
Which clinical situation below is GGT elevation most often associated with? Bone Disease Alcohol Consumption Pancreatic Disease Nephrotic Syndrome
Alcohol Consumption
Which of the following blood tests is used to evaluate liver function? Amylase Alkaline phosphatase (ALP) Creatinine Uric acid
Alkaline phosphatase (ALP) Liver and bone
Which of the following tests would be employed in order to detect neural tube defects? Bilirubin L/S ratio Alpha fetoprotein Creatinine
Alpha fetoprotein
Which of the following is an example of a specimen which requires a chain-of-custody procedure to be followed? A. A throat swab collected in a outpatient clinic. B. A urine drug screen for pre-employment C. A sputum culture on a emergency room patient suspected of pneumonia D. A urine culture on a pediatric patient with a urinary tract infection (UTI)
B. A urine drug screen for pre-employment
Which of the following is true concerning atherosclerosis? A. Atherosclerosis is the same as arteriosclerosis. B. Atherosclerosis is the deposition of plaques containing cholesterol and lipids on the innermost layer of the walls of large and medium-sized arteries. C. Atherosclerosis is the main outcome that is assessed in risk marker studies. D Most humans do not have significant atherosclerosis.
B. Atherosclerosis is the deposition of plaques containing cholesterol and lipids on the innermost layer of the walls of large and medium-sized arteries.
Blood lactate concentration is an indicator of impaired circulation and tissue oxygenation in critically ill patients. If circulation and tissue oxygenation are impaired: A. Blood lactate concentration will decrease below the lower end of the established reference range. B. Blood lactate concentration will increase. C. Blood lactate will not be affected. D. Blood lactate will be slightly decreased.
B. Blood lactate concentration will increase.
Enzyme-multiplied immunoassay techniques (EMIT) differ from all other types of enzyme immunoassays in that: A. Lysozyme is the only enzyme used to label the hapten molecule. B. No separation of bound and free antigen is required. C. Inhibition of the enzyme label is accomplished with polyethylene glycol. D. Antibody absorption to polystyrene tubes precludes competition to labeled and free antigens.
B. No separation of bound and free antigen is required.
According to the Michaelis-Menton kinetics theory, when a reaction is performed in zero-order kinetics: A. The substrate concentration is very low and the reaction rate is dependent on the substrate concentration B. The substrate concentration is in excess and the reaction rate is dependent on the enzyme concentration C. The enzyme concentration is in excess and the reaction rate is dependent on the substrate concentration D. The substrate concentration is equal to Km and the reaction rate is dependent on the enzyme concentration
B. The substrate concentration is in excess and the reaction rate is dependent on the enzyme concentration
A mother and young child arrive at the outpatient laboratory with a physician's order for a lead test on the child. The phlebotomist decides to perform a dermal puncture (fingerstick). What procedure is important to implement when a test for lead is collected by finger puncture that would NOT be necessary prior to an antecubital venipuncture? A. Asking the patient or child's parent to state his/her name and date of birth. B. Thoroughly washing patient's hands with soap and water. C. Cleansing the puncture site with alcohol and letting the alcohol air dry. D. Labeling the specimen with at least two patient identifiers.
B. Thoroughly washing patient's hands with soap and water.
Which of the following tests should be collected in serum gel tube and goes to the chemistry department? BUN Zinc White blood cell (WBC) count Reticulocyte count
BUN
All of the following are components of a basic single beam spectrophotometer, except: Beam splitter Cuvette Prism Light source
Beam splitter
All cells can synthesize heme; what two organs are the main sites of hemoglobin synthesis for the body? Liver and spleen Spleen and bone marrow Bone marrow and thymus Bone marrow and liver
Bone marrow and liver
Which of the following analytes will be falsely increased due to hemolysis? A. Hemoglobin, Hematocrit, Red Blood Cell Count B. Hematocrit, Red Blood Cell Count, Potassium C. Potassium, Magnesium, Iron, Total Protein D. Hemoglobin, Hematocrit, Magnesium, Iron, Total Protein
C. Potassium, Magnesium, Iron, Total Protein
There are several different types of media that can be used in electrophoresis. Most methods today use a gel - cellulose acetate, agarose, or polyacrylamide gel. Which one of the following statements is true regarding these gels? A. The compounds used to make cellulose acetate gels are carcinogenic B. Polyacrylamide gels are composed of polysaccharides and acrylamides C. Polyacrylamide gels have the greatest resolution or separation of solutes D. Cellulose acetate and agarose gels are the more commonly used gels
C. Polyacrylamide gels have the greatest resolution or separation of solutes
Which statement best describes small dense LDL particles that can occur in atherogenic dyslipidemia? A. Small dense LDL molecules are less atherogenic than larger, less dense, or buoyant LDL particles because they are metabolized faster B. Small dense LDL molecules transport more cholesterol and thus are more atherogenic C. Small dense LDL molecules are more atherogenic because they can more easily move into the endothelium and vessel wall D. Small dense LDL molecules are just as atherogenic as the larger ones
C. Small dense LDL molecules are more atherogenic because they can more easily move into the endothelium and vessel wall
Below are the laboratory results on a 20-year-old overweight male. His waist circumference is 41 inches and his blood pressure is 105/70. Fasting Blood Glucose: 130 mg/dL Triglycerides: 190 mg/dL HDL: 50 mg/dL The National Heart, Lung, and Blood Institute (NHLBI) and American Heart Association (AHA) have created a set of parameters to define the presence of the metabolic syndrome. Does this patient meet the criteria for metabolic syndrome diagnosis? A. No, because his HDL is > 40 mg/dL B. No, because he is not hypertensive C. Yes, he meets the NHLBI and AHA criteria for metabolic syndrome. D. No, since height and weight were not reported, his BMI cannot be calculated.
C. Yes, he meets the NHLBI and AHA criteria for metabolic syndrome.
Which tumor marker is used for colorectal cancer? CA-125 AFP CEA PSA
CEA
All of the following are therapeutic drugs used to treat cardiac disease, EXCEPT? Carbamazepine Digoxin Procainamide Quinidine
Carbamazepine Antiepileptic drug used to treat various seizure disorders
A markedly elevated 5-hydroxyindoleacetic acid (5-HIAA) determination is presumptive evidence for: Lead poisoning Pheochromocytoma Porphyria Carcinoid tumor
Carcinoid tumor
Which of the following clinical laboratory departments performs the most tests? Urinalysis Microbiology Clinical Chemistry Hematology
Clinical Chemistry
The bioavailability of an oral drug refers to the: A. Availability for therapeutic administration B. The ratio of protein-bound to free drug C. Amount of drug transformation D. Fraction of the drug that is absorbed into the systemic circulation
D. Fraction of the drug that is absorbed into the systemic circulation
A Renal Function Panel consists of which of the following tests? A. AST, ALT, Alkaline Phosphatase, Total Protein, Albumin, Total Bilirubin, Direct Bilirubin B. Cholesterol, Lipoprotein, HDL, C. TriglyceridesPotassium, Sodium, Chloride, CO2 D. Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, Calcium, Albumin, Phosphorus
D. Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, Calcium, Albumin, Phosphorus
What role does lipase play in the body? A. Transferring animo acid groups between compounds B. Catalyzing the breakdown of glucose to pyruvate C. Hydrolyzes fat esters to produce water D. Hydrolyzes fat esters to produce alcohol and fatty acids
D. Hydrolyzes fat esters to produce alcohol and fatty acids
The pharmacogenetic profiling reveals a mutation in a CYP450 enzyme that causes increased enzyme activity. Which of the statements below is incorrect? A. There are variations in the enzymes as a result of genetic polymorphism. B. It would require that the patient with this mutation is given greater than the standard dose of a drug if it is metabolized by this enzyme. C. The profiling can be used to predict drug-drug interactions. D. The CYP450 variants have no influence on drug metabolism.
D. The CYP450 variants have no influence on drug metabolism.
A patient with renal failure is seen for blood work. What would you expect the serum calcium and phosphorus levels to be in this patient? Increased calcium and phosphorus levels Decreased calcium and phosphorus levels Increased calcium but decreased phosphorus levels Decreased calcium but increased phosphorus levels
Decreased calcium but increased phosphorus levels
Hemoglobin A1C (HbA1C) percent can be used as an assay to diagnose which of the following conditions? Diabetes Cirrhosis Myocardial infarction Leukemia
Diabetes
Which of the following drugs is used to treat congestive heart failure? Disopyramide Quinidine Procainamide Digoxin
Digoxin
Maltose, lactose, and sucrose are all: Reducing substances Oligosaccharides Disaccharides Monosaccharides
Disaccharides
Thin-layer chromatography is particularly useful as a tool in the identification of: Steroids Enzymes Drugs Hormones
Drugs
What additional fraction would be seen if plasma rather than serum was subjected to electrophoresis: Alpha-1 antitrypsin Alpha-2 macroglobulin Fibrinogen Gamma globulins
Fibrinogen Is only found in plasma and would form a band between the beta and gamma globulins
ACTH controls which step of steroid hormone production? First step (cholesterol to cholesterol esters) First step (cholesterol esters to cholesterol) Second step (cholesterol to pregnenolone) Third step (cholesterol esters to pregnenolone)
First step (cholesterol esters to cholesterol)
All of the following hormones are produced primarily in the pancreatic islets EXCEPT which one? Gastrin Glucagon Insulin Pancreatic polypeptide
Gastrin
Unconjugated bilirubin is conjugated in the liver with which of the following substances to become water-soluble? Glycogen Glucose oxidase Glucuronic acid Glycine
Glucuronic acid
The LD (lactate dehydrogenase) molecule is made of a combination of polypeptides that can be separated into isoenzymes that help determine the location of an elevated LD. LD 3 is found primarily in the lung, lymphocytes, spleen, and pancreas but what polypeptides makeup LD 3? HMMM MMMM HHMM HHHM
HHMM
In serum protein electrophoresis all of the following proteins reside in the band closest to the anodal end EXCEPT: Retinol-binding protein (RBP) Transthyretin Albumin Haptoglobin
Haptoglobin
The accuracy of an immunoassay is its ability to discriminate between results that are true positive and results that are true negative. Two parameters of test accuracy are specificity and sensitivity. Which of these statements apply to an immunoassay with low sensitivity? Accurately identifies the presence of disease Has few false-negative results Has many false-negative results Accurately detects the absence of disease
Has many false-negative results
Six months ago, a 55-year-old female had a fasting plasma glucose (FPG) greater than 200 mg/dL on two occasions. She was diagnosed as having type 2 diabetes and treatment was started. Along with routine FPG's which of the following tests would most likely be used to monitor glycemic control? HbA1C Insulin C-peptide Urine glucose
HbA1C
All of the following anticoagulants will produce a significant effect on calcium levels in plasma, EXCEPT? EDTA Heparin Oxalates Citrates
Heparin
Where are most acute phase proteins synthesized? Bone Marrow Hepatocytes Intestines Spleen
Hepatocytes
Which of the following is the most common technique that is used by clinical laboratories for therapeutic drug monitoring? Immunoassay Electrophoresis Atomic absorption Ion-selective electrode voltametry
Immunoassay
Which of the following is considered an action of the hormone glucagon? Increase glycogenolysis Increase glycogenesis Increase glycolysis Increase lipogenesis
Increase glycogenolysis Break down of glycogen to glucose
Patients who develop severe sepsis or septic shock commonly have __________ plasma lactate values. Decreased Normal Increased Markedly decreased
Increased
When a patient is suspected of intoxication, what would you expect the osmol gap to be? Slightly decreased Normal Extremely decreased Increased
Increased
A major action of angiotensin 2 is: Increased pituitary secretion of petressin Increased vasoconstriction Increased parathormone secretion by the parathyroid Decreased adrenal secretion of aldosterone
Increased vasoconstriction
What is the mechanism of action for methotrexate? Inhibits ribosome function Inhibits RNA synthesis Inhibits protein synthesis Inhibits DNA synthesis
Inhibits DNA synthesis
Which one of the following adipocyte products is an important messenger in metabolism, signaling the hypothalamus that there are changes in fat stores? Leptin Resistin IL-6 Angiotensinogen
Leptin
A 46-year-old woman was admitted to the hospital through the emergency room after having a bout of severe diarrhea for 3 days along with headaches, muscle aches, shortness of breath, and an increased heart rate. Blood gas measurements were ordered by her concerned physician. The results showed the following: pH = 7.30 pCO2 = 32 mm HgHCO3- = 15 mmol/L pO2 = 93 mmol/L What acid-base disorder is most consistent with this patient's results and symptoms? Respiratory acidosis Respiratory alkalosis Metabolic acidosis Metabolic alkalosis
Metabolic acidosis
Tumor markers are especially valuable when used to: Rule out cancer Screen the general population for cancer Monitor response to cancer therapy Confirm other assays
Monitor response to cancer therapy
Creatinine excretion correlates best with which of the following parameters: Age Sex Muscle mass Bodyweight
Muscle mass
When testing for ethanol, what is actually measured in the enzymatic reaction, that is proportional to ethanol concentration? NADH Acetaldehyde Acetone NAD
NADH
Aminoglycosides can cause severe toxicity including which of the following? Nephrotoxicity and ototoxicity Hepatitis Edema Red man syndrome
Nephrotoxicity and ototoxicity
How is valproic acid (Depakote) administered? IM injection Sublingual Oral preparation IV
Oral preparation
Vitamin D is controlled by which hormone in a negative feedback loop? Calcitonin Calcium PTH TSH
PTH
Which of the following is considered a cause of hypomagnesemia (decreased levels of magnesium in the blood)? Hypothyroidism Hypoaldosteronism Pancreatitis Bone carcinoma
Pancreatitis
When in the Fisher Projection, which carbon is used to determine if the molecule is in D or L formation? Anomeric carbon First chiral carbon Central Carbon Penultimate carbon
Penultimate carbon
All of the following are characteristics of type 2 diabetes mellitus EXCEPT: Insulin levels may or may NOT be abnormal. More common than type 1 diabetes. Requires insulin therapy to control hyperglycemia. It commonly occurs in adults.
Requires insulin therapy to control hyperglycemia.
Which of the following is most likely to interact with arterial walls, leading to deposition of cholesterol, and initiating or worsening atherosclerosis? Large buoyant LDL Small dense LDL LDL phenotype 'A' VLDL
Small dense LDL
All of the following analytes would be significantly increased in a plasma sample due to hemolysis, EXCEPT? Potassium LDH Sodium AST
Sodium
Plasma creatinine concentration is dependent on all of the following EXCEPT: Relative muscle mass Renal function Rate of creatinine turnover Sodium concentration
Sodium concentration
All of the following carbohydrates are considered reducing sugars EXCEPT: Lactose Sucrose Glucose Ribose
Sucrose
What test can be used as a confirmatory test for proteinuria? Acetest Benedict's test Fehling's test Sulfosalicylic acid test
Sulfosalicylic acid test
The principal amount of testosterone in males is produced by which endocrine gland? Adrenals Testes Pituitary Hypothalamus
Testes
Circulating organic iodine is found primarily in the form of: Triiodothyronine Parathyroid hormone Thyroglobulin Thyroxine
Thyroxine