Question 1

Hypermagnesia may be observed in all of the following except:

Accepted Answer

A)  excessive intake of antacids. 
B)  gastrointestinal disorders. 
C)  administration of magnesium in the presence of renal disease. 
D)  enemas. 
A)  excessive intake of antacids. 
B)  gastrointestinal disorders. 
C)  administration of magnesium in the presence of renal disease. 
D)  enemas.

Question 2

In bone:

Accepted Answer

A)  calcium is complexed with bicarbonate. 
B)  the collagen component is type II collagen. 
C)  osteoclasts are responsible for bone formation. 
D)  osteoblasts are the bone-forming cells. 
A)  calcium is complexed with bicarbonate. 
B)  the collagen component is type II collagen. 
C)  osteoclasts are responsible for bone formation. 
D)  osteoblasts are the bone-forming cells.

Question 3

A factor that would alter protein binding of calcium and its redistribution among the three plasma pools would be:

Accepted Answer

A)  a change in an individual's posture. 
B)  liver disease. 
C)  increased citrate concentration. 
D)  an altered anion gap. 
A)  a change in an individual's posture. 
B)  liver disease. 
C)  increased citrate concentration. 
D)  an altered anion gap.

Question 4

In a case of osteomalacia related to vitamin D deficiency,would serum calcium be increased,decreased,or remain unchanged?

Accepted Answer

A)  Increased 
B)  Decreased 
C)  Remain unchanged 
A)  Increased 
B)  Decreased 
C)  Remain unchanged

Question 5

Total serum calcium:

Accepted Answer

A)  consists of an equal mix of free and protein-bound calcium. 
B)  contains a 10% fraction that is complexed to small anions. 
C)  is 80% bound to albumin. 
D)  contains a 25% fraction that is free and unbound. 
A)  consists of an equal mix of free and protein-bound calcium. 
B)  contains a 10% fraction that is complexed to small anions. 
C)  is 80% bound to albumin. 
D)  contains a 25% fraction that is free and unbound.

Exam 39: Disorders of Bone and Mineral Metabolism

Hypermagnesia may be observed in all of the following except:

In bone:

A factor that would alter protein binding of calcium and its redistribution among the three plasma pools would be:

In a case of osteomalacia related to vitamin D deficiency,would serum calcium be increased,decreased,or remain unchanged?

Total serum calcium:

Clinical Chemistry, molecular Diagnostics, and Laboratory Medicine

Selection and Analytical Evaluation of Methodswith Statistical Techniques

Clinical Evaluation of Methods

Evidence-Based Laboratory Medicine

Establishment and Use of Reference Values

Specimen Collection, processing, and Other Preanalytical Variables

Quality Management

Principles of Basic Techniques and Laboratory Safety

Optical Techniques

Electrochemistry and Chemical Sensors

Electrophoresis

Chromatography

Mass Spectrometry

Enzyme and Rate Analyses

Immunochemical Techniques

Automation

Point-Of-Care Instrumentation

Amino Acids, peptides, and Proteins

Serum Enzymes

Tumor Markers and Cancer Genes

Kidney Function Test-Screatinine, Urea, and Uric Acid

Carbohydrates

Lipids, lip-Oproteins, apolipoproteins, and Other Cardiac Risk Factors

Electrolytes and Blood Gases

Hormones

Catecholamines and Serotonin

Vitamins, Trace Elements, and Nutritional Assessment

Hemoglobin, Iron, and Bilirubin

Porphyrins and Porphyrias

Therapeutic Drugs and Their Management

Clinical Toxicology

Toxic Metals

Diabetes

Cardiovascular Disease

Kidney Disease

Physiology and Disorders of Water,Electrolyte,and Acid-Base Metabolism

Liver Disease

Gastrointestinal and Pancreatic Diseases

Disorders of the Pituitary

Disorders of the Adrenal Cortex

Thyroid Disorders

Reproduction-Related Disorders

Pregnancy and Prenatal Testing

Newborn Screening and Inborn Errors of Metabolism

Pharmacogenetics

Principles of Molecular Biology

Nucleic Acid Techniques and Applications

Genomes and Nucleic Acid Alterations

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