Clinical Chemistry Quiz Questions With Answers

Reviewed by Zohra Sattar
Zohra Sattar, PhD, Chemistry |
Chemistry Expert
Review Board Member
Dr. Zohra Sattar Waxali earned her doctorate in chemistry and biochemistry from Northwestern University, specializing in the metallomes of cardiac cells and stem cells, and their impact on biological function. Her research encompasses the development of arsenoplatin chemotherapeutics, stapled peptide estrogen receptor inhibitors, and antimicrobial natural products. With her expertise, Dr. Waxali ensures the accuracy and relevance of our chemistry quizzes, contributing to a comprehensive understanding of chemical principles and advancements in the field.
, PhD, Chemistry
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Clinical Chemistry Quiz Questions With Answers - Quiz

Take this clinical chemistry quiz to freshen up your knowledge and learn new things about the topic! When we take up the study of clinical chemistry, we are involved in the testing of bodily fluids with the aim of diagnosing a patient or for therapeutic purposes. How good are you at clinical chemistry? Take this multi-skill level questions quiz about clinical chemistry for MLT/CLT and MT/CLS below and see if you can pass it. All the best!


Questions and Answers
  • 1. 

    What lipoprotein is also referred to as "pre-beta" lipoprotein?

    • A.

      HDL

    • B.

      VLDL

    • C.

      LDL

    • D.

      Lipo B

    Correct Answer
    B. VLDL
    Explanation
    VLDL (Very Low Density Lipoprotein) is also referred to as "pre-beta" lipoprotein. VLDL is produced in the liver and contains a high amount of triglycerides. It is considered a precursor to LDL (Low Density Lipoprotein), which is often referred to as the "bad" cholesterol. VLDL transports triglycerides from the liver to various tissues in the body and plays a role in the development of atherosclerosis.

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  • 2. 

    What is the scientific measurement for volume?

    • A.

      Liter

    • B.

      Gram

    • C.

      Mole

    • D.

      Meter

    Correct Answer
    A. Liter
    Explanation
    The scientific measurement for volume is liter. This unit is commonly used to measure the amount of space occupied by a substance or an object. It is derived from the metric system and is widely used in scientific experiments and calculations.

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  • 3. 

    ALP is elevated in the following disorder?

    • A.

      Addison's Disease

    • B.

      Paget's Disease

    • C.

      Diabetes Insipidus

    • D.

      Scleroderma

    Correct Answer
    B. Paget's Disease
    Explanation
    Paget's Disease is a chronic bone disorder characterized by abnormal bone remodeling, resulting in enlarged and weakened bones. The elevated levels of ALP (alkaline phosphatase) in Paget's Disease can be attributed to the increased bone turnover and remodeling processes. ALP is an enzyme found in various tissues, including bone, and its levels are often elevated in conditions associated with increased bone activity. In contrast, Addison's Disease, Diabetes Insipidus, and Scleroderma do not typically cause significant changes in ALP levels.

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  • 4. 

    The renal threshold for glucose is__________________.

    • A.

      180 mg/dl

    • B.

      160 mg/dl

    • C.

      140mg/dl

    • D.

      120 mg/dl

    Correct Answer
    A. 180 mg/dl
    Explanation
    The renal threshold for glucose refers to the maximum concentration of glucose in the blood that the kidneys can reabsorb and prevent from being excreted in urine. In this case, the correct answer is 180 mg/dl, which means that if the blood glucose level exceeds this threshold, the kidneys are unable to reabsorb all the glucose and it starts to appear in the urine. This is often an indication of uncontrolled diabetes.

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  • 5. 

    Feces gets its brown pigmentation from _________________.

    • A.

      Stecobilirubin

    • B.

      Stercobilin

    • C.

      Stercobilinogen

    • D.

      Stecobilin

    Correct Answer
    B. Stercobilin
    Explanation
    Feces gets its brown pigmentation from stercobilin. Stercobilin is a breakdown product of bilirubin, which is formed from the breakdown of red blood cells in the liver. Bilirubin is then converted into stercobilin in the intestines and gives feces its characteristic brown color.

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  • 6. 

    In a hemolytic crisis, bilirubin levels are________________.

    • A.

      Normal

    • B.

      Increased

    • C.

      Decreased

    • D.

      Unchanged

    Correct Answer
    B. Increased
    Explanation
    In a hemolytic crisis, bilirubin levels are increased. Hemolytic crisis refers to a condition where there is an excessive breakdown of red blood cells, leading to an increased release of bilirubin into the bloodstream. Bilirubin is a yellow pigment produced during the breakdown of hemoglobin in red blood cells. When there is an increased destruction of red blood cells, the liver may struggle to process and eliminate the excess bilirubin, causing its levels to rise in the blood. Therefore, increased bilirubin levels are expected in a hemolytic crisis.

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  • 7. 

    Hyperkalemia can cause all of the following EXCEPT.

    • A.

      Decreased Vitamin D absorption

    • B.

      Muscle weakness

    • C.

      Heart arrhythmias

    • D.

      Neuromuscular symptoms

    Correct Answer
    A. Decreased Vitamin D absorption
    Explanation
    Hyperkalemia is a condition characterized by high levels of potassium in the blood. It can cause various symptoms and complications, including muscle weakness, heart arrhythmias, and neuromuscular symptoms. However, decreased vitamin D absorption is not directly related to hyperkalemia. Vitamin D absorption primarily occurs in the intestines and is influenced by factors such as dietary intake and sunlight exposure. Hyperkalemia does not directly affect the absorption of vitamin D in the body.

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  • 8. 

    Tetany is caused primarily by__________________,

    • A.

      Hypokalemia

    • B.

      Hyperkalemia

    • C.

      Hypercalcemia

    • D.

      Hypocalcemia

    Correct Answer
    D. Hypocalcemia
    Explanation
    Tetany is caused primarily by hypocalcemia, which refers to low levels of calcium in the blood. Calcium is essential for proper nerve and muscle function, and a deficiency can lead to increased nerve excitability and muscle spasms, characteristic symptoms of tetany. Hypokalemia, hyperkalemia, and hypercalcemia are conditions related to potassium and calcium levels, but they are not the primary cause of tetany.

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  • 9. 

    The basic building block of a protein is called a/an_______________________.

    • A.

      Peptide

    • B.

      Amino acid

    • C.

      Alpha-protein

    • D.

      Peptone

    Correct Answer
    B. Amino acid
    Explanation
    The basic unit of protein is called an amino acid. Amino acids are organic compounds that contain an amino group (-NH2) and a carboxyl group (-COOH). They are the building blocks of proteins and are linked together by peptide bonds to form polypeptide chains. Each amino acid has a unique side chain, or R-group, that determines its specific properties and function. Therefore, amino acids play a crucial role in the structure and function of proteins. Amino acids are linked to each other in a protein by peptide bonds.

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  • 10. 

    The "MM" fraction of CK is most abundant in _____________________.

    • A.

      Skeletal muscle

    • B.

      Cardiac muscle

    • C.

      Brain tissue

    • D.

      None of the above

    Correct Answer
    A. Skeletal muscle
    Explanation
    The "MM" fraction of CK, which refers to the muscle-specific isoform of creatine kinase, is most abundant in skeletal muscle. This isoform is primarily found in the skeletal muscle tissue and is responsible for the transfer of high-energy phosphate groups. It is not as prevalent in cardiac muscle or brain tissue. Therefore, the correct answer is skeletal muscle.

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  • 11. 

    Which enzyme is the most related to acute pancreatitis?

    • A.

      AST

    • B.

      Amylase

    • C.

      GGT

    • D.

      Lipase

    Correct Answer
    D. Lipase
    Explanation
    Lipase is more specific for acute pancreatitis because it is an enzyme that is primarily produced by the pancreas. Elevated levels of lipase in the blood indicate damage or inflammation of the pancreas, which is a characteristic feature of acute pancreatitis. AST, amylase, and GGT are also enzymes that can be elevated in pancreatitis, but lipase is the most specific marker for diagnosing this condition.

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  • 12. 

    In your own words accurately describe what osmotic pressure is.

  • 13. 

    What type of sample can be used to test for protein?

    • A.

      CSF

    • B.

      Urine

    • C.

      Serum/plasma

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above samples can be used to test for protein. CSF (cerebrospinal fluid), urine, and serum/plasma are commonly used samples in medical laboratories to measure protein levels. CSF is the fluid that surrounds the brain and spinal cord, urine is the liquid waste product excreted by the kidneys, and serum/plasma is the liquid component of blood. Protein testing in these samples can provide valuable information about various health conditions and diseases.

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Zohra Sattar |PhD, Chemistry |
Chemistry Expert
Dr. Zohra Sattar Waxali earned her doctorate in chemistry and biochemistry from Northwestern University, specializing in the metallomes of cardiac cells and stem cells, and their impact on biological function. Her research encompasses the development of arsenoplatin chemotherapeutics, stapled peptide estrogen receptor inhibitors, and antimicrobial natural products. With her expertise, Dr. Waxali ensures the accuracy and relevance of our chemistry quizzes, contributing to a comprehensive understanding of chemical principles and advancements in the field.

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  • Current Version
  • Feb 02, 2024
    Quiz Edited by
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    Expert Reviewed by
    Zohra Sattar
  • Jan 26, 2009
    Quiz Created by
    M Robinson
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