Questions for the MBLEX were updated on : Nov 21 ,2025
Which of the following hormones is responsible for the regulation of metabolism?
A
Explanation:
Thyroxine, produced by the thyroid gland, is a hormone that affects nearly every cell in the body by
regulating metabolic processes.
Choose the medical term given to name the collection of heart muscle cells that regulate the heart
beat.
C
Explanation:
The collection of specialized heart muscle cells which regulate the heart beat was discovered by the
Swiss cardiologist Wilhelm His in 1893 and this given the name, Bundle of His.
Albumins, globulins and fibrinogens are the 3 major classes of _______________.
C
Explanation:
Albumins, globulins and fibrinogens are proteins found in the blood plasma. They serve many
different functions, including transport of lipids, hormones, vitamins and metals in the circulatory
system. They also regulate acellular (single cell) activity and the functioning of the immune system.
A 27 year old male client enters a massage therapy office for a treatment holding his right hand along
the pinky and ring finger. He complains of numbness and weakness in the two affected digits. He
states the condition has been progressing over the last few weeks. He works in IT for a database
company and works normal hours and is not very stressed at work. He is a daily commuter cyclist and
also enjoys playing disc golf. What is the most likely cause of this condition?
B
Explanation:
The posture for bicycling requires the rider to rest on the palms while steering. Guyon’s canal
syndrome is also known as handlebar palsy.
Which of the following hormones regulates the development of reproductive processes within the
body?
A
Explanation:
FSH or follicle stimulating hormone, produced by the anterior portion of the pituitary gland
regulates the reproductive processes of the body, including development, growth and maturation.
What do the terms systole and diastole refer to?
C
Explanation:
Systole and diastole refer to the contraction (systole) and relaxation (diastole) phase of a heart beat.
A 27 year old male client enters a massage therapy office for a treatment holding his right hand along
the pinky and ring finger. He complains of numbness and weakness in the two affected digits. He
states the condition has been progressing over the last few weeks. He works in IT for a database
company and works normal hours and is not very stressed at work. He is a daily commuter cyclist and
also enjoys playing disc golf. Deep tissue massage is recommended to treat this condition.
B
Explanation:
Since Guyon’s canal syndrome is a compression injury of the ulnar nerve, deep tissue massage will
only cause additional damage and discomfort.
Which body system does the thymus belong to?
C
Explanation:
The thymus is a very special organ of the immune system. It functions to train T-lymphocytes to
adapt to pathogens and disorders within the body to maintain homeostasis.
Neutrophils, monocytes and macrophages are all under the classification of ________________.
B
Explanation:
Neutrophils, monocytes and macrophages are all phagocytes, which are cells of the immune system
that ingest and destroy foreign cells or other harmful substances via phagocytosis.
What does the term olfaction relate to?
A
Explanation:
Olfaction is the sense of smell. Special sensory cells in the nasal cavity called olfactory sensors are
designed to transmit the sense of smell via the detection of odor molecules.
Which of the following is not found in the nucleus of a cell?
D
Explanation:
The nucleus comprised of the nucleolus, chromatin and chromosomes is the command center of a
cell. Lysosomes act as the cells digestive system.
Which of the following cells are important to blood clotting?
D
Explanation:
Thrombocytes or platelets, are essential to blood clotting. Thrombocytes create platelet plugs by
releasing prothrombin at an injury site that bonds with calcium to form a clot.
Which of the following actions would you initially direct to your client to take in order to test the
structure and function of scapulohumeral rhythm?
B
Explanation:
Scapulohumeral rhythm exposes the function of the glenohumeral joint by testing at which degree
the scapula activates during an initial abduction of the arm. At 45 degrees, the scapula should
engage until the end range motion of abduction.
What is counted to determine the atomic number of an atom?
B
Explanation:
Protons located within the nucleus are counted to determine the atomic number of an atom. This is
different than the atomic mass which is a count of the total count of neutrons and protons within a
nucleus.
What do the trapezium, trapezoid, capitate and hamate have in common?
B
Explanation:
The trapezium, trapezoid, capitate and hamate comprise the distal row of carpal bones of the hand.
The scaphoid lunate, triquetrum and pisiform comprise the proximal row of carpals.