COMPLETE SOLUTIONS
Based on the patient's history and prolonged gingival bleeding, the function of which
organ is compromised? - ANSWER-Liver
Surgical procedures involving the parotid gland pose the greatest risk of damage to the
- ANSWER-Retromandibular vein
Which stratum layer of the epidermis contains stem cells undergoing mitosis -
ANSWER-Bas-ale
What inflammatory cell would predominate in chronic sialadenitis if a biopsy is
performed? - ANSWER-Lymphocytes
Which type of bone cells secrete collagenase? - ANSWER-Osteochondral progenitor
cells
Which chemical or compound is most toxic to hepatocytes? - ANSWER-A: Chloroform
Which form of glucose is responsible for the glycation of proteins? - ANSWER-C: Linear
unbranched
Circular folds, intestinal villi, and brush border contribute to the digestion and absorption
process in the small intestine by - ANSWER-maximizing the surface area.
How might the stress of the automobile accident have impacted glucose control? -
ANSWER-Decreased glucose control due to cortisol release
Addison's disease is characterized by - ANSWER-C. hypofunctionoftheadrenalcortex.
The urinalysis of a 3-month-old female with signs of neurological defects reveals
abnormally high levels of several tricarboxylic acid (TCA) cycle intermediates such as
fumarate, succinate, α-ketoglutarate citrate, and malate. A deficiency in which enzyme
is the most likely cause of the patient's condition - ANSWER-Fumarase
What is the most likely diagnosis? - ANSWER-Hypophosphatasia- an inherited disorder
that affects the development of the bones and teeth
The offspring of a genotypically normal mother and a father with an X-linked recessive
disease will produce - ANSWER-D: 100% carrier daughters.
Item #14
, During the hemostasis coagulation cascade, exposure of which pericytes membrane
protein results in the initiation of the extrinsic pathway - ANSWER-Factor III
Each of the following molecules can be transported through gap junctions in the cell
membrane EXCEPT one. Which is the EXCEPTION? - ANSWER-D: Protein
Item #16
The analgesic effect of nitrous oxide is the result of activation of the - ANSWER-opioid
receptors.
Which type of neuroglia produces myelin in the central nervous system? - ANSWER-B:
Oligodendrocytes
Loss of muscle function in the jaw and shoulders is characteristic of - ANSWER-B:
facioscapulohumeral muscular dystrophy.
The presence of antibodies that act against acetylcholine receptors is characteristic of -
ANSWER-B: myastheniagravis. Break down in communication between nerves and
cells
What is a common complication of large acute myocardial infarcts? - ANSWER-D:
Pump or congestive heart failure
Each of the following exacerbates polymerization of hemoglobin in a patient with sickle
cell anemia EXCEPT one. Which is the EXCEPTION? - ANSWER-High oxygen tension
Shortly after receiving local anesthetic, the patient complains of nausea, dyspnea, and
tingling around the lips, which are edematous. Each element of the dental environment
may provoke these symptoms EXCEPT one. Which is the EXCEPTION? - ANSWER-
Bronchodilation
What microorganism is known for its propensity for maxillary sinus involvement? -
ANSWER-C: Mucormycosis
Item #24
The component of the outer membrane of gram-negative bacteria that stimulates the
host immune response and causes tissue damage is a/an - ANSWER-A: endotoxin.
Which of the following is characteristic of the hydropic degeneration of hepatocytes? -
ANSWER-Water displacement of the endoplasmic reticulum
Histological examination of a biopsy from a cyst taken from a lower lip reveals a cystic
cavity filled with mucus and surrounded by a layer of granulation tissue. The most likely
cause of this lesion is trauma to the - ANSWER-minor salivary glands.