NBDHE Exam Questions and
Answers 100% pass
Each of the following is true about drug half-life EXCEPT one. Which is the
EXCEPTION?
a.) the half-life of a drug can change if a patient is over 70 years old.
b.) the half-life of a drug can change when a patient is obese.
c.) the half-life of a drug may change in a patient with liver disease.
d.) the half-life of most drugs is increased by 1/2 if the dose is increased by 1/2. -
ANSWER-d.) the half-life of most drugs is increased by 1/2 if the dose is
increased by 1/2.
In the skeletal muscle, the sarcoplasmic reticulum regulates the concentration-
relaxation cycle by active transport of which ion?
a.) calcium
b.) magnesium
c.) phosphorus
d.) sodium - ANSWER-a.) calcium
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,Which side effect is associated with cardiac glycosides?
a.) candidiasis
b.) photosensitivity
c.) tooth discoloration
d.) visual disturbances - ANSWER-d.) visual disturbances
The ventral horn of the spinal cord contains
a.) motor neuron cell bodies
b.) sensory neuron cell bodies
c.) sympathetic neuron cell bodies
d.) unmyelinated axon only - ANSWER-a.) motor neuron cell bodies
Which procedure involves grafting tissue from one species to a different species?
a.) allograft
b.) autograft
c.) isograft
d.) xenograft - ANSWER-d.) xenograft
Viruses are detected most easily by which type of microscopy?
a.) darkfield
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,b.) electron
c.) light
d.) phase contrast - ANSWER-b.) electron
A 67-year old male has back pain, multiple punched-out jaw lesions, a monoclonal
elevated gamma globulin, a positive Bence-Jones protein. Which condition is the
most likely condition?
a.) Burkett lymphoma
b.) Hodgkin disease
c.) Lymphocytic leukemia
d.) multiple myeloma - ANSWER-d.) multiple myeloma
Intercellular ground substance is composed primarily of
a.) enzyme carbohydrate complexes
b.) fatty tissue
c.) protein carbohydrate complexes
d.) type 1 collagen - ANSWER-c.) protein carbohydrate complexes
1 Kilogram is equal to how many pounds?
a.) 1.5 pounds
b.) 2.2 pounds
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, c.) 4.4 pounds
d.) 5.5 pounds - ANSWER-2.2 pounds
which is a radiographic finding frequently observed in Paget disease?
a.) apical root resorption
b.) hypercementosis
c.) internal resorption
d.) widened PDL - ANSWER-b.) hypercementosis
Connective tissue changes and the development of necrotizing ulcerative gingivitis
are seen in patients who have
a.) hepatitis
b.) kwashiorkor
c.) rickets
d.) scurvy - ANSWER-d.) scurvy
Which is a distinguishing feature of the occlusal surface of the permanent maxillary
first molar?
a.) meisal triangular fossa
b.) oblique ridge formed by the union of the mesiobuccal and distolingual
triangular ridges
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Answers 100% pass
Each of the following is true about drug half-life EXCEPT one. Which is the
EXCEPTION?
a.) the half-life of a drug can change if a patient is over 70 years old.
b.) the half-life of a drug can change when a patient is obese.
c.) the half-life of a drug may change in a patient with liver disease.
d.) the half-life of most drugs is increased by 1/2 if the dose is increased by 1/2. -
ANSWER-d.) the half-life of most drugs is increased by 1/2 if the dose is
increased by 1/2.
In the skeletal muscle, the sarcoplasmic reticulum regulates the concentration-
relaxation cycle by active transport of which ion?
a.) calcium
b.) magnesium
c.) phosphorus
d.) sodium - ANSWER-a.) calcium
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,Which side effect is associated with cardiac glycosides?
a.) candidiasis
b.) photosensitivity
c.) tooth discoloration
d.) visual disturbances - ANSWER-d.) visual disturbances
The ventral horn of the spinal cord contains
a.) motor neuron cell bodies
b.) sensory neuron cell bodies
c.) sympathetic neuron cell bodies
d.) unmyelinated axon only - ANSWER-a.) motor neuron cell bodies
Which procedure involves grafting tissue from one species to a different species?
a.) allograft
b.) autograft
c.) isograft
d.) xenograft - ANSWER-d.) xenograft
Viruses are detected most easily by which type of microscopy?
a.) darkfield
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,b.) electron
c.) light
d.) phase contrast - ANSWER-b.) electron
A 67-year old male has back pain, multiple punched-out jaw lesions, a monoclonal
elevated gamma globulin, a positive Bence-Jones protein. Which condition is the
most likely condition?
a.) Burkett lymphoma
b.) Hodgkin disease
c.) Lymphocytic leukemia
d.) multiple myeloma - ANSWER-d.) multiple myeloma
Intercellular ground substance is composed primarily of
a.) enzyme carbohydrate complexes
b.) fatty tissue
c.) protein carbohydrate complexes
d.) type 1 collagen - ANSWER-c.) protein carbohydrate complexes
1 Kilogram is equal to how many pounds?
a.) 1.5 pounds
b.) 2.2 pounds
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, c.) 4.4 pounds
d.) 5.5 pounds - ANSWER-2.2 pounds
which is a radiographic finding frequently observed in Paget disease?
a.) apical root resorption
b.) hypercementosis
c.) internal resorption
d.) widened PDL - ANSWER-b.) hypercementosis
Connective tissue changes and the development of necrotizing ulcerative gingivitis
are seen in patients who have
a.) hepatitis
b.) kwashiorkor
c.) rickets
d.) scurvy - ANSWER-d.) scurvy
Which is a distinguishing feature of the occlusal surface of the permanent maxillary
first molar?
a.) meisal triangular fossa
b.) oblique ridge formed by the union of the mesiobuccal and distolingual
triangular ridges
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