Simulation NBDHE Exam by Darby (Exam #4)

Radiographic diagnosis contributes significantly to the final diagnosis of all the following EXCEPT one. Which one is the EXCEPTION?

Cementomas

Each of the following statements regarding distribution of a drug within the system is true EXCEPT one. Which one is the EXCEPTION? A. Drugs are transported to the site of action B. Drugs are redistributed from one tissue to another C. Once a drug binds to a protein receptor it cannot exert its pharmacologic effect D. Drug metabolism takes place mainly in the kidneys

Drug metabolism takes place mainly in the kidneys

Short-acting and long- acting β2-adrenergic agonists (sympathomimetics) prescribed to treat asthma and respiratory conditions include each of the following EXCEPT one. Which one is the EXCEPTION?

Fluticasone (Flovent)

Which of the following blood cells is an agranular leukocyte?

Lymphocyte

Each of the following drugs are considered "probably" safe during pregnancy EXCEPT one. Which one is the EXCEPTION?

Metronidazole

Which of the following does NOT correctly describe a radicular cyst? A. Most commonly form during mixed dentition and teen years B. Contributing factors include dental caries and trauma C. Develop as a response to inflammation associated with nonvital teeth D. May develop in an accessory lateral pulp canal

Most commonly form during mixed dentition and teen years

Characteristics of rheumatoid arthritis (adult type) include each of the following EXCEPT one. Which one is the EXCEPTION? A. Etiology varies; it may be unknown B. Signs and symptoms within the TMJ occur later than within the fingers C. Onset is acute with fever, rash, spleen, and lymph node involvement D. Signs and symptoms include fatigue, loss of appetite, and low-grade fever

Onset is acute with fever, rash, spleen, and lymph node involvement

Which of the following interactions of x-ray photons and matter results from an incident photon colliding with a tightly bound inner-shell electron and accounts for approximately 30% of such interactions?

Photoelectric effect

Each of the following are located within the cerebrum EXCEPT one. Which is the EXCEPTION? A. Frontal lobe B. Occipital lobe C. Pons D. White matter

Pons

Which of the following interventions is NOT a treatment for acute leukemia? A. Renal surgery B. Optimal oral hygiene C. Chemotherapy D. Antibiotics

Renal surgery

The four to five modular pieces in the coccygeal vertebral (coccyx) area articulate with the

Sacrum

Which one of the following stages of syphilis is properly matched with the clinical manifestation? A. Primary-rash B. Secondary-chancre C. Primary-gumma D. Tertiary-gumma

Tertiary-gumma

Fever and erythema are considered systemic signs of inflammation. Pain, swelling, and edema are considered local signs of inflammation.

The first statement is false, the second is true.

Neuroglia, specialized tissue cells that support neurons, conduct nerve impulses away from the cell body. Neuroglia produce the myelin sheath around the axons of the central nervous system (CNS).

The first statement is false, the second is true.

The sternohyoid muscle is classified as a suprahyoid muscle. The sternohyoid muscle originates on the thyroid cartilage.

The first statement is false, the second is true.

The silver halide crystals in the emulsion of radiographic film determine the speed of the film. Larger silver halide crystals in the emulsion of dental radiographic film result in slower film but a more detailed, high contrast image.

The first statement is true, the second is false

Frictional keratosis can be caused by each of the following EXCEPT one. Which one is the EXCEPTION? A. Constant, low-grade irritation B. Tongue chewing C. Vitamin C deficiency D. Cheek biting

Vitamin C deficiency

Aluminum filters, a portion of the radiographic machine's anode, are placed in the path of the x-ray beam to

filter the low-energy, nonpenetrating x-rays from the beam

The official name of a drug determined by the U.S. Adopted Names Council is called the

generic name

Older adults need special consideration in many areas. Dental personnel can be helpful by understanding that older adults

have an increased risk for root caries

The corpus luteum is maintained for the first 10 weeks of pregnancy by

human chorionic gonadotropin (hCG)

Radiation damage from the radiolysis of water to hydrogen peroxide within DNA macromolecules is referred to as

indirect

Ionizing radiation, produced by the process by which radiant energy removes an orbital electron from an atom

produces particulate radiation

An adverse reaction that has an effect on an organ other than that intended to altered is called a/an

side effect.

Drugs that produce adverse effect on a fetus are considered

teratogenic

The portion of the anode that serves as a focal spot and converts bombarding electrons into x-ray photons is called the

tungsten target

Oral symptoms of sickle cell disorder include each of the following EXCEPT one. Which one is the EXCEPTION? A. Ankylosis of posterior teeth in children B. Pale oral mucosa and angular cheilitis C. Oral ulcers D. Osteomyelitis of the mandible

Ankylosis of posterior teeth in children