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DANB's MBDA (MBDA) Practice Tests & Test Prep by Exam Edge - Review

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DANB's Missouri Test of Basic Dental Assisting Skills - Reviews

Based on 200 reviews


"I found the practice tests extremely helpful. I passed the DANB RHS exam and felt that the subject matter was thoroughly covered by your practice tests. The viewing of films and answering questions on them was especially helpful. Thank you very much for the assistance in preparing for the DANB RHS exam."


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See why our users from 154 countries love us for their exam prep! Including 200 reviews for the DANB's MBDA exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

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DANB's Missouri Test of Basic Dental Assisting Skills - Test Reviews Sample Questions

A type of blood vessel with a wall made of three layers and carries blood away from the heart refers to:

Correct Answer:
arteries are the type of blood vessels that carry oxygenated blood away from the heart to various parts of the body. unlike veins, arteries have thick walls comprising three distinct layers, which are essential for maintaining blood pressure and proper blood flow through the circulatory system.

the innermost layer of an artery is called the endothelium or tunica intima. this layer is in direct contact with the blood flowing through the artery. it is smooth and lined with a type of cells called endothelial cells. these cells help to regulate blood clotting, immune function, and vessel constriction.

the middle layer, known as the tunica media, is primarily composed of smooth muscle cells and elastic fibers. this layer is thicker in arteries than in veins. the smooth muscle cells are crucial because they allow the arteries to constrict or relax, thereby controlling blood pressure. the elastic fibers provide the necessary elasticity that helps the artery walls to expand and contract as the heart pumps blood. this expansion and contraction facilitate the continuous flow of blood throughout the body.

the outer layer, or tunica externa (also known as tunica adventitia), is made up of connective tissue that contains collagen and elastic fibers. this layer provides structural support and protection to the artery. it also anchors the arteries to nearby organs and tissues, ensuring they stay in place despite the pressure of the blood flow.

in addition to their structural characteristics, arteries are also influenced by various physiological factors. sensory receptors within the arterial walls can detect changes in blood pressure and chemistry, initiating reflexes that adjust their diameter. sympathetic impulses from the nervous system can prompt the arteries to constrict, elevating blood pressure during activities or stress. conversely, the adrenal hormone epinephrine can either constrict or dilate arteries, depending on the type of receptors present on the smooth muscle cells.

overall, arteries play a critical role in the circulatory system by managing and maintaining blood pressure and ensuring efficient circulation of oxygen-rich blood from the heart to sustain all bodily functions.

Infections result in all of the following EXCEPT for:

Correct Answer:
lower costs.

infections are a significant concern in healthcare and their impact extends beyond just the medical symptoms they induce. while infections can indeed result in possible death, suffering, additional medical complications, and various inconveniences, they most certainly do not lead to lower costs. this is a critical point of misunderstanding that needs clarification.

firstly, infections typically result in an increased need for medical treatment, which can include extended hospital stays, additional diagnostic tests, more complex medication regimens, and sometimes surgeries or other invasive procedures. each of these factors significantly contributes to the overall cost of healthcare. for instance, if a patient acquires a hospital-related infection, the length of stay in the hospital can double, thereby doubling the cost associated with their care.

moreover, infections can lead to further medical complications that not only prolong recovery but also require more intensive and often more expensive treatment options. these complications might require the involvement of specialists and the use of advanced medical technology, both of which are costly resources. the additional costs are not just limited to direct medical expenses but also include indirect costs such as lost productivity when patients take longer to recover or are unable to return to work.

besides the financial costs to the healthcare system and patients, infections also impose emotional and psychological costs on patients and their families, leading to an overall decrease in the quality of life. while these are not financial costs per se, they represent a significant burden that is indirectly related to economic factors, such as the need for additional caregiving and support systems.

therefore, the assertion that infections could result in lower costs is fundamentally incorrect. on the contrary, the prevention of infections is a primary goal in healthcare not just to improve patient outcomes and reduce suffering but also to curtail the escalating costs associated with managing infection-related complications. effective infection prevention and control strategies are essential in minimizing these physical, emotional, and financial burdens.