AATB FINAL EXAM ACCURATE TESTED VERSIONS OF THE EXAM FROM 2023TO 2024 | ACCURATE AND VERIFIED | NEXT GEN FORMAT | GUARANTEED PASS

. Potential cellular and matrix damage to valve tissue may be prevented by all of the following EXCEPT: a. Aseptic retrieval b. Maintenance of tissue and solutions between 1 and 10 degrees C c. Keeping tissue most during dissection d. Use of cryoprotectants - Ans - a. Aseptic retrieval 8. When performing skin recovery on a donor, how often should the dermatome blade changed? a. After every square foot of skin b. After every 2 square feet of skin c. When going from the left to right side and from anterior to posterior surfaces d. As often as necessary to maintain cutting efficiency - Ans - d. As often as necessary to maintain cutting efficiency 9. Skin should be recovered at a depth of how many thousandths of an inch: a. 1-5 b. 6-10 c. 10-20 d. 20-30 - Ans - c. 10-20 10. Residual calcium levels of demineralized bone shall NOT exceed: a. 5% b. 6% c. 8% d. 10% - Ans - c. 8% 11. Wolff's Law describes: a. Bone regeneration b. Fracture repair in long bones c. Repair of lamellar bone d. The relationship between form and function in the bone - Ans - d. The relationship between form and function in the bone 12. Microbiology procedures not required by AATB standards are: a. Environmental cultures b. Pre-disinfection cultures c. Pre-packaging cultures d. Procurement cultures - Ans - a. Environmental cultures 13. Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale are the layers of cells contained in the: a. Superficial fascia b. Dermis c. Epidermis d. Subcutaneous tissue - Ans - c. Epidermis 14. When preparing an autologous graft, when should cultures be obtained? a. At recovery b. Before distribution c. Just after processing d. Just before processing - Ans - d. Just before processing 15. All of the following are advantages of using allograft heart valves EXCEPT: a. Anticoagulation therapy not needed b. Catastrophic failures are rare c. Optimal hydraulic function, non obstructive flow d. Supply unlimited compared to xenografts - Ans - d. Supply unlimited compared to xenografts 16. Cold ischemic time for allograft heart valves is from: a. Donor refrigeration time to arrival at tissue bank b. Donor refrigeration to initiation of control rate freezing c. Tissue placement in cold transport solution to initiation of control rate freezing d. Tissue placement in cold solution to initiation of disinfection - Ans - d. Tissue placement in cold solution to initiation of disinfection 17. One goal of cardiovascular tissue banking should be to preserve the __________ of the cells on/in the leaflet and the _____________ of the valve matrix. a. Solubility/permeability b. Viability/integrity c. Viability/rigidity d. Volume/crystalline lattice - Ans - b. Viability/integrity 18. Focused audits are conducted to monitor or evaluate all of the following EXCEPT: a. Critical areas b. Areas where problems have been encountered c. Quality control problems d. Organizations performing services for the tissue bank - Ans - c. Quality control problems 19. Which of the following is an automatic deferral for heart valve donation? a. History of cancer b. Idiopathic disorders c. Viral cardiomyopathy d. Obesity - Ans - c. Viral cardiomyopathy 20. What temperatures should hearts be transported to the processing facility? a. 1-10 degrees C b. 2-10 degrees C c. 4 degrees C d. On ice-temperature does not matter - Ans - a. 1-10 degrees C 21. Basic elements for informed consent require: a. An explanation that nonprofit and/or for-profit organizations may facilitate the gifts b. Advance directives for hospitals being made known c. The next-of-kin to be available d. HIPAA regulations to be followed - Ans - a. An explanation that nonprofit and/or for-profit organizations may facilitate the gifts 22. The upper time limit for retrieval to processing heart valves is: a. Cold ischemic time shall not exceed 48 hours b. There is no time limit c. Total ischemic time shall not exceed 48 hours d. Warm ischemic time shall not exceed 48 hours - Ans - c. Total ischemic time shall not exceed 48 hours 23. Name the two valves most commonly utilized for cardiac surgery: a. Bicuspid and mitral b. Mitral and tricuspid c. Pulmonary and aortic d. Ventricle and atria - Ans - c. Pulmonary and aortic 24. What consideration must be given to pediatric donors who have been breastfed within the past 12 months? a. How long the infant has been breastfed b. SOP c. Funeral home requirements d. None of the above - Ans - d. None of the above 25. Documentation of reconstruction shall be maintained in: a. The hospital chart b. The family thank you letter c. Funeral home letter d. Donor record - Ans - d. Donor record 26.