AST Practice Exam #6 || A+ Graded Already.

The plicae circulares, microvilli and villi: A. Produce bacteria B. Increase absorption area C. Secrete digestive enzymes D. Initiate peristalsis correct answers B. Increase absorption area The microvilli, villi, and the plicae circulares increase the surface area for absorption and digestion in the small intestine. Which of the following come as numbered sets frequently used in neurosurgical procedures? A. Lacrimal probes B. Hegar dilators C. Van Buren sounds D. Penfield dissectors correct answers D. Penfield dissectors Penfield dissectors are used to separate the dura mater from the cranium during a craniotomy. The Penfield is atraumatic and its use prevents tearing the dura mater. What pathogen is most commonly associated with surgical wound infections? A. Staphylococcus aureus B. Klebsiella pneumonia C. Bacteroides fragilis D. Clostridium tetani correct answers A. Staphylococcus aureus Staphylococcus aureus is a common flora of the skin and also thrives in the nares of the nose which are the primary source of the microorganism in the operating room. Padgett and Reese are types of: A. Retractors B. Catheters C. Dermatomes D. Implants correct answers C. Dermatomes Padgett and Reese are types of dermatomes used to take skin grafts. Which of the following is a uterine dressing forceps? A. Schubert B. Bozeman C. Staude D. Ballantine correct answers B. Bozeman Bozeman forceps are long with a double curve and are included in a D & C instrument set. Which burn degree classification involves erythema without blisters?