NIFA practice test B2 questions and 100% correct answers

In the following illustration, the arrows points to a line that represents the: - correct answer b. separation between the superior mediastinum and the inferior mediastinum An intramuscular injection into the buttocks is most safely done: - correct answer a. into the superolateral quadrant. Acoustic neuromas arise from the Schwann cells of the vestibular portion of the eighth cranial nerve and are benign tumors. What is the postauricular incisional approach that offers the best chance of saving the integrity of the facial nerve? - correct answer c. Translabyrinthine A plain radiograph of a patient following a knife wound to the left side of his neck showed elevation of the left hemidiaphragm, narrowing of the left intercostals spaces, and displacement of the trachea to the left. You suspect: - correct answer b. pneumothorax due to knife penetration of the cervical pleura. The transverse colon meets the ascending colon at what point? - correct answer c. Hepatic flexure Select the true statement about antimetabolite drugs and their indications for use. - correct answer c. 5-Fluorouracil and mitomycin can both be administered topically to dissolve scars and pterygia. Question text Morris Bettelman, an 86-year-old retired plumber, states that he has suffered from a groin hernia all of his adult life; he states, "as far back as I can remember." Sometimes he has to push the bulge back into his abdominal muscle and then he is fine until he has a coughing spell. This morning the bulge was large and tender when he woke up and he could not reduce it. As the pain increased, he felt weak and nauseous. His daughter took him to the emergency department. Morris was diagnosed with a strangulated incarcerated hernia and scheduled for emergency surgery. If the contents of Morris' hernia sac become compromised, with strangulation of the bowel, the probable label on his surgical specimen will be: - correct answer c. necrotic bowel.