What prompted Japan to attack the United States at Pearl Harbor?

What sign is present in this film which suggests the presence of an elbow fracture?

Parents bring their obese 12-year-old son into your clinic.  They state he has been limping and complaining of increasing left hip and groin pain, with some radiation to the knee.  They have to fly to Samoa soon for a family wedding and hope to have the problem fixed before they leave.  What condition appears to be present in the patient’s plain film below?

A 14-year-old hits head while diving into a shallow pool of water with a high probability of a cervical fracture.  Which of the following imaging studies permits a rapid, quality view of the odontoid process?

An elderly obese male patient presents with a complaint of stiffness of the fingers, hip and knees along with pain on movement which is worse in the morning and worsens with weight bearing activities.  Which of the following X-ray findings supports the diagnosis of osteoarthritis?

This image was taken after a suicidal patient jumped off a two (2) story building.  On physical exam of the lower extremities, he has define neurological deficits.  What is observed in this CT image?

What would peripheral arterial disease would result in?

What is the finding on a spectral Doppler at the vascular narrowing area due to a plaque formation?

A 36-year-old female patient presents complaining of menorrhagia and pelvic pain during her menses for many years.  The main concern is a leiomyoma.  Which of the following modalities could be the preferred imaging study of choice?

A 55 year old male with PMH of HTN reports malaise and cough for 5 days.  Patient is not sure if he has had any fever, but reports some chills.  Patient reports the cough is slightly productive, but not sure of the sputum type.  Patient reports he also has nasal congestion, which has improved somewhat.  Patient reports the cough is keeping him up at night and his lower chest and abdominal muscles hurt with the cough.  Patient also reports some shortness of breath with exertion, but denies exertional chest pain.  Patient denies nausea, vomiting, diarrhea or leg swelling.  On exam, patient is well developed overweight male, in no apparent distress.  Trachea midline, no JVD.  Chest expansion is symmetric, anterior:lat diameter is 2:1.  On auscultation, lungs with rales in middle field of the Rt lung heard posteriorly, but no wheezing or rhonchi.  S1 and S2 with no murmurs, rubs or gallops.  No leg edema.  The rest of the exam is unremarkable.  VS: BP: 135/95 sitting Rt arm; HR: 105 bpm; R: 20 breath per minute; T: 100.7F oral; Pulse Ox: 95% on Room Air. Please provide differential diagnosis for this presentation (list at least 5) AND what imaging would be indicated for this case.