Please help due tomorrow

Which two levels of the spine that can undergo flexion and extension?

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus

A35-year-old woman arrives on the floor after an uneventful hysteroscopy to evaluate her long history of uterine fibroids. about 30 minutes after her arrival, she begins to complain of nausea and has two episodes of vomiting. the physical administers 0.625 mg of droperidol and 400 mg of acetaminophen by mouth. on follow-up evaluation, the patient's neck is involuntarily flexed to one side. she is alert, oriented, and conversation and has an otherwise normal neurological examination. which of the following is the most likely diagnosis? - cerebral vascular accident- conversion disorder- dystonic reaction to droperidol- munchausen syndrome- seizure