A 38-year-old female presents with sudden, severe headache, nausea, and vomiting. She describes the headache as 'the worst headache of my life.' She asks if the lights can be turned off as they have become very bothersome. She is a lawyer, and has been under a lot of stress due to an upcoming case she is preparing for. Past medical history is significant for hypertension and migraine headaches. She has been smoking a pack of cigarettes daily for 10 years. Physical examination is significant for very mild nuchal rigidity. Non-contrast head CT is shown. Which of the following is most likely the diagnosis?

A 38-year-old female presents with sudden, severe headache, nausea, and vomiting. She describes the headache as 'the worst headache of my life.' She asks if the lights can be turned off as they have become very bothersome. She is a lawyer, and has been under a lot of stress due to an upcoming case she is preparing for. Past medical history is significant for hypertension and migraine headaches. She has been smoking a pack of cigarettes daily for 10 years. Physical examination is significant for very mild nuchal rigidity. Non-contrast head CT is shown. Which of the following is most likely the diagnosis?

A 31-year-old woman presents to her primary care physician for the evaluation of episodes of severe jaw pain. She states that these episodes began approximately one week ago, occur dozens of times a day, each time lasting only a few seconds. The pain is in the right jaw, has a sharp, stabbing component, and is 10/10 in severity. Brushing her teeth and placing lotion on her face exacerbate the pain. Upon further questioning, the patient reports that 6 months ago, she had an episode of left-sided lower extremity muscle weakness and numbness that lasted 2 weeks before it spontaneously resolved. On physical examination, palpating the jaw elicited pain, but there was normal sensation. Inspection of the oropharynx, and skin of the face is unremarkable. Neurological examination is normal. Which of the following is the best next step in management?

Nerve impulses are carried to another part of the body by a neuron's (nerve cell):

What part of a neuron carries signals toward the part of the cell that houses the nucleus?

Botulinum toxin (Botox) produced by certain bacteria will