Fatigue, feeling cold, brittle or thinning hair, and leg cramps are all symptoms of which disease?

Which is the structural abnormality in Arnold-Chiari malformation?

a. Defective closure of the caudal neural tube b. Defective closure of the rostral neuropore c. Excessive accumulation of CSF within the ventricles d. Elongation of the cerebellum and medulla

You are on the scene at an office building where a 32-year-old male is described as having difficulty breathing and chest pain. The patient is allergic to peanuts and thinks he may have accidentally ingested some cookies with peanuts in them this afternoon during his break. He is pale with a pulse rate of 158 and a respiratory rate of 36. You understand that a "fight-or-flight" response may have

been activated in this patient, involving which nervous system and which hormone? A) Parasympathetic nervous system and epinephrine B) Parasympathetic nervous system and insulin C) Sympathetic nervous system and insulin D) Sympathetic nervous system and epinephrine