Gayle Is a 55-Year-Old Woman Who Is Suspected of Having

Gayle is a 55-year-old woman who is suspected of having a brain tumor.The clinician orders diagnostic testing for thyroid-stimulating hormone (TSH) and magnetic resonance imaging (MRI) to confirm this.Which of the following statements is true regarding a brain tumor?

A) The symptom of headache is rare.
B) A brain tumor can be a malignant or benign neoplasm.
C) The etiology of brain tumors is often known.
D) Brain tumors occur more commonly in females than males.