Sam has persistent and distressing thoughts of germs; he can…

Sam has persistent and distressing thoughts of germs; he cannot eat without washing his hands three times before and three times after every meal. Although his hands are raw from the washings, he is overwhelmed with anxiety if he doesn’t wash using this method. Sam’s problems illustrate ____.

Harold is a mental health professional who has a medical deg…

Harold is a mental health professional who has a medical degree and prescribes antidepressants and antipsychotic medication for his patients. After graduating from medical school, he completed a three-year residency in his field. We can guess that Harold is a ____.