Which of the following substances is commonly used by individuals who stay awake at night?

Morphine is known to: $(i)$ Induce a feeling of euphoria. $(ii)$ Relieve anxiety,fear,and tension. $(iii)$ Suppress appetite. $(iv)$ Act on neurons in the central nervous system to relieve pain and induce sedation. $(v)$ Stimulate urine production. Which of the following statements are correct?

Which of the following is a narcotic drug?

From what is crack obtained?

Which of the following is $NOT$ a side effect of steroid use in males?

Heroin is