Select the incorrect statement. A) Morphine is a more potent analgesic than heroin. B) Narcotic use often causes nausea and constricted pupils. C) Morphine is classified as a Schedule II controlled substance. D) Tolerance to the effects of morphine can develop quickly if it is used continually

A) Morphine is a more potent analgesic than heroin.

Explanation:

Morphine is a natural pain medication which is found in many plants. It acts on nervous system to reduce the pain. Morphine is more potent as heroin as a CTA inducing agents whereas morphine is less potent analgesic than heroin. Use of narcotic can cause a person nausea, flu, severe headache and constricted pupils. Morphine is classified as schedule II controlled substance. When there is repetitive use of morphine tolerance can be developed which can affect morphine outcome.