Full µ-opioid receptor agonists are very effective in treating acute and moderate pain, however, they may cause side effects including:Group of answer choicespupil dilatationdiarrheatachycardiarespiratory depression

A client is experiencing an acute myocardial infarction (MI) and I.V. morphine is prescribed. Morphine is given because it:*1 pointa. Eliminates pain, reduces cardiac workload, and increases myocardial contractilityb. Lowers resistance, reduces cardiac workload, and decreases myocardial oxygen demandc. Raises the blood pressure, lowers myocardial oxygen demand, and eliminates paind. Increases venous return, lowers resistance, and reduces cardiac workload.

Which one of the following statements regarding the drugs used for the lower gastrointestinal tract is correct?Group of answer choicesThe opioid loperimide (Imodium) does not cross the blood brain barrier, and so is less likely to cause habituation.Dopamine receptor antagonists decrease motility of the intestinal smooth muscle.Diarrhoea is a consequence of too little gut motility.Opioids such as codeine hasten the passage of intestinal contents by increasing smooth muscle activity.

Opiates are dangerous at high doses due mostly to Group of answer choicestheir effects on cardiac muscle.the increased likelihood of a stroke.the suppression of the brainstem’s respiratory center.an overstimulation of the sympathetic nervous system.

Involves opioid receptor activation and inhibition of serotonin and norepinephrine reuptake*1 pointLidocaineGabapentinKetamineTramadolFlunixin Meglumine

Receptors of opioids are present in :-A CNS B Spleen C GIT D Both (1) and (3)