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.

One common effect of increasing opiate dose is Group of answer choiceseuphoria.elevated respiration rate.increased sex drive.increased awareness of one’s surroundings.

Opiates tend to suppress medulla activity. What functions might they impact via effects on the medulla? Group of answer choicesLearning and memoryVisionNoneOlfactionBreathing

Which statement about the effects of opiates on synaptic transmission is false? Group of answer choicesThey act on receptors that are coupled to G proteins that open potassium channels, close calcium channels, and inhibit adenylyl cyclase.They affect presynaptic autoreceptors and reduce the amount of transmitter released.They cause postsynaptic depolarization by opening potassium channels.They cause less transmitter to be released via axoaxonic inhibition.

Which of the following is not true of opioids? Group of answer choicesThey are slightly addictive Overdose or death during sleep is a big danger with using them They are often laced with substances such as battery acid Someone can develop opioid use disorder just after a few weeks of using them

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.