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Pharmacology: Analgesics and Pain Relief

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Pharmacology: Analgesics and Pain Relief

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Questions and Answers

What is the effect of morphine on the oculomotor centre?

No effect on pupils

Unpredictable effect on pupils

Miosis (constriction of pupils) (correct)

Mydriasis (dilation of pupils)

What is the effect of morphine on the gastrointestinal tract?

Increased tone of smooth muscles and spasm of sphincters (correct)

No effect on smooth muscles and sphincters

Decreased tone of smooth muscles

Relaxation of smooth muscles and dilatation of sphincters

What is the effect of morphine on the basal metabolic rate?

It has no effect on the basal metabolic rate

It has a variable effect on the basal metabolic rate

It decreases the basal metabolic rate (correct)

It increases the basal metabolic rate

What is a therapeutic use of morphine?

Treatment of severe pain Signup and view all the answers

What is a major side effect of morphine?

Respiratory depression Signup and view all the answers

What is a characteristic of codeine compared to morphine?

It is less potent Signup and view all the answers

What is the primary function of analgesics?

To relieve pain due to multiple causes Signup and view all the answers

Which of the following is NOT classified as an analgesic?

Ergotamine Signup and view all the answers

Where do non-opioid analgesics act to relieve pain?

On the level of the thalamus and hypothalamus Signup and view all the answers

What is a characteristic of opioid analgesics?

They can produce addiction Signup and view all the answers

What is the effect of morphine on the respiratory centre?

It decreases the respiration rate and depth Signup and view all the answers

What are the types of opioid receptors identified in the nervous system and other tissues?

Mu, Kappa, Sigma, and Delta Signup and view all the answers