Patient Data

Exhibits

The nurse is discussing the client's pain management with a student nurse. Choose the most likely options for the information missing from the statement(s) by selecting from the lists of options provided.

Morphine is a(n)
and it activates
receptors and is used to relieve
.

Answer and Explanation

The Correct Answer is {"dropdown-group-1":"C","dropdown-group-2":"A","dropdown-group-3":"C"}

The correct answer is:

Morphine is a(n) **pure opioid antagonist** and it activates **mu** receptors and is used to relieve **severe pain**.

Choice area A

Choice A reason:

A pure opioid antagonist is a drug that blocks the effects of opioids by binding to their receptors without activating them. Morphine is not a pure opioid antagonist, but a pure opioid agonist, which means it binds to and activates opioid receptors, producing analgesia and other effects. Therefore, choice A is incorrect.

Choice B reason:

An endogenous opioid is a naturally occurring substance in the body that binds to and activates opioid receptors, such as endorphins and enkephalins. Morphine is not an endogenous opioid, but an exogenous opioid, which means it is derived from an external source, such as the opium poppy. Therefore, choice B is incorrect.

Choice C reason:

A pure opioid antagonist is the correct term for morphine, as explained above. Therefore, choice C is correct.

Choice D reason:

A local anesthetic is a drug that blocks the transmission of nerve impulses in a specific area of the body, causing numbness and loss of sensation. Morphine is not a local anesthetic, but a systemic analgesic, which means it affects the whole body and reduces the perception of pain. Therefore, choice D is incorrect.

Choice area B

Choice A reason:

Mu receptors are one of the three types of opioid receptors in the body, along with kappa and delta receptors. Mu receptors are responsible for most of the analgesic and euphoric effects of opioids, as well as respiratory depression and physical dependence. Morphine has a high affinity for mu receptors and activates them strongly. Therefore, choice A is correct.

Choice B reason:

Kappa receptors are another type of opioid receptors in the body. Kappa receptors mediate some analgesic effects of opioids, as well as dysphoria, sedation, and miosis. Morphine has a low affinity for kappa receptors and activates them weakly. Therefore, choice B is incorrect.

Choice C reason:

Delta receptors are the third type of opioid receptors in the body. Delta receptors modulate some analgesic effects of opioids, as well as emotional responses and memory. Morphine has a low affinity for delta receptors and activates them weakly. Therefore, choice C is incorrect.

Choice D reason:

NMDA receptors are not opioid receptors, but glutamate receptors that are involved in synaptic plasticity, learning, memory, and pain modulation. Some drugs that act on NMDA receptors, such as ketamine and dextromethorphan, have analgesic properties, especially for neuropathic pain. Morphine does not act on NMDA receptors. Therefore, choice D is incorrect.

Choice E reason:

GABA receptors are not opioid receptors, but gamma-aminobutyric acid receptors that are involved in inhibitory neurotransmission in the central nervous system. Some drugs that act on GABA receptors, such as benzodiazepines and barbiturates, have sedative, anxiolytic, anticonvulsant, and muscle relaxant properties. Morphine does not act on GABA receptors. Therefore, choice E is incorrect.

Choice area C

Choice A reason:

Mild pain is pain that is easily tolerated and does not interfere with normal activities or sleep. Mild pain can usually be managed with non-opioid analgesics, such as acetaminophen or ibuprofen. Morphine is not used to relieve mild pain, as it is too potent and has more side effects and risks than non-opioid analgesics. Therefore, choice A is incorrect.

Choice B reason:

Moderate pain is pain that causes discomfort and affects normal activities or sleep to some extent. Moderate pain can usually be managed with combination analgesics, such as codeine or hydrocodone with acetaminophen or ibuprofen. Morphine can be used to relieve moderate pain in some cases, but it is not the first-line option, as it may be more effective and safer to use lower doses of opioids with non-opioid analgesics. Therefore, choice B is incorrect.

Choice C reason:

Severe pain is pain that causes significant distress and impairs normal activities or sleep to a great extent. Severe pain usually requires strong opioids, such as morphine or fentanyl, to achieve adequate relief. Morphine is commonly used to relieve severe pain in various settings, such as post-operative pain, cancer pain, or acute myocardial infarction. Therefore, choice C is correct.

Choice D reason:

Neuropathic pain is pain that results from damage or dysfunction of the nervous system, such as diabetic neuropathy or post-herpetic neuralgia. Neuropathic pain often responds poorly to conventional analgesics, including opioids. Morphine can be used to relieve neuropathic pain in some cases, but it may not be very effective or require higher doses than for nociceptive pain (pain that results from tissue damage or inflammation). Therefore, choice D is incorrect.

Choice E reason:

Inflammatory pain is pain that results from tissue damage or inflammation, such as arthritis or appendicitis. Inflammatory pain often responds well to non-opioid analgesics, especially NSAIDs, which have anti-inflammatory properties. Morphine can be used to relieve inflammatory pain in some cases, but it may not be necessary or optimal to use opioids for this type of pain, as they do not have anti-inflammatory effects and may cause more side effects and risks than non-opioid analgesics. Therefore, choice E is incorrect.

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Correct Answer is D

Explanation

Choice A reason: Trouble sleeping is not a relevant information for administering pyridostigmine, which is a cholinesterase inhibitor that improves muscle strength and function in patients with myasthenia gravis. Trouble sleeping may be caused by other factors, such as stress, pain, or medication side effects.

Choice B reason: Difficulty with urination is not a pertinent information for administering pyridostigmine, which does not affect urinary function or bladder control. Difficulty with urination may indicate a urinary tract infection, prostate enlargement, or kidney stones.

Choice C reason: Unexplained weight loss is not a significant information for administering pyridostigmine, which does not affect metabolism or appetite. Unexplained weight loss may be a sign of an underlying condition, such as hyperthyroidism, diabetes, or cancer.

Choice D reason: Recent oral intake is the correct information for administering pyridostigmine, which should be taken on an empty stomach or before meals to enhance its absorption and effectiveness. Pyridostigmine can also help prevent or reduce dysphagia (difficulty swallowing), which is a common symptom of myasthenia gravis.

A. Obtain a hospital bed with side rails and an over-bed trapeze. B. Place small rugs on smooth surfaces such as tile or wood floors. C. Use caution when changing from a sitting to a standing position. D. Ambulate using a four point cane or a walker with wheels.

Correct Answer is C

Explanation

Choice A reason: Obtaining a hospital bed with side rails and an over-bed trapeze is not a necessary instruction for reducing the risk of injury for a client taking carbidopa-levodopa, which is a combination of two drugs that increase dopamine levels in the brain and improve motor function in patients with Parkinson's disease. A hospital bed may be helpful for patients with severe mobility impairment or bedridden status, but not for all patients with Parkinson's disease.

Choice B reason: Placing small rugs on smooth surfaces such as tile or wood floors is an incorrect instruction for reducing the risk of injury for a client taking carbidopa-levodopa, which is a combination of two drugs that increase dopamine levels in the brain and improve motor function in patients with Parkinson's disease. Small rugs can pose a tripping hazard and increase the risk of falls, especially for patients with impaired balance or coordination.

Choice C reason: Using caution when changing from a sitting to a standing position is a correct instruction for reducing the risk of injury for a client taking carbidopa-levodopa, which is a combination of two drugs that increase dopamine levels in the brain and improve motor function in patients with Parkinson's disease. Carbidopa-levodopa can cause orthostatic hypotension, which is a sudden drop in blood pressure when changing positions. This can cause dizziness, fainting, or falls. Patients should change positions slowly and carefully, and use support if needed.

Choice D reason: Ambulating using a four point cane or a walker with wheels is not a specific instruction for reducing the risk of injury for a client taking carbidopa-levodopa, which is a combination of two drugs that increase dopamine levels in the brain and improve motor function in patients with Parkinson's disease. The type of assistive device that is appropriate for each patient depends on their individual needs and abilities. Some patients may not need any device, while others may need different types of canes, walkers, or wheelchairs.

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Patient Data Exhibits The nurse is discussing the client's pain management with a student nurse. Choose the most likely options for the information missing from the statement(s) by selecting from the lists of options provided. Morphine is a(n) and it activates receptors and is used to relieve .

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with myasthenia gravis receives a new prescription for pyridostigmine. Which information should the nurse obtain prior to administering the medication?

Correct Answer is D

Explanation

A client recently diagnosed with Parkinson's disease receives a new prescription for carbidopa-levodopa, a dopaminergic drug. To reduce the client's risk for injury, which instruction should the nurse provide?

Correct Answer is C

Explanation

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Patient Data Exhibits The nurse is discussing the client's pain management with a student nurse. Choose the most likely options for the information missing from the statement(s) by selecting from the lists of options provided. Morphine is a(n) and it activates receptors and is used to relieve .

The nurse is teaching a client with type 1 diabetes mellitus (DM) about the onset, peak, and duration of a new prescription for glargine insulin. If the insulin is administered at 0800, when is the client most likely to experience hypoglycemia?

Patient Data

Exhibits

The nurse is discussing the client's pain management with a student nurse. Choose the most likely options for the information missing from the statement(s) by selecting from the lists of options provided.

Morphine is a(n)
and it activates
receptors and is used to relieve
.