A nurse is teaching a client about the nervous system.
Which of the following neurotransmitters should the nurse include in the teaching as having an inhibitory action?

Serotonin

GABA

Acetylcholine

Dopamine

Answer and Explanation

The Correct Answer is B

Choice A rationale
Serotonin is indeed an inhibitory neurotransmitter. It helps regulate mood, appetite, and sleep among other things. However, its role in the nervous system is complex and it can also have excitatory effects depending on the specific receptors and neural pathways involved.
Choice B rationale
Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain. It works by decreasing neuronal excitability, which helps to regulate muscle tone, among other functions.
Choice C rationale
Acetylcholine is primarily an excitatory neurotransmitter, although it can have inhibitory effects in certain parts of the nervous system. It plays a key role in muscle activation, learning, and memory.
Choice D rationale
Dopamine can act as both an inhibitory and an excitatory neurotransmitter, depending on the type of receptor it binds to and the specific neural pathway involved. It plays key roles in reward, motivation, and motor control.

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Correct Answer is A

Explanation

Choice A rationale

Hyperoxia, or high oxygen levels, can cause unfavorable outcomes for a client who has a traumatic brain injury and is being mechanically ventilated. Too much oxygen can lead to oxygen toxicity and cause damage to the lungs and other organs, including the brain.
Choice B rationale
A platelet count of 250,000/mm^3 is within the normal range and would not typically cause unfavorable outcomes for a client who has a traumatic brain injury and is being mechanically ventilated.
Choice C rationale
A hemoglobin level of 16 g/dL is within the normal range and would not typically cause unfavorable outcomes for a client who has a traumatic brain injury and is being mechanically ventilated.
Choice D rationale
A Glasgow Coma Scale score of 16 is not possible as the maximum score is 15. A higher score indicates a less severe injury, so it would not typically cause unfavorable outcomes for a client who has a traumatic brain injury and is being mechanically ventilated.

A. Cognitive behavioral therapy B. Intermittent ice compress C. Phototherapy D. Walking on a treadmill E. Walking on a treadmill

Correct Answer is B

Explanation

Choice A rationale

Cognitive behavioral therapy (CBT) is a type of psychological treatment that can be effective for a range of conditions, including chronic pain. However, it may not be the most suitable for acute pain management at home following a knee injury. CBT usually involves working with a trained therapist over multiple sessions, which may not be practical or immediately beneficial in this context.
Choice B rationale
Intermittent ice compress is a highly recommended non-pharmacological method for managing acute pain, especially following a knee injury. The cold temperature from the ice can help numb the area, reducing pain and inflammation. It’s a simple, cost-effective, and readily available method that can be easily applied at home.
Choice C rationale
Phototherapy, also known as light therapy, involves exposure to specific wavelengths of light using polychromatic polarised light, lasers, light-emitting diodes, fluorescent lamps, or dichroic lamps. While it has been used to treat conditions like seasonal affective disorder, skin conditions, and neonatal jaundice, its effectiveness in managing acute pain following a knee injury is not well-established.
Choice D rationale
Walking on a treadmill might not be suitable for a patient experiencing acute pain following a knee injury. Physical activity is generally beneficial for overall health and certain types of chronic pain. However, in the case of an acute knee injury, rest and immobilization are often recommended initially to allow the injured tissues to heal.

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A nurse is teaching a client about the nervous system. Which of the following neurotransmitters should the nurse include in the teaching as having an inhibitory action?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a traumatic brain injury and is being mechanically ventilated. Which of the following can cause unfavorable outcomes for this client?

Correct Answer is A

Explanation

A nurse is caring for a patient experiencing acute pain following a knee injury. The nurse is educating the patient about pain management strategies to use at home.Which of the following non-pharmacological methods of pain relief should the nurse include in their teaching?

Correct Answer is B

Explanation

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A nurse is teaching a client about the nervous system.
Which of the following neurotransmitters should the nurse include in the teaching as having an inhibitory action?