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NR 547 Week 4 Study Guide | Sleep & Sexual Dysfunction Disorders

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Master NR 547 Week 4 with this comprehensive study guide covering sleep-wake disorders (insomnia, narcolepsy, sleep apnea), sexual dysfunctions (female interest/arousal disorder, erectile dysfunction), and pharmacological treatments for PMHNPs.

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NR 547
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NR 547

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NR 547 Differential Diagnosis in Psychiatric-Mental Health
across the Lifespan Practicum - Chamberlain




NR 547 Week 4

1. Lack of sleep may lead to: mental health problems, injuries, decreased
productivity, and increased risk of death: mental health problems, injuries,
de- creased productivity, and increased risk of death


2. Excitatory vs sleep - promoting neurotransmitters: Excitatory
- acetylcholine
- norepinephrine
- histamine
- serotonin
- orexin
- dopamine


Sleep - promoting
- GABA
- melatonin
- adenosine 116 /




3. Restless legs syndrome treatment: Dopamine agonists

,- pramipexole (Mirapex), ropinirole (Requip)
• adverse effects: daytime somnolence, nausea


Iron
- Check serum iron levels.
• Provide supplementation if needed


Gabapentin/ pregabalin
- severe or painful RLS


4. The and give the penis its erectile,
sexual function.: three corpora and associated blood vessels


5. Erectile dysfunction: AKA impotence



- the inability to get and/or maintain a penile erection that is firm enough for
sexual relations
- can be due to physical or psychological causes
• affect any of the areas of the brain, reproductive hormones, emotions,
nerves, muscles, and/or blood vessels that are involved with the phenomenon of
erection • most common physical causes include heart disease, atherosclerosis
(clogged blood vessels), high blood pressure, nerve damage, and stroke
• most common psychological causes include stress, anxiety, depression, or
com - munication issues with the sexual partner


6. CDC recommends that adults sleep hours per night: 7- 9


7. The sleep cycle occurs over approximately minutes with
distinct stages: 50- 70 minutes five distinct stages
2/
16




8. Sleep Cycle Stages: Stage 1: Drowsy

, - Short period of non - REM sleep, includes drowsiness & drifting off to sleep; can

quickly awaken; eye movements, breathing, & heart rate slow, but occasional

muscle twitches occur Stage 2: Light Sleep

- Brain activity slows, but brief bursts of electrical activity (sleep spindles)
occur; eye movement stops; more repeated sleep cycles occur in stage 2 than
in any other stage.


Stage 3: Moderate to Deep Sleep
- Heartbeat & breathing slow to lowest levels and muscles relax; more
challenging to wake; brain waves slow, delta waves are present.


Stage 4: Deep Sleep
- Stages 3 and 4 are necessary to feel rested in the morning; brain waves are
almost exclusively delta waves; sleepwalking, if present, occurs during this stage


Stage 5 - REM sleep
- approximately 90 min after sleep begins; eyes move rapidly from side to side
with eyes closed; breathing is irregular and faster than during other stages;
heart rate & BP are similar to waking levels; most dreaming occurs during REM
sleep; sleep paralysis can occur; REM sleep decreases with age.


9. Factors Affecting Sleep: - Emotional stress
- Fatigue
- Use of drugs or other substance abuse
- Physical illness
- Environmental factors
- Food and caloric intake


10. Sleep/wake homeostasis: the function that tracks the body's need for rest
3 / and
controls the amount and intensity of sleep 16



- affected by light and dark
• If the eyes perceive light, melatonin production is suppressed, leading to
wakeful - ness

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NR 547

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