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Stimulus: Near vision or a close object.Receptor: Ciliary muscle and the lens.Afferent Limb: Optic nerve (cranial nerve II).Synapse(s): Optic nerve fibers synapse at the Edinger-Westphal nucleus in the midbrain.Efferent Limb: Preganglionic parasympathetic fibers from the Edinger-Westphal nucleusResponse: Constriction of the pupil (miosis) and adjustment of the lens curvature to focus on the near object.
crucial neural pathway involved in the coordination of eye movements -MLF for conjugate eye movement (both eye in the same direction) - Eye mov't is always sent to the abducens CN 6
A) Senses rotation or deceleration of head B) Receptors in semicircular canals C) Vestibular nuclei D) Oculomotor nuclei E) Extraocular muscles
Location: optic chiasma Describe the outcome:Both of the temporal field visual fields are knocked (Lateral side)
The Doppler effect is caused by a shift in __________ of moving particles, this is used in an _________
Stimulus: Changes in light intensityReceptor: Retina of the eye, specifically the photoreceptors (rods and cones).Afferent Limb: Optic nerve (cranial nerve II)Synapse(s): Optic nerve fibers synapse at the pretectal nucleus in the midbrain.Efferent Limb: Preganglionic parasympathetic fibers from the Edinger-Westphal nucleus.Response: Constriction (miosis) or dilation (mydriasis) of the pupil to regulate the amount of light entering the eye
Monitor breath sounds. • Report presence of crackles. • Discontinue infusion and notify provider of findings. • Monitor fetal heart rate for decreased variability
(Dinoprostone) Vaginal insert: • Insert the pouch containing the drug into the posterior fornix of the vagina. • Have clients lie supine for _____ hr while the pouch gradually releases the drug. • Remove the pouch using the attached tape when active labor begins or _____ hr later. • Follow the monitoring precautions listed above
A weightlifter overexerts himself in a weightlifting competition and herniates his L5 - S1 disc.Which spinal nerve will be compressed as a result?A) L4B) L5C) S1D) S2E) S3
If patient is too dizzy to use the restroom, a catheter may be needed
crucial neural pathway involved in the coordination of eye movements, ensuring that the muscles responsible
Location: R optic nerveDescribe the outcome: Temporal Field (on right side) Nasal Field (left side) Both Nasal and Temporal field of the Right Eye is affected resulting in ipsilateral eye (No vision)
Monitor strict input and output, with urinary output hourly. • Report urine output of less than 25 to 30 mL/hr. • Output less than 25 mL/hr can warrant discontinuation of treatment
Through what foramen does the Sciatic Nerve pass? __________
A) Visual stimuli (light enters the retina) -Temporal (lateral) or Nasal (medial) retina B) Optic nerve C) Optic chiasma D) Optic tract E) Primarily to the lateral geniculate nucleus (in thalamus)F) The lateral geniculate nucleus will have projections to primary visual cortex at the occipital lobe
Monitor blood pressure. • Monitor for nausea and vomiting. • Monitor for headache and note any worsening of headache. • Monitor heart rate. • Monitor for signs of seizure activity. • Institute seizure precautions if indicated
Adverse- Cardiac effects: tachycardia, myocardial ischemia, chest pain, palpitations, hypotension
Monitor serum _____ levels (target range 4 to 7 mEq/L)
Monitor DTRs every 1 to 4 hr. • Discontinue infusion and notify provider of diminished or absent reflex
(Magnesium sulfate) Administer maintenance dose by continuous infusion at _____

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