Med-Surg Exam 4: ATI-Style Study Guide

Comprehensive 350-card vocabulary flashcard set for Med-Surg Exam 4, covering neurological function, alterations in mobility, perioperative care, and dosage calculation mathematics.

ANRS 216 Exam 4 Roadmap Date

November 12, 2026, the specific updated date from which the medical-surgical exam roadmap was established.

ATI Safety Priority

The clinical framework prioritizing airway, breathing, circulation, safety, time-sensitive stroke care, neurovascular changes, and early recognition of postoperative complications.

Tonic-clonic seizure

A generalized seizure characterized by loss of consciousness, tonic stiffening, and subsequent clonic rhythmic jerking.

Tonic phase

The initial muscular phase of a generalized seizure characterized by sudden, rigid body stiffening.

Clonic phase

The phase of a generalized seizure characterized by rapid, alternating contractions and rhythmic jerking of the extremities.

Postictal period

The post-seizure recovery interval commonly characterized by confusion, disorientation, headache, and profound sleepiness.

Tongue biting

A physical trauma finding frequently associated with the involuntary jaw clenching of a generalized tonic-clonic seizure.

Focal-onset seizure

A seizure that originates in a localized neuronal network within one cerebral hemisphere.

Focal aware seizure

A focal seizure during which the client retains baseline consciousness, awareness, and memory of the event.

Focal impaired-awareness seizure

A focal seizure characterized by altered or diminished consciousness, often accompanied by blank staring and automatisms.

Automatisms

Involuntary, repetitive motor behaviors such as lip smacking, chewing, swallowing, or manual fumbling seen during focal impaired-awareness seizures.

Epilepsy

A chronic neurological disorder characterized by recurrent, unprovoked seizures, not established by an isolated single seizure.

Antiseizure medication adherence

Taking prescribed anticonvulsants precisely on schedule without abrupt discontinuation or unauthorized dose doubling, which can trigger breakthrough seizures.

Seizure diary

A client-maintained diagnostic log documenting seizure frequency, duration, manifestations, and potential personal environmental or physiological triggers.

Seizure triggers

Precipitating factors that lower seizure threshold, including sleep deprivation, missed medications, excess alcohol or withdrawal, recreational drugs, and emotional stress.

Ketogenic diet

A high-fat, low-carbohydrate medical nutrition therapy prescribed for selected drug-resistant epilepsy under strict specialist and dietitian supervision.

Seizure water safety

Safety recommendations mandating showering rather than taking tub baths alone and strictly prohibiting swimming unaccompanied.

Seizure environment management

Easing the client to the floor or bed, clearing nearby hard or sharp objects, and cushioning the head to prevent mechanical trauma.

Seizure positioning

Turning the client into a side-lying lateral position when safely feasible to maintain airway patency and facilitate drainage of oral secretions.

Seizure mouth safety rule

The strict prohibition against forcing the jaw open or placing fingers, tongue blades, utensils, oral medications, or fluids into a seizing client's mouth.

Emergency seizure duration threshold

Continuous seizure activity lasting $5\text{ minutes}$ or longer, which constitutes a medical emergency requiring rapid resuscitation response.

Emergency seizure indications

Clinical indications requiring immediate emergency activation: seizure lasting $\ge 5\text{ minutes}$, repeated seizures without recovery, respiratory compromise, first seizure, pregnancy, trauma, or water submersion.

Postictal airway management

Maintaining a side-lying position until the client is fully conscious and protective airway reflexes are completely restored.

Postictal neurological assessment

Evaluating airway, breathing, vital signs, oxygen saturation, blood glucose, injuries, aspiration risk, and level of consciousness following a seizure.

Postictal documentation elements

Recording seizure onset time, duration, motor activity, level of awareness, bladder or bowel incontinence, trauma, nursing interventions, and postictal recovery.

Transient ischemic attack (TIA)

A temporary episode of focal neurological dysfunction resulting from cerebral ischemia without acute tissue infarction, representing an urgent warning sign of impending stroke.

Ischemic stroke

Cerebral infarction caused by arterial occlusion from a thrombus or embolus, depriving downstream brain tissue of oxygen and glucose.

Hemorrhagic stroke

Intracranial bleeding resulting from the rupture of a cerebral vessel, spilling blood into brain parenchyma or surrounding subarachnoid spaces.

Atrial fibrillation in ischemic stroke

A cardiac dysrhythmia risk factor that promotes blood stasis and intra-atrial clot formation, leading to cardioembolic strokes.

Carotid artery disease

Atherosclerotic plaque accumulation in carotid vessels that serves as a primary risk factor for transient ischemic attacks and thrombotic strokes.

Arteriovenous malformation (AVM)

A congenital vascular anomaly consisting of a tangled nexus of fragile arteries directly connected to veins, carrying high rupture risk for hemorrhagic stroke.

Cerebral aneurysm

A localized, pathological dilation or outpouching of a cerebral arterial wall susceptible to rupture and life-threatening subarachnoid hemorrhage.

BE-FAST acronym

A standardized clinical mnemonic for rapid stroke identification: Balance, Eyes, Face, Arm, Speech, and Time.

BE-FAST: Balance

Assessing for sudden loss of equilibrium, gait ataxia, dizziness, or coordination deficits.

BE-FAST: Eyes

Assessing for sudden loss of vision, blurred vision, diplopia, or visual field loss in one or both eyes.

BE-FAST: Face

Assessing for sudden unilateral facial drooping, asymmetric smile, or flattened nasolabial fold.

BE-FAST: Arm

Assessing for sudden unilateral weakness, numbness, or motor drift when holding both arms extended.

BE-FAST: Speech

Assessing for dysarthria, slurred articulation, expressive aphasia, or difficulty comprehending spoken language.

BE-FAST: Time

The critical mandate to establish the precise last-known-well time and immediately activate the emergency stroke response system.

STAT noncontrast head CT

An emergency initial neuroimaging scan performed immediately to differentiate cerebral hemorrhage from acute ischemia before administering thrombolytics.

Early CT limitation in ischemic stroke

The clinical principle that a normal early noncontrast head CT does not rule out acute ischemic stroke, as ischemic changes may take hours to visualize.

Secondary stroke prevention therapies

Interventions following TIA or stroke including antiplatelets, statins, blood pressure control, glycemic management, smoking cessation, and carotid interventions.

Glasgow Coma Scale (GCS)

A standardized neurological evaluation measuring eye opening, verbal response, and motor response, yielding a total score from $3$ to $15$.

GCS: Eye opening score 4

Spontaneous opening of the eyes without external stimulation.

GCS: Eye opening score 3

Opening of the eyes elicited by verbal command or speech.

GCS: Eye opening score 2

Opening of the eyes elicited only in response to physical pressure or painful stimuli.

GCS: Eye opening score 1

Complete absence of eye opening despite painful pressure.

GCS: Verbal response score 5

Oriented conversation with accurate awareness of person, place, and time.

GCS: Verbal response score 4

Confused conversation demonstrating disorientation and inability to answer questions accurately.

GCS: Verbal response score 3

Utterance of inappropriate, random, or disorganized words.

GCS: Verbal response score 2

Vocalization limited to incomprehensible sounds, moans, or groans.

GCS: Verbal response score 1

Complete lack of verbal response or sound production.

GCS: Motor response score 6

Accurate following and obedience of two-step motor commands.

GCS: Motor response score 5

Purposeful localization and movement toward a painful stimulus.

GCS: Motor response score 4

Flexion withdrawal of the extremity away from a painful stimulus.

GCS: Motor response score 3

Abnormal flexion (decorticate posturing) in response to pain.

GCS: Motor response score 2

Abnormal extension (decerebrate posturing) in response to pain.

GCS: Motor response score 1

Complete absence of motor response or movement to painful stimuli.

Critical GCS intubation threshold

A Glasgow Coma Scale score of $8$ or less, indicating severe coma and the urgent necessity for advanced airway protection.

Last-known-well time

The exact confirmed time a client was last observed at their baseline neurological status, dictating eligibility for reperfusion therapies.

Dysphagia swallow screen

A formal bedside evaluation performed by a trained clinician prior to administering any oral fluids, food, or medications to prevent aspiration pneumonia.

Paretic shoulder protection

Supporting the flaccid or weak upper extremity and strictly avoiding pulling on the affected arm to prevent subluxation and joint injury.

Cerebral venous positioning

Aligning the head and neck midline while elevating the head of bed to approximately $30^\circ$ to maximize jugular venous drainage and reduce intracranial pressure.

Ischemic stroke permissive hypertension threshold

The clinical standard to avoid routine blood pressure lowering in non-reperfusion ischemic stroke unless BP exceeds $220/120\text{ mmHg}$.

Pre-alteplase blood pressure limit

The strict clinical requirement that blood pressure must be reduced below $185/110\text{ mmHg}$ prior to initiating IV alteplase therapy.

Post-alteplase blood pressure target

The mandatory maintenance of blood pressure below $180/105\text{ mmHg}$ for at least $24\text{ hours}$ following thrombolysis.

Hemorrhagic stroke blood pressure strategy

Aggressive, active blood pressure reduction to limit continuous bleeding, hematoma expansion, and rebleeding into brain tissue.

Alteplase (tPA)

A recombinant tissue plasminogen activator that catalyzes the conversion of plasminogen to plasmin, lysing fibrin clots in eligible acute ischemic stroke patients.

Alteplase CT contraindication

The presence of acute intracranial hemorrhage on a noncontrast head CT scan, which strictly precludes the use of thrombolysis.

Alteplase blood pressure contraindication

Severe, persistent hypertension exceeding $185/110\text{ mmHg}$ that cannot be lowered below the safety threshold using acute antihypertensives.

Post-thrombolytic invasive restriction

Avoiding unnecessary invasive arterial punctures, central lines, nasogastric tubes, and intramuscular injections following alteplase infusion.

Post-alteplase anticoagulant delay

Withholding all antiplatelet and anticoagulant agents for $24\text{ hours}$ post-thrombolysis until a follow-up CT scan confirms no hemorrhage.

Right hemisphere stroke manifestations

Left-sided hemiplegia, left-sided unilateral spatial neglect, spatial-perceptual disorientation, impulsive behavior, and impaired safety awareness.

Unilateral spatial neglect

A neurological deficit where the client ignores sensory stimuli on the side opposite the cerebral lesion, common in right-hemisphere strokes.

Left hemisphere stroke manifestations

Right-sided hemiplegia, expressive or receptive aphasia, reading, writing, and calculation difficulties, and cautious, hesitant behavior.

Aphasia

An acquired impairment of language comprehension or production resulting from damage to the dominant cerebral hemisphere, usually the left.

Homonymous hemianopsia

The loss of the identical half of the visual field in both eyes, requiring intentional compensatory scanning toward the blind field.

Visual field scanning technique

A rehabilitative strategy instructing clients with hemianopsia to actively turn their head toward the affected side to perceive their entire environment.

Cushing triad

A late, ominous clinical indicator of severe increased ICP and impending brainstem herniation characterized by hypertension with widened pulse pressure, bradycardia, and irregular respirations.

Widened pulse pressure

A progressive increase in the mathematical difference between systolic and diastolic blood pressure, forming part of Cushing triad.

Early indicators of increased ICP

Subtle changes in level of consciousness, restlessness, irritability, progressive headache, nausea, vomiting, and subtle pupillary changes.

Decorticate posturing

Abnormal flexion posturing characterized by adduction and flexion of the arms against the chest with rigid extension and internal rotation of the legs.

Decerebrate posturing

Abnormal extension posturing characterized by rigid extension, adduction, and pronation of the arms with extended legs, reflecting severe brainstem compression.

Valsalva maneuver prevention in ICP

Administering stool softeners and instructing clients to avoid coughing, straining, and forceful breath-holding to prevent spikes in intrathoracic and intracranial pressures.

Cervical spine stabilization in TBI

Maintaining strict immobilization and spinal alignment until the cervical spine is cleared radiographically in all traumatic head injuries.

Battle sign

Bruising or ecchymosis over the mastoid process behind the ear indicating a basilar skull fracture.

Periorbital ecchymosis

Bilateral bruising around the eyes ('raccoon eyes') serving as a clinical manifestation of a basilar skull fracture.

Cerebrospinal fluid (CSF) rhinorrhea

Clear drainage from the nose caused by a dural tear in a basilar skull fracture that must never be plugged or packed.

Cerebrospinal fluid (CSF) otorrhea

Clear drainage from the external auditory canal resulting from a basilar skull fracture involving the temporal bone.

Nasal instrumentation contraindication

The strict prohibition against inserting nasogastric or nasotracheal tubes when a basilar skull fracture is suspected due to intracranial passage risk.

Thunderclap headache

A sudden, excruciating, 'worst-ever' headache characteristic of a ruptured cerebral aneurysm causing subarachnoid hemorrhage.

Nuchal rigidity

Severe neck stiffness and pain with forward flexion resulting from blood irritating the meninges following subarachnoid hemorrhage.

Nimodipine

A calcium channel blocker administered enterally after aneurysmal subarachnoid hemorrhage to reduce the incidence of delayed cerebral ischemia from vasospasm.

Endovascular coiling

A neurovascular procedure deploying detachable platinum coils via microcatheter into an aneurysm dome to induce thrombosis and seal off blood flow.

Surgical clipping

A microsurgical craniotomy procedure placing a metallic clip across the neck of a cerebral aneurysm to isolate it from the circulation.

Aneurysm rebleeding

A life-threatening early complication of an unsecured cerebral aneurysm characterized by sudden clinical deterioration and high mortality.

Phenytoin (Dilantin)

An anticonvulsant medication that stabilizes neuronal membranes by prolonging the inactivation of voltage-gated sodium channels.

Gingival hyperplasia

Fibrous overgrowth of gum tissue associated with chronic phenytoin therapy, managed through meticulous oral hygiene and routine dental care.

Stevens-Johnson syndrome

A life-threatening adverse cutaneous reaction manifested by painful erythematous rash, blistering, and mucosal sloughing, requiring immediate phenytoin cessation.

Phenytoin IV administration rule

Administering IV phenytoin only in compatible saline solutions at controlled rates with continuous cardiac monitoring to prevent severe bradycardia and hypotension.