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Pediatrics > Infant Reflexes > Flashcards

Infant Reflexes Flashcards

1
Q

Rooting:

What is it? appears? disappears? what kind of reflex?

A
  • Touch mouth to cheek; head and tongue turn toward stimulus
  • appears: birth
  • disappears: 3 mos
  • primitive reflex
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2
Q

Suck/ Swallow:

What is it? appears? disappears? what kind of reflex?

A
  • Sucking coordinated with swallowing-stimulus is to the lips
  • appears: birth
  • disappears: 2-5 mos
  • primitive reflex
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3
Q

Crossed extension:

What is it? appears? disappears? what kind of reflex?

A
  • Noxious stimulus to the sole of one foot (stabilized.) Other leg flexes and then extends.
  • appears: birth
  • disappears: 1-2 mos
  • primitive reflex
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4
Q

Flexor withdrawal:

What is it? appears? disappears? what kind of reflex?

A
  • Noxious stimulus to the sole; hip & knee flex; ankle dorsiflexes
  • appears: birth
  • disappears: 1-2 mos
  • primitive reflex
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5
Q

Traction:

What is it? appears? disappears? what kind of reflex?

A
  • Pull to sit grasping forearms; shoulders, elbows, wrist and fingers flex
  • appears: birth
  • disappears: 2-5 mos
  • primitive reflex
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6
Q

Moro

What is it? appears? disappears? what kind of reflex?

A
  • Head drops with relation to trunk; extension and abduction of arms followed by flexion and adduction
  • appears: birth
  • disappears: 5-6 mos
  • primitive reflex
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7
Q

Startle:

What is it? appears? disappears? what kind of reflex?

A
  • Same as Moro except loud noise is the stimulus
  • appears: birth
  • disappears: 5-6 mos
  • primitive reflex
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8
Q

Galant:

What is it? appears? disappears? what kind of reflex?

A
  • Pressure on lateral spine from 12th rib to iliac crest; incurving of trunk toward side of stimulation
  • appears: birth
  • disappears: 2 mos
  • primitive reflex
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9
Q

Primary standing:

What is it? appears? disappears? what kind of reflex?

A
  • Stand on flat surface; extension of knees and hips (not fully) weight bearing on legs momentarily
  • appears: birth
  • disappears: 2 mos
  • primitive reflex
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10
Q

Stepping

What is it? appears? disappears? what kind of reflex?

A
  • Same as standing but tilt forward baby forward to shift onto balls of feet - heel toe stepping movements with ankle dorsiflexion, toe extension
  • appears: birth
  • disappears: 2 mos
  • primitive reflex
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11
Q

Placing of arms and legs:

What is it? appears? disappears? what kind of reflex?

A
  • Ankle dorsiflexor stimulation – infant lifts foot and puts it on the table; Stimulation to the back of the wrist, places hand on table
  • appears: birth
  • disappears: 2 mos
  • primitive reflex
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12
Q

Plantar grasp:

What is it? appears? disappears? what kind of reflex?

A
  • Press thumb into infant’s foot; toes flex and adduct
  • appears: birth
  • disappears: 9 mos
  • primitive reflex
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13
Q

Palmar grasp:

What is it? appears? disappears? what kind of reflex?

A
  • Press thumb into infants palm; fingers flex and adduct
  • appears: birth
  • disappears: 4-6 mos
  • primitive reflex
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14
Q

Assymetrical Tonic Neck Reflex:

What is it? appears? disappears? what kind of reflex?

A
  • turn baby’s head - Flexion of skull limbs, extension of jaw limbs (head in midline will cause reflex to disappear)
  • appears: birth
  • disappears: 4-6 mos
  • attitudinal reflex or tonic/brainstem reflex
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15
Q

STNR:

What is it? appears? disappears? what kind of reflex?

A
  • Head flexed, flexion of arms, extension of legs; head extended, extension of arms, flexion of legs (cobra pose, beginning of creep)
  • appears: 4-6 mos
  • disappears: 8-12 mos
  • attitudinal reflex or tonic/brainstem reflex
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16
Q

Positive supporting reaction-arms:

What is it? appears? disappears? what kind of reflex?

A
  • In prone, infant bears weight on forearms (3 months) or hands with elbows and wrist extended (6 months)
  • appears: 3 mos
  • disappears: 4-6 mos
  • attitudinal reflex or tonic/brainstem reflex
17
Q

Positive supporting reaction-legs:

What is it? appears? disappears? what kind of reflex?

A
  • Lower child vertically so feet contact surface; child bears weight bilaterally; hips and knees extend-full wt. bearing
  • appears: 6-9 mos
  • disappears: persists
  • attitudinal reflex or tonic/brainstem reflex
18
Q

Optical righting reaction (RR):

What is it? appears? disappears? what kind of reflex?

A
  • Tilt upright infant and infant will right to vertical (uses optical system to keep head in midline)
  • appears: birth-2 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
19
Q

Labrynthine RR on head:

What is it? appears? disappears? what kind of reflex?

A
  • Blindfold (uses vestibular system to keep head in midline) infant-tilt in all directions and infant’s head will return to vertical
  • appears: birth-2 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
20
Q

Neo-neck on body RR:

What is it? appears? disappears? what kind of reflex?

A
  • Rotate head; body moves as a unit (log rolls)
  • appears: birth
  • disappears: 4-5 mos
  • righting reactions - midbrain or cortical reflex
21
Q

Body on head RR:

What is it? appears? disappears? what kind of reflex?

A
  • Infant’s head rights to vertical when placed in prone
  • appears: birth-2 mos
  • disappears: 5 years
  • righting reactions - midbrain or cortical reflex
22
Q

Neo-Body on Body RR:

What is it? appears? disappears? what kind of reflex?

A
  • Rotate lower body; body rolls as a unit
  • appears: birth
  • disappears: 4-5 mos
  • righting reactions - midbrain or cortical reflex
23
Q

Body on Body RR:

What is it? appears? disappears? what kind of reflex?

A
  • Rotate lower body in supine or prone and the body will roll segmentally
  • appears: 4-6 mos
  • disappears: 2-5 years
  • righting reactions - midbrain or cortical reflex
24
Q

Neck on Body RR:

What is it? appears? disappears? what kind of reflex?

A
  • Rotate head in prone or supine and the body rolls segmentally
  • appears: 4-6 mos
  • disappears: 2-5 years
  • righting reactions - midbrain or cortical reflex
25
Q

Landau:

What is it? appears? disappears? what kind of reflex?

A
  • Suspend child prone and spine will extend; scapulae adduct and arms extend and adduct
  • appears: 2-4 mos
  • disappears: 1-2 years
  • righting reactions - midbrain or cortical reflex
26
Q

Protective Extension legs and arms (Parachute reaction):

What is it? appears? disappears? what kind of reflex?

A
  • Thrust child toward a surface-extended arms or extended legs make contact-also can be called a positive supporting reaction
  • appears: 4 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
27
Q

Protective Extension-fwd:

What is it? appears? disappears? what kind of reflex?

A
  • In sitting, push infant forward-arms will go forward and plant for support
  • appears: 6-9 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
28
Q

Protective Extension-sideways:

What is it? appears? disappears? what kind of reflex?

A
  • Push infant sideways and he will catch himself with the arm opposite the side of the push
  • appears: 7-8 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
29
Q

Protective extension-backwards:

What is it? appears? disappears? what kind of reflex?

A
  • Displace child backward and child’s arms extend backwards to catch
  • appears: 9-10 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex
30
Q 
Equilibrium reactions (ER) Prone:
What is it? appears? disappears? what kind of reflex?
A
  • In prone, Tilt child right or left-trunk shows concavity of spine to the up side with up side limbs straightening and abduction
  • appears: 5-6 mos
  • disappears: Mature at 4 years
  • righting reactions - midbrain or cortical reflex
31
Q

ER in Supine:

What is it? appears? disappears? what kind of reflex?

A
  • In supine, tilt child right or left-trunk shows concavity of spine to the up side with up side limbs straightening and abduction
  • appears: 7-8 mos
  • disappears: mature at 4 years
  • righting reactions - midbrain or cortical reflex
32
Q

ER in Sitting:

What is it? appears? disappears? what kind of reflex?

A
  • in sitting tilt child right or left-trunk shows concavity of spine to the up side with up side limbs straightening and abduction; limbs on down side may go into protective extension
  • appears: 7-8 mos
  • disappears: mature at 4 years
  • righting reactions - midbrain or cortical reflex
33
Q

ER on all fours:

What is it? appears? disappears? what kind of reflex?

A
  • on all fours, tilt child right or left-trunk shows concavity of spine to the up side with up side limbs straightening and abduction
  • appears: 9-12 mos
  • disappears: mature at 4 years
  • righting reactions - midbrain or cortical reflex
34
Q

ER standing:

What is it? appears? disappears? what kind of reflex?

A
  • in standing, tilt child right or left-trunk shows concavity of spine to the up side with up side limbs straightening and abduction
  • appears: 12-21 mos
  • disappears: Mature at 4 years
  • righting reactions - midbrain or cortical reflex
35
Q

Protective Staggering:

What is it? appears? disappears? what kind of reflex?

A
  • Displace child’s COG-steps in the direction being pushed
  • appears: 15-18 mos
  • disappears: persists
  • righting reactions - midbrain or cortical reflex

Pediatrics (19 decks)

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