Question 1

Which primitive reflex, if retained beyond its normal integration age, is most likely to result in hypersensitivity to sensory stimuli and poor coordination and balance?

Accepted Answer

Moro Reflex

Question 2

A child presents with poor manual dexterity, deficits with pencil grip, and poor handwriting. Which retained reflex is most likely responsible for these symptoms?

Accepted Answer

Palmar Grasp Reflex

Question 3

Which reflex is foundational for postural stability and appears in utero, integrating by approximately 3.5 years of age?

Accepted Answer

Tonic Labyrinthine Reflex

Question 4

A patient with decreased balance, poor spatial awareness, and motion sickness may have retained which reflex?

Accepted Answer

Tonic Labyrinthine Reflex

Question 5

Which of the following is a sign of retention of the Asymmetric Tonic Neck Reflex (ATNR)?

Accepted Answer

Poor visual motor skills and tracking

Question 6

Which brain injury is characterized by temporary alteration in function without permanent damage?

Accepted Answer

Concussion

Question 7

A patient suffers a stroke due to blockage of a cerebral artery. Which neurotransmitter acts as an excitotoxin, worsening the condition?

Accepted Answer

Glutamate

Question 8

Which equation best represents the relationship between cerebral blood flow ($$CBF$$), cerebral perfusion pressure ($$CPP$$), and cerebrovascular resistance ($$CVR$$)?

Accepted Answer

$$CBF = \frac{CPP}{CVR}$$

Question 9

Which of the following is a hallmark pathological feature of Alzheimer’s disease?

Accepted Answer

Beta-amyloid plaques and neurofibrillary tangles

Question 10

A patient with wild, jerky 'flapping' movements and marked mental deterioration is most likely suffering from which disorder?

Accepted Answer

Huntington’s disease

Question 11

Which primitive reflex is necessary for postural development and typically integrates by 1 year of age?

Accepted Answer

Landau Reflex

Question 12

Which of the following is NOT a sign of retention of the Symmetric Tonic Neck Reflex (STNR)?

Accepted Answer

Hypersensitivity to light

Question 13

Which of the following is the most appropriate initial treatment for an ischemic stroke?

Accepted Answer

Administration of tissue plasminogen activator (TPA)

Question 14

A patient with abrupt lapses into sleep and loss of muscle tone while awake is most likely suffering from which sleep disorder?

Accepted Answer

Narcolepsy

Question 15

Which equation describes the calculation of cerebral perfusion pressure ($$CPP) $$given mean arterial pressure ($$MAP) $$and intracranial pressure ($$ICP$$)?

Accepted Answer

$$CPP = MAP - ICP$$

Question 16

Which of the following is a common sign of hydrocephalus in infants?

Accepted Answer

Enlarged head due to unfused skull bones

Question 17

A patient with decreased dopamine in the substantia nigra and resting tremor is most likely diagnosed with:

Accepted Answer

Parkinson’s disease

Question 18

Which of the following is a sign of retention of the Tonic Labyrinthine Reflex?

Accepted Answer

Decreased balance and poor spatial awareness

Question 19

Which of the following is a possible consequence of a subdural or subarachnoid hemorrhage?

Accepted Answer

Pressure forcing the brain stem through the foramen magnum

Question 20

A patient with poor posture in standing, poor seated posture, and ape-like position is most likely retaining which reflex?

Accepted Answer

Symmetric Tonic Neck Reflex (STNR)

Nervous System: Reflexes & Disorders – Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard