Neurological Reflexes
Exam |NUR|-NR509
WITH VERIFIED
ANSWERS AND
RATIONALES 98%
CORRECT SCORE,
GRADEDA+.
,1. Which cranial nerve is primarily
tested when assessing the pupillary
light reflex?
Answer: Cranial nerve II (optic nerve) for
sensory input and Cranial nerve III
(oculomotor nerve) for motor response.
Rationale: The optic nerve detects the
light stimulus, while the oculomotor
nerve constricts the pupil through
parasympathetic fibers.
2. A normal deep tendon reflex (DTR)
grade is documented as:
Answer: 2+
,Rationale: Reflexes are graded from 0 to
4+, with 2+ considered normal and
average.
3. Absence of a reflex is documented as:
Answer: 0
Rationale: A grade of 0 indicates no
response, which may suggest lower
motor neuron disease or peripheral
neuropathy.
4. A hyperactive reflex without clonus is
graded as:
Answer: 3+
, Rationale: A 3+ reflex indicates brisker
than average reflexes and may or may
not indicate disease.
5. Sustained clonus is graded as:
Answer: 4+
Rationale: Clonus is repetitive muscle
contraction and strongly suggests upper
motor neuron pathology.
6. The biceps reflex primarily tests
which spinal nerve roots?
Answer: C5 and C6
Exam |NUR|-NR509
WITH VERIFIED
ANSWERS AND
RATIONALES 98%
CORRECT SCORE,
GRADEDA+.
,1. Which cranial nerve is primarily
tested when assessing the pupillary
light reflex?
Answer: Cranial nerve II (optic nerve) for
sensory input and Cranial nerve III
(oculomotor nerve) for motor response.
Rationale: The optic nerve detects the
light stimulus, while the oculomotor
nerve constricts the pupil through
parasympathetic fibers.
2. A normal deep tendon reflex (DTR)
grade is documented as:
Answer: 2+
,Rationale: Reflexes are graded from 0 to
4+, with 2+ considered normal and
average.
3. Absence of a reflex is documented as:
Answer: 0
Rationale: A grade of 0 indicates no
response, which may suggest lower
motor neuron disease or peripheral
neuropathy.
4. A hyperactive reflex without clonus is
graded as:
Answer: 3+
, Rationale: A 3+ reflex indicates brisker
than average reflexes and may or may
not indicate disease.
5. Sustained clonus is graded as:
Answer: 4+
Rationale: Clonus is repetitive muscle
contraction and strongly suggests upper
motor neuron pathology.
6. The biceps reflex primarily tests
which spinal nerve roots?
Answer: C5 and C6
