NU 650
Final Comprehensive Set | Practice Questions, Answers &
Detailed Rationales | Regis Nursing Exam Prep
Resource Features
➢ NU 650 final-exam study guide
➢ Practice questions
➢ Detailed answers
➢ Complete solution explanations
➢ Comprehensive rationales
, NU 650 Final Comprehensive Set | Practice
Questions, Answers & Detailed Rationales | Regis
Nursing Exam Prep
Question 1
You place a quarter in your client's hand and ask him to identify it without
looking. You are testing which discriminative sensation?
• A) Graphesthesia
• B) Stereognosis
• C) Two-point discrimination
• D) Extinction
Correct Answer: B
Rationale: Stereognosis is the ability to identify an object by touch without
visual input. It tests the sensory cortex's ability to interpret tactile
information. Graphesthesia is the ability to recognize numbers/letters
drawn on the skin. Two-point discrimination tests the ability to distinguish
two simultaneous stimuli, and extinction tests the ability to perceive
simultaneous bilateral stimulation.
Question 2
,Which of the following neurological tests assess the sensory system?
• A) Rapid alternating movements
• B) Heel-to-shin test
• C) Vibration and position
• D) Romberg test
Correct Answer: C
Rationale: Vibration and position sense (proprioception) are sensory
system assessments that test the posterior column-medial lemniscus
pathway. Rapid alternating movements and heel-to-shin test assess
coordination (cerebellar function). Romberg test assesses balance and
proprioception but is primarily a cerebellar and vestibular test.
Question 3
When you ask a 68-year-old patient to stand with his feet together and
arms at his sides with eyes closed, he starts to sway and moves his feet
further apart and stumbles. You would document this as:
• A) Negative Romberg's sign
• B) Positive Romberg's sign
• C) Cerebellar ataxia
• D) Positive pronator drift
Correct Answer: B
, Rationale: A positive Romberg's sign occurs when the patient sways, loses
balance, or widens their base of support with eyes closed. This indicates a
loss of proprioception (dorsal column dysfunction). If the patient is
unsteady with eyes open and closed, it suggests cerebellar dysfunction. A
negative test means the patient can maintain balance with eyes closed.
Question 4
Which of the following responses would the NP recognize as worrisome?
• A) Plantar flexion of the great toe when eliciting a plantar response
• B) Dorsiflexion of the great toe when eliciting a plantar response
• C) Withdrawal of the foot when eliciting a plantar response
• D) Flexion of all toes when eliciting a plantar response
Correct Answer: B
Rationale: Dorsiflexion of the great toe (Babinski sign or positive plantar
response) is abnormal in adults and indicates upper motor neuron
dysfunction (corticospinal tract lesion). Normal response is plantar flexion
of all toes. A positive Babinski sign suggests conditions such as stroke,
multiple sclerosis, or spinal cord injury.
Question 5
Final Comprehensive Set | Practice Questions, Answers &
Detailed Rationales | Regis Nursing Exam Prep
Resource Features
➢ NU 650 final-exam study guide
➢ Practice questions
➢ Detailed answers
➢ Complete solution explanations
➢ Comprehensive rationales
, NU 650 Final Comprehensive Set | Practice
Questions, Answers & Detailed Rationales | Regis
Nursing Exam Prep
Question 1
You place a quarter in your client's hand and ask him to identify it without
looking. You are testing which discriminative sensation?
• A) Graphesthesia
• B) Stereognosis
• C) Two-point discrimination
• D) Extinction
Correct Answer: B
Rationale: Stereognosis is the ability to identify an object by touch without
visual input. It tests the sensory cortex's ability to interpret tactile
information. Graphesthesia is the ability to recognize numbers/letters
drawn on the skin. Two-point discrimination tests the ability to distinguish
two simultaneous stimuli, and extinction tests the ability to perceive
simultaneous bilateral stimulation.
Question 2
,Which of the following neurological tests assess the sensory system?
• A) Rapid alternating movements
• B) Heel-to-shin test
• C) Vibration and position
• D) Romberg test
Correct Answer: C
Rationale: Vibration and position sense (proprioception) are sensory
system assessments that test the posterior column-medial lemniscus
pathway. Rapid alternating movements and heel-to-shin test assess
coordination (cerebellar function). Romberg test assesses balance and
proprioception but is primarily a cerebellar and vestibular test.
Question 3
When you ask a 68-year-old patient to stand with his feet together and
arms at his sides with eyes closed, he starts to sway and moves his feet
further apart and stumbles. You would document this as:
• A) Negative Romberg's sign
• B) Positive Romberg's sign
• C) Cerebellar ataxia
• D) Positive pronator drift
Correct Answer: B
, Rationale: A positive Romberg's sign occurs when the patient sways, loses
balance, or widens their base of support with eyes closed. This indicates a
loss of proprioception (dorsal column dysfunction). If the patient is
unsteady with eyes open and closed, it suggests cerebellar dysfunction. A
negative test means the patient can maintain balance with eyes closed.
Question 4
Which of the following responses would the NP recognize as worrisome?
• A) Plantar flexion of the great toe when eliciting a plantar response
• B) Dorsiflexion of the great toe when eliciting a plantar response
• C) Withdrawal of the foot when eliciting a plantar response
• D) Flexion of all toes when eliciting a plantar response
Correct Answer: B
Rationale: Dorsiflexion of the great toe (Babinski sign or positive plantar
response) is abnormal in adults and indicates upper motor neuron
dysfunction (corticospinal tract lesion). Normal response is plantar flexion
of all toes. A positive Babinski sign suggests conditions such as stroke,
multiple sclerosis, or spinal cord injury.
Question 5
