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NUR 419 PRACTICE EXAM QUESTIONS AND ANSWERS
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NUR 419 PRACTICE EXAM QUESTIONSAND ANSWERS
1. A patient in the ICU has a malignant brain tumor. Based on
knowledge of the cellular units that make up the nervous system, the
nurse understands that which cell type is the least likely to be the origin
of this patient's tumor?
A) Neuron
B) Astrocyte
C) Ependymal cell
D) Oligodendroglia - ANSWER a
2. A patient was involved in a car accident and is in hypovolemic shock,
with severe hypotension. Due to damage to the glossopharyngeal nerve,
the baroreceptor reflex is inhibited in the patient. What effect of this
impaired reflex should the nurse expect to see in this patient?
A) Rapid increase in blood pressure
B) Lack of immediate withdrawal from painful stimuli
C) Lack of compensatory increase in heart rate
D) Continuance of motor activity in the intestines - ANSWER c
3. A patient in the ICU, in addition to his critical illness, suffers from
clinical depression and is receiving medication for it. The nurse
understands that this patient's antidepression medications are most
likely to inhibit the reuptake of which of the following neurotransmitters?
Select all that apply.
A) Acetylcholine
B) Endorphin
C) Enkephalin
D) Serotonin
E) Norepinephrine
F) Substance P - ANSWER d, e
,4. A patient in the ICU is receiving an experimental drug to treat a brain
tumor. The nurse understands that which of the following characteristics
would be important in such a drug? Select all that apply.
A) Protein based
B) Lipid soluble
C) Small molecule
D) Water soluble - ANSWER b, c
5. A patient in the ICU has suffered severe head trauma as the result of
a diving accident. Damage was sustained only in the frontal lobes of the
brain. Which function is most likely to be impaired with this injury?
A) Breathing
B) Maintain steady posture when standing
C) Sneezing
D) Writing with a pen - ANSWER d
6. After having a stroke, an elderly patient is unsteady on his feet and
cannot walk across the room without assistance. The nurse recognizes
that which sensation is most likely impaired in this patient? A) Visceral
B) Proprioceptive
C) Exteroceptive
D) Visual - ANSWER b
7. A neurologist is testing a patient's responsiveness to various stimuli.
He pricks the patient's foot with the point of a safety pin, and the patient
jerks her foot back immediately. The nurse recognizes that the
integrative central nervous system component involved in this reflex is
which of the following?
A) Spinal cord interneuron
B) Medulla oblongata
C) Midbrain
D) Cerebrum - ANSWER a
8. A patient who experienced severe trauma in a multiple car accident
on the freeway explained that he didn't even notice the pain of his
injuries as he was helping his daughters escape from their burning car.
He asked the nurse what kept him from feeling the pain immediately.
What would be the nurse's best response?
,A) The accident occurred when it was cold outside.
B) The patient has fewer nociceptors than normal.
C) The patient has an impaired thalamus.
D) Endogenous opioid peptides blocked transmission of the pain
message to the brain. - ANSWER d
9. A nurse witnesses a patient having a panic attack in the ICU after
learning that he has terminal lung cancer. Recognizing that he is in the
alarm phase of the general adaptation syndrome, what physiological
adaptations should the nurse expect?
A) Drop in blood pressure
B) Release of cortisol
C) A shock state
D) Heart rate drops from its peak but remains elevated - ANSWER b
10. A patient was recently admitted to the ICU with a knife wound to his
chest that punctured his lung following a fight with his brother. He has
undergone surgery and is stable, but is afraid of the possibility of
infection. He will have to miss work for at least 6 weeks while he
recovers. Which stressor will likely have the most long term negative
impact on this patient?
A) His relationship with his brother
B) The pain from his wound
C) The financial hardship of missing 6 weeks of work
D) Fear of infection - ANSWER a
11. A patient is receiving a medication that has difficulty crossing the
blood brain barrier. What type of healthy neuroglia does an intact blood
brain barrier indicate?
A) Microglia
B) Astrocytes
C) Neurons
D) Oligodendroglia - ANSWER b
12. A patient has a disease resulting in a deficit of acetylcholinesterase.
What effects will the patient experience?
A) Increased rapidity of neural transmission
B) Reversed direction of neural transmission
, C) Rapid resetting of postsynaptic membrane receptors
D) Delayed resetting of postsynaptic membrane receptors - ANSWER d
13. A patient has experienced a traumatic and significant loss of
cerebrospinal fluid. To prevent further injury, what is the highest nursing
priority?
A) Institute seizure precautions.
B) Prevent blows to the head.
C) Keep on strict bed rest.
D) Pharmacologic paralysis. - ANSWER b
14. A patient has a ruptured aneurysm on a vessel that joins the circle of
Willis. If this results in significant neurologic deficit, what additional factor
would the nurse expect?
A) Fully patent circle of Willis
B) Additional atrophic vessel on the circle
C) Affected vessel is the internal carotid artery
D) Affected vessel is the basilar artery - ANSWER b
15. A patient has experienced head trauma involving damage to the
thalamus. What behavior does the nurse anticipate?
A) Persistent wakefulness
B) Complete lack of pain perception
C) Disturbance of diurnal rhythms
D) Disturbances in speech formation - ANSWER c
16. After a head injury, a patient has entered a state of persistent coma.
What brainstem network has been injured?
A) Bulboreticular formation
B) Limbic system
C) Sleep centers
D) Reticular activating system (RAS) - ANSWER d
17. A patient has damage to a spinal nerve involving the dorsal root of
the nerve. What effects does the nurse expect?
A) Loss of sensation and motor control
B) Loss of sensation
C) Loss of motor function
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