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CPN Study Questions 1-100 exam with complete solutions 2024_2025
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CPN Study Questions 1-100 exam with complete solutions 2024_2025
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CPN Study Questions 1-100 exam withcomplete solutions 2024/2025
A 6-week-old male infant is brought into the ED by his mother. He has a weeklong
history of
progressively worsening emesis that is projectile in nature. What is his most
likely diagnosis?
A. Intussusception.
B. Appendicitis.
C. Pyloric stenosis.
D. Pancreatitis. - ANSWER-C: Projectile vomiting in a 6 week-old male is the
classic presentation for pyloric stenosis,
obstruction of the pyloric sphincter between the gastric pylorus and the small
intestine, caused by
hypertrophy and hyperplasia of the circular muscle of the pylorus, which
obstructs the sphincter.
An 8-year-old male has contracted chicken pox (varicella virus). With which of the
following
family members can the child have contact?
A. 20-year-old aunt on chemotherapy.
B. 35-year-old uncle with HIV.
C. 95-year-old grandfather on long-term steroid therapy.
D. 2-year-old brother who has never had varicella but has had the vaccine -
ANSWER-D: The 2-year-old brother, who has had the vaccine, is likely immune to
varicella, so contact
is safe. All of the other relatives have some form of immunosuppression from
infection (HIV) or
,medications (chemotherapy and steroids) and should avoid contact with the
patient
A 5-year-old girl has a fever, headache, and complaints of a stiff neck. The
physician suspects
bacterial meningitis. What is the best test culture site to detect the bacteria?
A. Lumbar puncture.
B. Clean catch urine.
C. Blood culture.
D. Nasal swab. - ANSWER-A: Lumbar puncture is the method of choice for
detecting the bacteria causing bacterial
meningitis and sending a sample for culture, as meningitis infects the meninges
and bacteria is
present in the cerebrospinal fluid.
A 2-year-old child has severe dental caries in the upper and lower front teeth,
posterior aspects.
What is the most likely cause for this type of caries?
A. Lack of fluoridation in the water.
B. Sleeping with water in a nighttime bottle.
C. Low carbohydrate diet.
D. Sleeping with sugared liquid in nighttime bottle - ANSWER-D: Caries in the
posterior front teeth is a sign of sleeping with sugared drinks in the
nighttime bottle (such as juice) because fluid pools in the mouth when the child
falls to sleep.
***Which of the following patients will likely need surgical correction of his/her
fracture?***
A. 10-year-old with humeral head fracture.
B. 5-year-old with tuft fracture of the distal phalanx.
C. 4-year-old with tuft fracture of the toe.
D. 16-year-old with radial head fracture. - ANSWER-A: Humeral head fractures
usually need open reduction and internal fixation to maintain
proper future functioning. Distal phalanx and toe fractures are treated with splints
and fracture of
the radial head with a sling.
An infant with a chronic respiratory condition should be offered all of the
following vaccines
EXCEPT:
A. Hepatitis A.
,B. Hepatitis B.
C. Hepatitis C.
D. Influenza. - ANSWER-C: A vaccine for Hepatitis C does not currently exist.
Hepatitis A, hepatitis B and influenza
vaccines are all recommended for the infant
A 14-year-old boy with leukemia is receiving an IV infusion of packed red blood
cells. The client
reports that he is feeling anxious and short of breath even though his respiratory
rate is 24.
What should the nurse do in this situation?
A. Give a dose of ibuprofen (Motrin).
B. Give a dose of acetaminophen (Tylenol).
C. Give a dose of diphenhydramine (Benadryl).
D. Stop infusion and notify physician. - ANSWER-D: Anxiety and the sensation of
breathlessness are signs of possible anaphylactic shock, a
reaction to the packed red blood cells, so the nurse should stop the infusion
immediately and notify
the physician.
As part of counseling for a 7-year-old child with mild persistent asthma, the nurse
tells the
client's family that the most reliable indicator of worsening asthma is:
A. Coughing.
B. Fever.
C. Decreased peak flow.
D. Fatigue. - ANSWER-C: A decreased peak flow is the most reliable indicator that
asthma may be worsening. It is
therefore vital that the client's family know what the baseline is so that any
deviation can be quickly
addressed. Coughing and fever may trigger asthma, so peak flows should be
monitored. Fatigue
may result from poor oxygenation but alone it is not a reliable indicator of
worsening asthma.
***A patient is experiencing dizziness, shortness of breath, lightheadedness, and
nausea caused by
encephalitis. Which of the following descriptions most accurately describes the
patient's
condition?***
A. metabolic acidosis
, B. respiratory alkalosis
C. metabolic alkalosis
D. respiratory acidosis - ANSWER-B: Respiratory alkalosis results from
hyperventilation, during which extra CO2 is excreted,
causing a decrease in carbonic acid (H2CO3) concentration in the plasma.
Symptoms include
tachycardia, arrhythmias, lightheadedness, nausea, and vomiting.
10-year-old male with sickle cell disease comes into the ED complaining of pain
in his legs due
to a vaso-occlusive crisis. In addition to IV fluids, what is the other initial
treatment for this
client?
A. Elevate legs.
B. Ace wrap to legs.
C. Nitroglycerine paste.
D. Pain medication. - ANSWER-D: In addition to IV fluids, the other primary initial
treatment for sickle cell crisis resulting
in vascular occlusion is pain medication because pain is often severe. Other
treatments include
oxygen, hydroxyurea (anti-sickling medication), blood transfusions if anemia is
pronounced, and
antibiotics if the crisis was triggered by an infection.
14-year-old male with renal failure is given an arteriovenous fistula (shunt) for
future dialysis.
How does the nurse assess the shunt post-operatively for patency?
A. Assess for bruit and thrill.
B. Monitor blood pressure on that arm.
C. Ease of venipuncture at shunt site.
D. Rate of flow during dialysis. - ANSWER-A: The patency of an AV shunt is
assured by assessing for bruit and thrill. Continuous wave
Doppler ultrasound can also assess patency. Venipuncture and blood pressure
measurements
should never be done on the arm with an AV shunt.
nurse is admitting a 16-year-old female to the mental health unit with a diagnosis
of bulimia
and anorexia. What OTC medications should the client's belongings be screened
for as they may
interfere with treatment?
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