1|Page
PNCB CPN EXAM NEWEST 2025 ACTUAL EXAM TEST
BANK| COMPLETE 500 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+| PNCB CPN EXAM
PREP 2025 (BRAND NEW!!)
Molluscum contagiosum is a popular dome-shaped skin lesion that can
occur on many parts of the body and spread by autoinoculation. What is
the causative organism for this skin condition?
A. Human papillomavirus.
B. Poxvirus.
C. Herpes virus.
D. Anaerobic bacteria. - Correct Answer - B: Molluscum contagiosum is
caused by the poxvirus and is usually treated with debridement, liquid
nitrogen, or topical salicylates. This virus often spreads from contact
with someone with eczema or immunocompromised. Once infected, the
lesions may persist for up to 2 years even with treatment.
The prevalence of type 2 diabetes in children is rising, especially among
the African American and Hispanic populations. What is the principle
risk factor for type 2 diabetes?
A. Premature birth.
B. Maternal smoking.
C. Obesity.
D. Asthma - Correct Answer - C: Childhood obesity is the primary risk
factor for type 2 diabetes, and the marked recent increase in this disease
pg. 1
,2|Page
corresponds with the concomitant increase in obesity. Obesity often
correlates with very high carbohydrate diets and poor overall nutrition.
A 15-year-old female has been diagnosed with hyperthyroidism due to
Graves's disease. Which of the following symptoms would NOT likely
be present in this patient?
A. Bradycardia.
B. Insomnia.
C. Heat intolerance.
D. Weight loss. - Correct Answer - A: Tachycardia, not bradycardia is a
common symptom of hyperthyroidism due to increase in circulating
thyroid hormone levels. Insomnia, heat intolerance, and weight loss are
common symptoms. Ophthalmic changes, including bulging of the
eyeball, may also occur.
Pediatric patients are often found to have a decreased potassium level
(hypokalemia). Which of the following is NOT a common reason for
hypokalemia?
A. Diarrhea.
B. Laxative use.
C. Diabetic ketoacidosis.
D. Renal failure - Correct Answer - D: Renal failure causes
hyperkalemia rather than hypokalemia. The hyperkalemia associated
with renal failure often requires medications or dialysis. Diarrhea caused
by infection or use of laxatives and diabetic ketoacidosis may result in
hypokalemia.
pg. 2
,3|Page
A neonate has anorexia, lethargy, vomiting, and seizures. He is thought
to have an inborn error of metabolism with a high ammonia level. Which
of the following is NOT an inborn error of metabolism disease?
A. Arginosuccinate deficiency
B. Ornithine transcarboxylase deficiency
C. Cystic fibrosis
D. HMG-CoA lyase deficiency - Correct Answer - C: Cystic fibrosis is a
disorder of chloride channels in cells and is not an inborn error of
metabolism disorder, arginosuccinate deficiency, ornithine
transcarboxylase deficiency, and HMG-CoA lyase deficiency are inborn
errors of metabolism. Hyperammonemia is common to many diseases
associated with an inborn error of metabolism.
Patients with Turner's syndrome have 45 autosomal chromosomes and
only one X sex chromosome. Which of the following is NOT a common
component of Turner's syndrome?
A. Webbed neck.
B. Male sex organs.
C. Short stature.
D. Broad chest. - Correct Answer - B: With only one X sex chromosome
and no Y, all patients with Turner's syndrome are female, not male, as
males die in utero. Common indications of Turner's syndrome include
webbed neck, short stature, and broad chest. In addition, females often
lack functioning ovaries.
Which of the following common genetic syndromes involves dilation of
the aortic root and possible development of aortic aneurysms?
pg. 3
, 4|Page
A. Trisomy 21.
B. Trisomy 18.
C. Fragile X.
D. Marfan's syndrome. - Correct Answer - D: Patients with Marfan
syndrome have a disorder of connective tissue and can develop dilation
of the aortic root. Marfan's syndrome is characterized by tall stature and
longs limbs and digits. Patients may need treatment with beta blockers
or even synthetic grafting repair if an aneurysm develops.
Which lab test measures the new production of red blood cells by the
body in response to any blood loss?
A. Ferritin level.
B. Mean corpuscular volume.
C. Total iron binding capacity.
D. Reticulocyte count. - Correct Answer - D: The reticulocyte count is a
measure of the production of new red blood cells by the body.
Reticulocytes are immature red blood cells. When red blood cell
production increases to offset blood loss, more reticulocytes are released
into the circulation. An insufficient level may indicate a problem with
the red blood cell producing elements of the body.
Fresh frozen plasma (FFP) is used in the treatment of active bleeding or
to reverse the effects of warfarin. Which of the following clotting factors
does FFP NOT contain?
A. Factor IX.
B. Platelets.
C. Factor V.
pg. 4
PNCB CPN EXAM NEWEST 2025 ACTUAL EXAM TEST
BANK| COMPLETE 500 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+| PNCB CPN EXAM
PREP 2025 (BRAND NEW!!)
Molluscum contagiosum is a popular dome-shaped skin lesion that can
occur on many parts of the body and spread by autoinoculation. What is
the causative organism for this skin condition?
A. Human papillomavirus.
B. Poxvirus.
C. Herpes virus.
D. Anaerobic bacteria. - Correct Answer - B: Molluscum contagiosum is
caused by the poxvirus and is usually treated with debridement, liquid
nitrogen, or topical salicylates. This virus often spreads from contact
with someone with eczema or immunocompromised. Once infected, the
lesions may persist for up to 2 years even with treatment.
The prevalence of type 2 diabetes in children is rising, especially among
the African American and Hispanic populations. What is the principle
risk factor for type 2 diabetes?
A. Premature birth.
B. Maternal smoking.
C. Obesity.
D. Asthma - Correct Answer - C: Childhood obesity is the primary risk
factor for type 2 diabetes, and the marked recent increase in this disease
pg. 1
,2|Page
corresponds with the concomitant increase in obesity. Obesity often
correlates with very high carbohydrate diets and poor overall nutrition.
A 15-year-old female has been diagnosed with hyperthyroidism due to
Graves's disease. Which of the following symptoms would NOT likely
be present in this patient?
A. Bradycardia.
B. Insomnia.
C. Heat intolerance.
D. Weight loss. - Correct Answer - A: Tachycardia, not bradycardia is a
common symptom of hyperthyroidism due to increase in circulating
thyroid hormone levels. Insomnia, heat intolerance, and weight loss are
common symptoms. Ophthalmic changes, including bulging of the
eyeball, may also occur.
Pediatric patients are often found to have a decreased potassium level
(hypokalemia). Which of the following is NOT a common reason for
hypokalemia?
A. Diarrhea.
B. Laxative use.
C. Diabetic ketoacidosis.
D. Renal failure - Correct Answer - D: Renal failure causes
hyperkalemia rather than hypokalemia. The hyperkalemia associated
with renal failure often requires medications or dialysis. Diarrhea caused
by infection or use of laxatives and diabetic ketoacidosis may result in
hypokalemia.
pg. 2
,3|Page
A neonate has anorexia, lethargy, vomiting, and seizures. He is thought
to have an inborn error of metabolism with a high ammonia level. Which
of the following is NOT an inborn error of metabolism disease?
A. Arginosuccinate deficiency
B. Ornithine transcarboxylase deficiency
C. Cystic fibrosis
D. HMG-CoA lyase deficiency - Correct Answer - C: Cystic fibrosis is a
disorder of chloride channels in cells and is not an inborn error of
metabolism disorder, arginosuccinate deficiency, ornithine
transcarboxylase deficiency, and HMG-CoA lyase deficiency are inborn
errors of metabolism. Hyperammonemia is common to many diseases
associated with an inborn error of metabolism.
Patients with Turner's syndrome have 45 autosomal chromosomes and
only one X sex chromosome. Which of the following is NOT a common
component of Turner's syndrome?
A. Webbed neck.
B. Male sex organs.
C. Short stature.
D. Broad chest. - Correct Answer - B: With only one X sex chromosome
and no Y, all patients with Turner's syndrome are female, not male, as
males die in utero. Common indications of Turner's syndrome include
webbed neck, short stature, and broad chest. In addition, females often
lack functioning ovaries.
Which of the following common genetic syndromes involves dilation of
the aortic root and possible development of aortic aneurysms?
pg. 3
, 4|Page
A. Trisomy 21.
B. Trisomy 18.
C. Fragile X.
D. Marfan's syndrome. - Correct Answer - D: Patients with Marfan
syndrome have a disorder of connective tissue and can develop dilation
of the aortic root. Marfan's syndrome is characterized by tall stature and
longs limbs and digits. Patients may need treatment with beta blockers
or even synthetic grafting repair if an aneurysm develops.
Which lab test measures the new production of red blood cells by the
body in response to any blood loss?
A. Ferritin level.
B. Mean corpuscular volume.
C. Total iron binding capacity.
D. Reticulocyte count. - Correct Answer - D: The reticulocyte count is a
measure of the production of new red blood cells by the body.
Reticulocytes are immature red blood cells. When red blood cell
production increases to offset blood loss, more reticulocytes are released
into the circulation. An insufficient level may indicate a problem with
the red blood cell producing elements of the body.
Fresh frozen plasma (FFP) is used in the treatment of active bleeding or
to reverse the effects of warfarin. Which of the following clotting factors
does FFP NOT contain?
A. Factor IX.
B. Platelets.
C. Factor V.
pg. 4
