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NUR 631 Final Exam Questions and Answers Graded A 2025
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Removal of part of the liver leads to the remaining liver cells undergoing compensatory - Correct Ans-Compensatory hyperplasia is an adaptive mechanism that enables certain organs to regenerate. For example, the removal of part of the liver leads to hyperplasia of the remaining liver cells (hepatoc...

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  • 19 de marzo de 2025
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NUR 631 Final Exam



NUR 631 Final Exam Questions and
Answers Graded A 2025
Removal of part of the liver leads to the remaining liver cells undergoing compensatory -
Correct Ans-Compensatory hyperplasia is an adaptive mechanism that enables certain
organs to regenerate. For example, the removal of part of the liver leads to hyperplasia
of the remaining liver cells (hepatocytes) to compensate for the loss.

Which of the following statements best describes Raynaud disease?

a. An inflammatory disorder of small and medium-size arteries in the feet and
sometimes in the hands
b. A neoplastic disorder of the lining of the arteries and veins of the upper extremities
c. A vasospastic disorder of the small arteries and arterioles of the fingers, and less
commonly, the toes
d. An autoimmune disorder of the large arteries and veins of the upper and lower
extremities - Correct Ans-c. A vasospastic disorder of the small arteries and arterioles of
the fingers, and less commonly, the toes

A patient is diagnosed with pulmonary disease and elevated pulmonary vascular
resistance. Which of the following heart failures may result from this condition?
a. Right heart failure
b. Left heart failure
c. Low-output failure
d. High-output failure - Correct Ans-a. Right heart failure
Exp: Right heart failure is defined as the inability of the right ventricle to provide
adequate blood flow into the pulmonary circulation at a normal central venous pressure.
It most often results from the left heart failure when the increase in left ventricular filling
pressure that is reflected back into the pulmonary circulation is severe enough. As
pressure in the pulmonary circulation rises, the resistance to right ventricular emptying
increases.

What physical sign is the result of turbulent blood flow through a vessel?
a. Increased blood pressure during periods of stress
b. Bounding pulse felt on palpation
c. Cyanosis observed on excretion
d. Murmur heard on auscultation - Correct Ans-d. Murmur heard on auscultation
Exp: Where flow is obstructed the vessel turns or blood flows over rough surfaces. The
flow becomes turbulent with whorls or eddy currents that produce noise causing a
murmur to be heard on auscultation such as occurs during blood pressure
measurement with a sphygomanometer. This selection is the only option that accurately
identifies the physical sign of turbulent vascular blood flow. pg 1113

Which congenital heart defects occur in trisomy 13, trisomy 18 and down syndrome?

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,NUR 631 Final Exam


a. Coarctation of the aorta and pulmonary stenosis
b. Tetralogy of Fallot and persistent truncus arteriosus
c. Atrial septal defect and dextrocardia
d. Ventricular septal defect and patent ductus arteriosus - Correct Ans-d. Ventricular
septal defect and patent ductus arteriosus
Exp: Congenital heart defects that are related to dysfunction of trisomy 13, trisomy 18
and down syndrome include VSD and PDA see Table 33-2 The other defects are not
associated with dysfunction of trisomy 13 or 17 and down syndrome. pg 1200

An infant has a continuous machine/type murmur best heard at the left upper sternal
border throughout systole and diastole as well as a bounding pulse and a thrill on
palpation. These clinical findings are consistent with which congenital heart defect?
a. Atrial septal defect
b. Ventricular septal defect
c. Patent ductus arteriosus
d. Atrioventricular canal defect - Correct Ans-c. Patent ductus arteriosus
Exp: If pulmonary vascular resistance has fallen then infants with will characteristically
have a continuous machine/type murmur best heard at the left upper sternal border
throughout systole and diastole. If the PDA is significant then the infant also will have
bounding pulses an active precordium, a thrill on palpation and signs and symptoms of
pulmonary over circulation. The presentations of the other congenital heart defects are
not consistent with the described the symptoms pages 1203-1204

Which compensatory mechanism is spontaneously used by children diagnosed with
tetralogy of Fallot to relieve hypoxic spells?
a. Lying on their left side
b. Performing the valsalva maneuver
c. Squatting
d. hyperventilating - Correct Ans-c. Squatting
Exp: squatting is a spontaneous compensatory mechanism used by older children to
alleviate hypoxic spells. Squatting and its variants increase systemic resistance while
decreasing venous return to the heart from the inferior vena cava. The other options
would not result in these changes. pg 1209

An infant diagnosed with a small patent ductus arteriosus would likely exhibit which
symptom?
a. Intermittent murmur
b. Lack of symptoms
c. Need for surgical repair
d. Triad of congenital defects - Correct Ans-b. Lack of symptoms

Exp: Infants with a small PDA usually remain asymptomatic. page 1203-1204

Fluid in the pleural space characterizes which condition?
a. Pleural effusion
b. Atelectasis

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,NUR 631 Final Exam


c. Bronchiectasis
d. Ischemia - Correct Ans-a. Pleural Effusion
Exp: Pleural effusion is the presence of fluid in the pleural space. page1254

Which medication classification is generally included in the treatment of silicosis?
a. Corticosteroids
b. Antiboitics
c. Bronchodilators
d. Expectorants - Correct Ans-a. Corticosteroids
Exp: No specific treatment exists for silicosis, although corticosteroids may produce
some improvement in the early, more acute stages. page 1259

The risk for respiratory distress syndrome (RDS) decreases for premature infants when
they are born between how many weeks of gestation?

a. 16 and 24
b. 20 and 24
c. 24 and 30
d. 30 and 36 - Correct Ans-d. 30 and 36
Exp: Surfactant is secreted into fetal airways between 30 and 36 weeks. The other
options are not true regarding the timeframe when the risk for RDS decreases. page
1292

What is the chief predisposing factor for respiratory distress syndrome (RDS) of the
newborn?

a. Low birth weight
b. Alcohol consumption during pregnanc
c. Premature birth
d. Smoking during pregnancy - Correct Ans-a. Premature birth
Exp: RDS of the newborn, also known as hyaline membrane disease (HMD), is a major
cause of morbidity and mortality in premature newborns. page 1301

What is the primary cause of respiratory distress syndrome (RDS) of the newborn?

a. Immature immune system
b. Small alveoli
c. Surfactant deficiency
d. Anemia - Correct Ans-c. Surfactant deficiency

Exp: RDS is primarily caused by surfactant deficiency and secondarily by a deficiency in
alveolar surface area for gas exchange. page 1301

What is the primary problem resulting from respiratory distress syndrome (RDS) of the
newborn?



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, NUR 631 Final Exam


a. Consolidation
b. Pulmonary edema
c. Atelectasis
d. Bronchiolar plugging - Correct Ans-c. Atelectasis

Exp: The primary problem is atelectasis, which causes significant hypoxemia and is
difficult for the neonate to overcome because a significant negative inspiratory pressure
is required to open the alveoli with each breath. None of the other options are
considered a primary problem associated with RDS. page 1301

Which statement best describes cystic fibrosis?

a. Obstructive airway disease characterized by reversible airflow obstruction, bronchial
hyperreactivity, and inflammation
b. Respiratory disease characterized by severe hypoxemia, decreased pulmonary
compliance, and diffuse densities on chest X-ray imaging
c. P!ulmonary disorder involving an abnormal expression of a protein-producing viscous
mucus that obstructs the airways, pancreas, sweat ducts, and vas deferens
d. Pulmonary disorder characterized by atelectasis and increased pulmonary
resistance as a result of a surfactant deficiency - Correct Ans-c. Pulmonary disorder
involving an abnormal expression of a protein-producing viscous mucus that obstructs
the airways, pancreas, sweat ducts, and vas deferens

Exp: Cystic fibrosis is best described as a pulmonary disorder involving an abnormal
expression of a protein-producing viscous mucus that obstructs the airways, pancreas,
sweat ducts, and vas deferens. This selection is the only option that accurately
describes cystic fibrosis. pages 1310-1311

Cystic fibrosis is caused by which process?

a. Autosomal recessive inheritance
b. Autosomal dominant inheritance
c. Infection
d. Malignancy - Correct Ans-a. Autosomal recessive inheritance

Exp: Cystic fibrosis is an autosomal recessive inherited disorder that is associated with
defective epithelial ion transport. None of the other options cause cystic fibrosis. page
1310

What are the abnormalities in cytokines found in children with cystic fibrosis (CF)?

a. Deficit of interleukin(IL)-1 and an excess of IL-4, IL-12, and interferon-alpha (IFN-α)
b. Deficit of IL-6 and an excess of IL-2, IL-8 and granulocyte colony-stimulating factor
(G-CSF)
c. Deficit of IL-10 and an excess of IL-1, IL-8 and TNF α



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