NR 507 Midterm Exam
, NR 507 Week 4 Midterm Exam
1. Question : What is the final stage of the infectious process?
Colonization
Invasion
Multiplication
Spread
Explanation: From the perspective of the microorganisms that cause disease, the
infectious process undergoes four separate stages of progression: (1)
colonization, (2) invasion, (3) multiplication, and (4) spread.
Question 2. Question : Where in the respiratory tract do the majority of foreign objects
aspirated by children finally lodge?
Trachea
Left lung
Bronchus
Bronchioles
, Explanation: Approximately 75% of aspirated foreign bodies lodge in a bronchus. The
other options are not locations where children aspirate the majority of
foreign objects.
Question 3. Question : What is the primary cause of respiratory distress syndrome (RDS)
of the newborn?
Immature immune system
Small alveoli
Surfactant deficiency
Anemia
Explanation: RDS is primarily caused by surfactant deficiency and secondarily by a
deficiency in alveolar surface area for gas exchange. None of the other
options are related to the cause of RDS.
Question 4. Question : Which statement concerning benign tumors is true?
, The resulting pain is severe.
Benign tumors are not encapsulated.
Benign tumors are fast growing.
The cells are well-differentiated.
Explanation: A benign tumor is well-differentiated with its tissue appearing similar to
the tissue from which it arose. The other options are characteristic of a
malignant tumor.
Question 5. Question : Which compensatory mechanism is spontaneously used by
children diagnosed with tetralogy of Fallot to relieve hypoxic
spells?
Lying on their left side
Performing the Valsalva maneuver
Squatting
Hyperventilating
, NR 507 Week 4 Midterm Exam
1. Question : What is the final stage of the infectious process?
Colonization
Invasion
Multiplication
Spread
Explanation: From the perspective of the microorganisms that cause disease, the
infectious process undergoes four separate stages of progression: (1)
colonization, (2) invasion, (3) multiplication, and (4) spread.
Question 2. Question : Where in the respiratory tract do the majority of foreign objects
aspirated by children finally lodge?
Trachea
Left lung
Bronchus
Bronchioles
, Explanation: Approximately 75% of aspirated foreign bodies lodge in a bronchus. The
other options are not locations where children aspirate the majority of
foreign objects.
Question 3. Question : What is the primary cause of respiratory distress syndrome (RDS)
of the newborn?
Immature immune system
Small alveoli
Surfactant deficiency
Anemia
Explanation: RDS is primarily caused by surfactant deficiency and secondarily by a
deficiency in alveolar surface area for gas exchange. None of the other
options are related to the cause of RDS.
Question 4. Question : Which statement concerning benign tumors is true?
, The resulting pain is severe.
Benign tumors are not encapsulated.
Benign tumors are fast growing.
The cells are well-differentiated.
Explanation: A benign tumor is well-differentiated with its tissue appearing similar to
the tissue from which it arose. The other options are characteristic of a
malignant tumor.
Question 5. Question : Which compensatory mechanism is spontaneously used by
children diagnosed with tetralogy of Fallot to relieve hypoxic
spells?
Lying on their left side
Performing the Valsalva maneuver
Squatting
Hyperventilating
