1. Question :
What is the final stage of the infectious process?
Student
Answer:
Colonization
Invasion
Multiplication
Spread
Instructor
Explanation:
From the perspective of the microorganisms that cause disease
...
1. Question :
What is the final stage of the infectious process?
Student
Answer:
Colonization
Invasion
Multiplication
Spread
Instructor
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.
Points Received: 2 of 2
Comments:
Question 2. Question :
Where in the respiratory tract do the majority of foreign objects
aspirated by children finally lodge?
Student
Answer:
Trachea
Left lung
Bronchus
Bronchioles
Instructor
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.
Points Received: 0 of 2
Comments:
Question 3. Question :
What is the primary cause of respiratory distress syndrome (RDS) of
the newborn?
Student Answer: Immature immune system
Small alveoli
Surfactant deficiency
Anemia
Instructor
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.
Points Received: 2 of 2
Comments:
Question 4. Question :
Which statement concerning benign tumors is true?
Student Answer: The resulting pain is severe.
Benign tumors are not encapsulated.
Benign tumors are fast growing.
The cells are well-differentiated.
Instructor
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.
Points Received: 2 of 2
Comments:
Question 5. Question :
Which compensatory mechanism is spontaneously used by children
diagnosed with tetralogy of Fallot to relieve hypoxic spells?
Student
Answer:
Lying on their left side
Performing the Valsalva maneuver
Squatting
Hyperventilating
Instructor
Explanation:
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.
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