NR 507 MIDTERM EXAM WEEK 4 SET 2 – QUESTION
AND ANSWERS
1. What is the final stage of the infectious process?
Spread
2. Where in the respiratory
... [Show More] tract do the majority of foreign objects aspirated by children
finally lodge?
Bronchus
3. What is the primary cause of respiratory distress syndrome (RDS) of the newborn?
Surfactant deficiency
4. Which statement concerning benign tumors is true?
The cells are well-differentiated.
5. Which compensatory mechanism is spontaneously used by children diagnosed with
tetralogy of Fallot to relieve hypoxic spells?
Squatting
6. Which cytokines initiate the production of corticotropin-releasing hormone (CRH)?
IL–1 and IL-6
7. Hemolytic disease of the newborn (HDN) can occur if the mother:
Is Rh-positive and the fetus is Rh-negative
8. Decreased lung compliance means that the lungs are demonstrating which characteristic?
Stiffness
9. Which statement concerning exotoxins is true?
Exotoxins are released during bacterial growth.
10. What is the ratio of coronary capillaries to cardiac muscle cells?
1:1 (one capillary per one muscle cell)
11. How high does the plasma glucose have to be before the threshold for glucose is
achieved?
180 mgdl
12. What is the chief predisposing factor for respiratory distress syndrome (RDS) of the
newborn?
Premature birth
13. Perceived stress elicits an emotional, anticipatory response that begins where?
Limbic system
14. Causes of hyperkalemia include:
Renal failure and Addison disease
15. Between which months of age does sudden infant death syndrome (SIDS) most often
occur?
0 and 1
16. What is the fundamental physiologic manifestation of anemia?
Hypoxia
17. What is the life span of platelets (in days)?
10
18. What part of the kidney controls renal blood flow, glomerular filtration, and renin
secretion?
Juxtaglomerular apparatus (JGA)
19. An infant has a loud, harsh, holosystolic murmur and systolic thrill that can be detected at
the left lower sternal border that radiates to the neck. These clinical findings are
consistent with which congenital heart defect?
Ventricular septal defect (VSD)
20. The coronary ostia are located in the:
Aortic valve
21. The only surface inside the nephron where cells are covered with microvilli to increase
the reabsorptive surface area is called the:
Proximal convoluted tubules
22. The drug heparin acts in hemostasis by which processes?
Inhibiting thrombin and antithrombin III (AT-III)
23. Which immunoglobulin (Ig) is present in childhood asthma?
IgE
24. Immunoglobulin E (IgE) is associated with which type of hypersensitivity reaction? I
25. Which organ is stimulated during the alarm phase of the general adaptation syndrome
(GAS)?
Hypothalamus
26. Which congenital heart defects occur in trisomy 13, trisomy 18, and Down syndrome?
Tetralogy of Fallot and persistent truncus arteriosus Atrial septal defect (ASD)
27. What substance stimulates renal hydroxylation in the process of producing vitamin D?
Parathyroid hormone [Show Less]