Week 4 : Alterations in Renal Function - Quiz 4


Time Remaining:



Page 2


Question 1.1. What is the ratio of coronary capillaries to cardiac muscle cells? (Points : 2)
1:1 (one capillary per one muscle cell)
1:2 (one capillary per two muscle cells)
1:4 (one capillary per four muscle cells)
1:10 (one capillary per ten muscle cells)


Question 2.2. Which cytokines initiate the production of corticotropin-releasing hormone (CRH)? (Points : 2)
IL–1 and IL-6
IL-2 and TNF-
IFN and IL-12
TNF-ß and IL-4


Question 3.3. Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which microorganisms? (Points : 2)
Bacteria
Fungi
Viruses
Yeasts


Question 4.4. What is the life span of platelets (in days)? (Points : 2)
10
30
90
120


Question 5.5. Which organ is stimulated during the alarm phase of the general adaptation syndrome (GAS)? (Points : 2)
Adrenal cortex
Hypothalamus
Anterior pituitary
Limbic system


Question 6.6. Which hepatitis virus is known to be sexually transmitted? (Points : 2)
A
B
C
D


Question 7.7. The drug heparin acts in hemostasis by which processes? (Points : 2)
Inhibiting thrombin and antithrombin III (AT-III)
Preventing the conversion of prothrombin to thrombin
Shortening the fibrin strands to retract the blood clot
Degrading the fibrin within blood clots


Question 8.8. During an IgE-mediated hypersensitivity reaction, which leukocyte is activated? (Points : 2)
Neutrophils
Monocytes
Eosinophils
T lymphocytes


Question 9.9. The function of the foramen ovale in a fetus allows what to occur? (Points : 2)
Right-to-left blood shunting
Left-to-right blood shunting
Blood flow from the umbilical cord
Blood flow to the lungs


Question 10.10. Erythrocyte life span of less than 120 days, ineffective bone marrow response to erythropoietin, and altered iron metabolism describe the pathophysiologic characteristics of which type of anemia? (Points : 2)
Aplastic
Sideroblastic
Anemia of chronic disease
Iron deficiency


Question 11.11. Infants are most susceptible to significant losses in total body water because of an infant’s: (Points : 2)
High body surface–to–body size ratio
Slow metabolic rate
Kidneys are not mature enough to counter fluid losses
Inability to communicate adequately when he or she is thirsty


Question 12.12. Blood vessels of the kidneys are innervated by the: (Points : 2)
Vagus nerve
Sympathetic nervous system
Somatic nervous system
Parasympathetic nervous system


Question 13.13. Innervation of the bladder and internal urethral sphincter is supplied by which nerves? (Points : 2)
Peripheral nerves
Parasympathetic fibers
Sympathetic nervous system
Tenth thoracic nerve roots


Question 14.14. Where are antibodies produced? (Points : 2)
Helper T lymphocytes
Thymus gland
Plasma cells
Bone marrow


Question 15.15. 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? (Points : 2)
Atrial septal defect (ASD)
Ventricular septal defect (VSD)
Patent ductus arteriosus (PDA)
Atrioventricular canal (AVC) defect


Question 16.16. The coronary ostia are located in the: (Points : 2)
Left ventricle
Aortic valve
Coronary sinus
Aorta


Question 17.17. The Papanicolaou (Pap) test is used to screen for which cancer? (Points : 2)
Ovarian
Uterine
Cervical
Vaginal


Question 18.18. What is the purpose of the spirometry measurement? (Points : 2)
To evaluate the cause of hypoxia
To measure the volume and flow rate during forced expiration
To measures the gas diffusion rate at the alveolocapillary membrane
To determine pH and oxygen and carbon dioxide concentrations


Question 19.19. An individual is more susceptible to infections of mucous membranes when he or she has a seriously low level of which immunoglobulin antibody? (Points : 2)
IgG
IgM
IgA
IgE


Question 20.20. Which statement is true concerning the IgM? (Points : 2)
IgM is the first antibody produced during the initial response to an antigen.
IgM mediates many common allergic responses.
IgM is the most abundant class of immunoglobulins.
IgM is capable of crossing the human placenta.


Question 21.21. Carcinoma in situ is characterized by which changes? (Points : 2)
Cells have broken through the local basement membrane.
Cells have invaded immediate surrounding tissue.
Cells remain localized in the glandular or squamous cells.
Cellular and tissue alterations indicate dysplasia.


Question 22.22. Examination of the throat in a child demonstrating signs and symptoms of acute epiglottitis may contribute to which life-threatening complication? (Points : 2)
Retropharyngeal abscess
Laryngospasms
Rupturing of the tonsils
Gagging induced aspiration


Question 23.23. What is the first stage in the infectious process? (Points : 2)
Invasion
Colonization