,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 5. Which cytokines initiate the production of corticotropin-releasing hormone (CRH)?
IL–D1 and IL-6
IL-2 and TNF-a
IFN and IL-12
TNF-ß and IL-4
Question 6. What process allows the kidney to respond to an increase in workload?
Glomerular filtration
Secretion of 1,25-dihydroxyvitamin D3
Increased heart rate
Compensatory hypertrophy
Question 7. Which type of antibody is involved in type I hypersensitivity reaction?
IgA
IgE
IgG
IgM
Question 8. Causes of hyperkalemia include:
Hyperparathyroidism and malnutrition
, Vomiting and diarrhea
Renal failure and Addison disease
Hyperaldosteronism and Cushing disease
Question 9. What is the first stage in the infectious process?
Invasion
Colonization
Spread
Multiplication
Question 10. Which statement is true concerning the IgM?
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 11. 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?
Atrial septal defect (ASD)
Ventricular septal defect (VSD)
Patent ductus arteriosus (PDA)
Atrioventricular canal (AVC) defect