HBY 531 Organ Systems
Mid-Term Lab Examination
1999
Instructions: For each of the following, choose the single best response. Record your responses on the Opscan Sheet using a #2 pencil.
1. The predominant tissue type visible in the field is best described as: (E)
a. the myocardium
b. the tunica media
c. the tunica adventitia
d. smooth muscle
e. cardiac muscle
2. The tip of the arrow is in the lumen of a structure best described as: (D)
a. an arteriole
b. a metarteriole
c. a postcapillary venule
d. a venule
e. a lymphatic vessel
3. The predominant tissue type visible in the field is best described as: (E)
a. hyaline cartilage
b. exocrine glands
c. dense irregular FECT
d. dense regular FECT
e. none of the above
4. This tissue section is taken from which of the following? (B)
a. the nasopharynx
b. the epiglottis
c. the trachea
d. a primary bronchus
e. a segmental bronchus
5. The tip of the arrow is in a space best described as: (B)
a. the lumen of a peritubular capillary
b. the lumen of a glomerular capillary
c. the space of Bowman's capsule
d. the lumen of a capillary of the vasa recta
e. the lumen of an afferent glomerular arteriole
6. The tip of the arrow is in the lumen of: (C)
a. an interlobar artery
b. an arcuate artery
c. an interlobular artery
d. an afferent glomerular artery
e. an efferent glomerular artery
7. Moving to a different region, the tip of the arrow is in the lumen of: (A)
a. a thick ascending limb of the loop of Henle
b. a thick descending limb of the loop of Henle
c. a collecting duct
d. a peritubular capillary
e. none of the above
8. The arrow is in the lumen of a vessel best described as: (A)
a. an elastic artery
b. a muscular artery
c. an arteriole
d. a large vein
e. a medium-sized vein
9. The predominant cell type in this region is best described as: (D)
a. smooth muscle cells
b. endothelial cells
c. mesothelial cells
d. fibroblasts
e. cardiac muscle cells
10. The structure (layer) indicated by the arrow is best described as: (E)
a. the atrioventricular (AV) sulcus
b. the membranous interventricular (IV) septum
c. the coronary sinus
d. the anulus fibrosus
e. none of the above
11. With regard to the cell type indicated by the tip of the arrow, the maximum diastolic potential of this cell will __________ after treatment with acetylcholine. (A)
a. become more negative
b. remain unchanged
c. become more positive
12. The tip of the arrow is in the lumen of: (B)
a. a segmental bronchus
b. a terminal bronchiole
c. a respiratory bronchiole
d. an alveolar duct
e. none of the above
13. The cell type indicated by the tip of the arrow is best described as: (B)
a. a Type I pneumocyte
b. a Type II pneumocyte
c. an alveolar macrophage
d. an endothelial cell
e. none of the above
14. The tip of the arrow is indicating a structure (layer) best described as: (E)
a. the tunica adventitia
b. the tunica media
c. the lamina propria
d. the submucosa
e. none of the above
15. The cell type represented by these nuclei is best described as: (A)
a. macula densa cells
b. juxtaglomerular (JG) cells
c. extraglomerular mesangial cells
d. proximal tubule cells
e. endothelial cells
16. The tip of the arrow is within the lumen of a structure. Compared to normal, the amount of sodium moved out of this lumen will __________ in response to an increase in plasma angiotensin II levels. (A)
a. increase
b. remain unchanged
c. decrease
17. The region indicated by the arrow is best described as the: (D)
a. Bundle of His
b. anulus fibrosus
c. coronary sinus
d. atrioventricular (AV) node
e. none of the above
18. This tissue section is taken from a region best described as the: (C)
a. atrioventricular sulcus
b. muscular interventricular septum
c. interatrial septum
d. conus arteriosus
e. none of the above
19. The cell type indicated by the arrow is best described as: (B)
a. myoepithelial cells
b. serous acinar cells
c. mucous acinar cells
d. a plasma cells
e. none of the above
20. The arrow is indicating a structure (layer) best described as: (E)
a. a perineurium
b. the lamina propria
c. the trachealis muscle
d. the tunica muscularis
e. none of the above
21. The arrow is indicating a structure best described as: (C)
a. a lymphatic vessel
b. a nervi vasorum
c. a vasa vasorum
d. an elastic lamina
e. none of the above
22. The tip of the arrow is in the lumen of: (E)
a. a muscular artery
b. an arteriole
c. a metarteriole
d. a venule
e. none of the above
23. The structure seen in the field is best described as: (C)
a. a parasympathetic ganglion
b. a sympathetic ganglion
c. a dorsal root (spinal) ganglion
d. the Dorsal Nucleus of Clark
e. none of the above
24. The tip of the arrow is in the lumen of: (B)
a. a muscular artery
b. the ureter
c. the bladder
d. a terminal bronchiole
e. a segmental bronchus
25. The tissue type indicated by the tip of the arrow is best described as: (C)
a. dense regular FECT
b. dense irregular FECT
c. smooth muscle
d. cardiac muscle
e. nerve
26. The tip of the arrow indicates a structure best described as: (E)
a. a pectinate muscle
b. a papillary muscle
c. a trabecular muscle
d. the fibrous trigone
e. none of the above
27. This tissue section is taken from: (C)
a. the larynx
b. the trachea
c. a bronchus
d. a terminal bronchiole
e. none of the above
28. With regard to the cell type indicated by the tip of the arrow, parasympathetic stimulation of this cell in the presence of a b 2 antagonist will result in __________ in the intracellular Ca2+ concentration. (A)
a. increases
b. no change
c. decreases
29. The tip of the arrow is in the lumen of: (A)
a. a large vein
b. a medium sized vein
c. a venule
d. an elastic artery
e. a muscular artery
30. The tip of the arrow is in the lumen of: (D)
a. a thick ascending limb of the loop of Henle
b. a thick descending limb of the loop of Henle
c. a thin limb of the loop of Henle
d. a collecting duct
e. a vasa recta
31. This region is best described as: (D)
a. the cortical labyrinth
b. a medullary ray
c. the renal sinus
d. a renal papilla
e. none of the above
32. The tissue type at the tip of the arrow is: (E)
a. dense irregular FECT
b. pseudostratified columnar epithelium
c. stratified squamous epithelium
d. smooth muscle
e. none of the above
33. The tip of the arrow is indicating a structure best described as: (B)
a. a pectinate muscle
b. the anulus fibrosus
c. the membranous interventricular septum
d. the Bundle of His
e. none of the above
34. This tissue section is taken from the: (D)
a. heart
b. lungs
c. trachea
d. larynx
e. bladder
35. The structure indicated by the tip of the arrow is best described as: (C)
a. the vocal ligament
b. the true vocal fold
c. the vocalis muscle
d. the ventricle of the larynx
e. the thyroid cartilage