HBY 531 Organ Systems
Mid-Term Lab Examination
2000
Instructions: For each of the following, choose the single
best response. Record your responses on the
Opscan Sheet using a #2 pencil.
1. The tip of the arrow is in the lumen of a structure best
described as: (B)
a. a metarteriole
b. an arteriole
c. a venule
d. a lymphatic vessel
e. none of the above
2. The region indicated by the arrow is best described as: (D)
a. the outer medulla of the kidney
b. the inner medulla of the kidney
c. the cortical labyrinth of the
kidney
d. a medullary ray of the kidney
e. a renal column of the kidney
3. The tip of the arrow is in the lumen of a structure best
described as: (C)
a. a distal tubule
b. a proximal tubule
c. a thick ascending limb of the loop
of Henle
d. a thick descending limb of the
loop of Henle
e. a collecting duct
4. This tissue section is taken from which of the following? (A)
a. the larynx
b. the heart
c. the kidney
d. the lung
e. the trachea
5. The structure (layer) indicated by the arrow is best described
as: (B)
a. the vocal ligament
b. the lamina propria
c. the submucosa
d. the endocardium
e. none of the above
6. The structure (layer) indicated by the arrow is best described
as: (C)
a. the adventitia
b. the endocardium
c. the epicardium
d. the cortex
e. none of the above
7. The cell type indicated by the tip of the arrow is best
described as: (D)
a. a preganglionic sympathetic motor
neuron
b. a postganglionic sympathetic motor
neuron
c. a preganglionic parasympathetic
motor neuron
d. a postganglionic parasympathetic
motor neuron
e. none of the above
8. The tip of the arrow is in the lumen of a structure best
described as: (C)
a. the larynx
b. the trachea
c. a bronchus
d. a terminal bronchiole
e. a respiratory bronchiole
9. The tone of the cell type indicated by the tip of the arrow
will: (D)
a. increase by action of histamine on
H2 receptors.
b. decrease by action of histamine on
H1 receptors
c. increase by action of a b agonist on b2 receptors.
d. increase as a result of
phosphorylation of myosin light chain kinase.
e. All of the above
10. The tip of the arrow is in a space best described as: (E)
a. the lumen of a peritubular
capillary
b. the lumen of a glomerular
capillary
c. the lumen of a vasa recta
d. the renal papilla
e. none of the above
11. The tip of the arrow is in a space best described as: (E)
a. the lumen of a peritubular
capillary
b. the lumen of a glomerular
capillary
c. the lumen of a vasa recta
d. the lumen of an interlobular
artery
e. none of the above
12. The structure (layer) indicated by the arrow is best described
as: (A)
a. the tunica media
b. the tunica adventitia
c. the tunica muscularis
d. the myocardium
e. none of the above
13. The cell type indicated by the tip of the arrow is best
described as: (C)
a. a vascular smooth muscle cell
b. a working cardiac myocyte
c. a Purkinje cell
d. a fibroblast
e. none of the above
14. The tip of the arrow is in the lumen of a structure best
described as: (E)
a. a lymphatic vessel
b. a metarteriole
c. a muscular artery
d. a vasa vasorum
e. none of the above
15. The tissue type surrounding the tip of the arrow is best
described as: (E)
a. smooth muscle
b. nervous tissue
c. cardiac muscle
d. dense irregular fibroelastic
connective tissue (FECT)
e. dense regular fibroelastic
connective tissue (FECT)
16. The structure (layer) indicated by the tip of the arrow is
best described as: (B)
a. the tunica adventitia
b. the endocardium of the ventricle
c. the endocardium of the atrium
d. the epicardium of the ventricle
e. none of the above
17. The region surrounding the tip of the arrow is best described
as: (C)
a. the cortical labyrinth of the
kidney
b. a medullary ray of the kidney
c. the outer medulla of the kidney
d. the inner medulla of the kidney
e. none of the above
18. An increase in circulating levels of atrial natriuretic
hormone (ANH also known as ANP) will __________________ Na+ reabsorption in the
cell type indicated by the tip of the arrow. (C)
a. increase
b. not affect
c. decrease
19. The structure seen in the field is best described as: (B)
a. a parasympathetic ganglion
b. a sympathetic ganglion
c. a dorsal root (spinal) ganglion
d. a myenteric plexus
e. none of the above
20. The tip of the arrow is in the lumen of a structure best
described as: (E)
a. an arteriole
b. a metarteriole
c. a venule
d. a medium-sized vein
e. a lymphatic vessel
21. The tip of the arrow is in the lumen of a structure best
described as: (B)
a. a large vein
b. an elastic artery
c. a muscular artery
d. the coronary sinus
e. the membranous interventricular
(IV) septum
22. The structure indicated by the tip of the arrow is best
described as: (B)
a. a valve of a large vein
b. an atrioventricular (AV) valve
cusp
c. a semilunar valve cusp
d. a chordae tendinae
e. a papillary muscle
23. The tissue type surrounding the arrow is best described as:
(E)
a. the epiglottis
b. the vocal ligament
c. the vocalis muscle
d. hyaline cartilage
e. elastic cartilage
24. 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
25. The tip of the arrow is in the lumen of a structure best
described as: (E)
a. a vasa recta
b. a glomerular arteriole
c. an interlobar artery
d. an interlobar vein
e. an arcuate artery
26. The tip of the arrow is in the lumen of a structure best
described as: (B)
a. an arteriole
b. a venule
c. a lymphatic vessel
d. a metarteriole
e. none of the above
27. Application of norepinephrine to the cell type indicated by
the tip of the arrow will _______________ the slope of Phase 4 of the action potential of
this cell. (B)
a. increase
b. not affect
c. decrease
28. The tip of the arrow is in the lumen of a structure best
described as: (C)
a. a segmental bronchus
b. a terminal bronchiole
c. a respiratory bronchiole
d. an alveolar sac
e. an alveolus
29. 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. a fibroblast
30. The tissue type indicated by the arrow is best described as:
(D)
a. stratified squamous epithelium
b. stratified columnar epithelium
c. pseudostratified columnar
epithelium
d. transitional epithelium
e. none of the above
31. The region indicated by the arrow is best described as: (B)
a. the membranous interventricular
(IV) septum
b. the annulus fibrosis
c. the sinoatrial (SA) node
d. the atrioventricular (AV) node
e. none of the above
32. The structure (layer) indicated by the tip of the arrow is
best described as: (C)
a. the epicardium
b. the tunica media
c. the endocardium
d. the tunica intima
e. none of the above
33. This tissue section is taken from: (B)
a. the larynx
b. the trachea
c. a bronchus
d. a terminal bronchiole
e. none of the above
34. The tip of the arrow is in the lumen of a structure best
described as: (B)
a. an elastic artery
b. a large vein
c. a medium-sized vein
d. a muscular artery
e. a lymphatic vessel
35. This tissue section is taken from: (A)
a. the ureter
b. the bladder
c. the coronary sinus
d. an elastic artery
e. a muscular artery