HBY 531 Medical
Physiology
Lab Examination
2
2001
1.
The region in the field is best described as: (C)
a.
a primary lung lobule.
b.
the ventricle of the larynx.
c.
the cortical labyrinth of the kidney.
d.
a medullary ray of the kidney.
e.
the outer medulla of the kidney.
2.
The tip of the arrow is in a structure best described as: (C)
a.
a terminal bronchiole.
b.
an interlobular artery.
c.
an interlobular vein.
d.
an arcuate artery.
e.
none of the above.
3.
The region in the field is best described as: (D)
a.
the tunica media.
b.
the tunica muscularis.
c.
the endocardium.
d.
the myocardium.
e.
none of the above.
4.
The tip of the arrow is in a structure best described as: (E: This was a
venule)
a.
an arteriole.
b.
a nerve.
c.
a postcapillary venule.
d.
a lymphatic vessel.
e.
none of the above.
5.
This tissue section is taken from which of the following? (A)
a.
The trachea
b.
A bronchus
c.
The epiglottis
d.
The heart
e.
None of the above
6.
The structure (layer) indicated by the tip of the arrow is best described
as: (E: this was the perichondrium)
a.
the submucosa.
b.
the lamina propria.
c.
the trachealis muscle.
d.
the vocalis muscle.
e.
none of the above.
7.
The structure (layer) indicated by the arrow is best described as: (C)
a.
the membranous interventricular (IV) septum.
b.
the interatrial septum.
c.
the epicardium.
d.
the endocardium.
e.
none of the above.
8.
Topical application of propranolol (a b
blocker) to the cell type indicated by the tip of the arrow will _______________
the magnitude of the outward K+ current. (C)
a.
increase
b.
not change
c.
decrease
9.
The arrow is in the lumen of a structure best described as: (A)
a.
an elastic artery.
b.
a muscular artery.
c.
an arteriole.
d.
a venule.
e.
a large vein.
10.
What is the name of the cell type indicated by the tip of the arrow? (A)
a.
Smooth muscle cells
b.
Fibroblasts
c.
Working cardiac myocytes
d.
Conducting cells of the heart
e.
None of the above
11.
The structure (layer) indicated by the tip of the arrow is best described
as: (B)
a.
the epicardium of the ventricle.
b.
the endocardium of a ventricle.
c.
the epicardium of an atrium.
d.
the endocardium of an atrium.
e.
none of the above.
12.
The structure indicated by the tip of the arrow is best described as: (E:
this was a chordae tendinae)
a.
an atrioventricular valve cusp.
b.
a papillary muscle.
c.
a pectinate muscle.
d.
a trabecular muscle.
e.
none of the above.
13.
The tip of the arrow is in a structure best described as: (C)
a.
a vasa recta.
b.
a collecting duct.
c.
a thick ascending limb of the loop of Henle.
d.
a thick descending limb of the loop of Henle.
e.
a proximal tubule.
14.
The term that best describes the cells indicated by the tip of the arrow
is: (E: this was a macula densa which is not the same as juxtaglomerular
apparatus.)
a.
the extraglomerular mesangium.
b.
the juxtaglomerular apparatus.
c.
the parietal layer of Bowman’s capsule.
d.
the visceral layer of Bowman’s capsule.
e.
none of the above.
15.
This tissue section is taken from the: (E)
a.
heart.
b.
lungs.
c.
kidneys.
d.
trachea.
e.
larynx.
16.
The tissue type surrounding the tip of the arrow is best characterized
as: (B)
a.
cardiac muscle.
b.
skeletal muscle.
c.
dense irregular FECT.
d.
dense regular FECT.
e.
none of the above.
17.
The structure indicated by the tip of the arrow is best described as the:
(A)
a.
Bundle of His.
b.
atrioventricular (AV) node.
c.
sinoatrial (SA) node.
d.
annulus fibrosus.
e.
conus arteriosus.
18.
The structure indicated by the tip of the arrow is best described as: (B)
a.
the membranous interventricular (IV) septum.
b.
the muscular IV septum.
c.
the interatrial septum.
d.
the outside wall of the left ventricle.
e.
the outside wall of the right ventricle.
19.
The tip of the arrow is in the lumen of: (E: this was a lymphatic vessel)
a.
a muscular artery.
b.
an arteriole.
c.
a venule.
d.
a medium-sized vein.
e.
none of the above.
20.
This tissue section is taken from: (C)
a.
a primary bronchus.
b.
the trachea.
c.
the epiglottis.
d.
the true vocal cord.
e.
the false vocal cord.
21.
The tip of the arrow is in a structure best described as: (C)
a.
the ureter.
b.
a segmental bronchus.
c.
a terminal bronchiole.
d.
a respiratory bronchiole.
e.
none of the above.
22.
Intracellular Ca2+ levels within the cell type indicated by
the tip of the arrow will _______________ following stimulation of histamine
(H1) receptors. (A)
a.
increase
b.
not change
c.
decrease
23.
The region shown in the field is best described as: (C)
a.
a renal column.
b.
a renal sinus.
c.
a renal papilla.
d.
the outer medulla.
e.
a medullary ray.
24.
The region indicated by the tip of the arrow consists of the tissue type:
(D)
a.
stratified squamous, incompletely keratinized.
b.
stratified squamous, completely keratinized.
c.
pseudostratified columnar.
d.
transitional epithelium.
e.
smooth muscle.
25.
What is the name of the tissue type indicated by the tip of the arrow?
(A)
a.
Smooth muscle
b.
Dense irregular fibroelastic connective tissue (FECT)
c.
Dense regular FECT
d.
Cardiac muscle
e.
None of the above
26.
The cell type indicated by the tip of the arrow is best described as: (D)
a.
a SA nodal myocyte.
b.
an AV nodal myocyte.
c.
a Bundle of His myocyte.
d.
a Purkinje cell.
e.
a working cardiac myocyte.
27.
The tip of the arrow is in a space best described as: (A)
a.
the space of Bowman’s capsule.
b.
the lumen of a glomerular capillary.
c.
the lumen of a peritubular capillary.
d.
the lumen of a vasa recta.
e.
none of the above.
28. Following a severe hemorrhage, the magnitude of the response to atrial natriuretic peptide (ANP) of the cell type indicated by the tip of the arrow will: (B)
a.
increase
b.
not change
c.
decrease
29.
The region indicated by the tip of the arrow is best described as: (E:
this was an alveolar pore)
a.
a respiratory bronchiole.
b.
an alveolar duct.
c.
an alveolar sac.
d.
an interalveolar septum.
e.
none of the above.
30.
The cell indicated by the tip of the arrow is best described as: (C)
a.
a Type I pneumocyte.
b.
a Type II pneumocyte.
c.
an alveolar macrophage.
d.
a pulmonary capillary endothelial cell.
e.
a mesangial cell.
31.
The structure indicated by the tip of the arrow is best described as: (E:
this was the root of the pulmonary trunk)
a.
the annulus fibrosus.
b.
the membranous IV septum.
c.
the Bundle of His.
d.
the root of the aorta.
e.
none of the above.
32.
The surface indicated by the tip of the arrow is best described as: (C)
a.
the holding surface of an atrioventricular valve cusp.
b.
the deforming surface of an atrioventriucular valve cusp.
c.
the holding surface of a semilunar valve cusp.
d.
the deforming surface of a semilunar valve cusp.
e.
none of the above.
33.
The structure (layer) indicated by the tip of the arrow is best described
as: (B)
a.
the endocardium.
b.
the tunica intima.
c.
the myocardium.
d.
the tunica media.
e.
the tunica adventitia.
34.
The cell type indicated by the tip of the arrow is best described as: (E:
this was a Schwann cell in a nervi vasorum)
a.
a smooth muscle cell.
b.
a fibroblast.
c.
an endothelial cell.
d.
a neuron.
e.
none of the above.
35.
The tip of the arrow is in the lumen of: (D)
a.
a terminal bronchiole.
b.
the coronary sinus.
c.
a minor calyx.
d.
the ureter.
e.
the bladder.