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1

Which of the following is not a necssary part of thge respiratory membrane
-A.) Pneumoncyte I
-B.) Basal lamina of pneumocyte I
-C.) Dust Cells (pulmonary macrophages)
-D.) Basal lamina of endothelial cell
- E.) Endothelial

C.) Dust cells (pulmonary macrophages)

2


Which of the following is characteristic of an arteriole ?

- A.) Thick tunica adventitia and large lumen
- B.) Thick tunica media in relation to size of lumen
- C.) Thin tunica media and relatively large lumen
- D.) Large blood-filled lumen
- E.) Large amounts of elastic fibers

B.) Thick tunica media in relation to size of lumen

3

Where in the body of a normal, healthy individual would you expect most erythrophagoytosis to be occurring
- A.) Marginal zone in spleen
- B.) medulla of thymus
- C.) Hematopeoitic cord in bone marrow
- D.) Cord of Billroth in spleen
- E.) Paratrabecular sinus in lymph nod

C.) cord of Billroth in spleen

4

Which of the following sequences best describes the flow of red blood cells thought the spleen?
-A.) Trabecular arteries, central arteries, splenic central arteries, splenic arteries, penicillus, venous sinuses
-B.) Splenic arteries, central arteries, trabecular arteries, Venous sinuses, penicillus
- C.) Trabecular arteries, splenic arteries, central arteries, penicillus, venous sinuses
- D.) Splenic artery, trabecular arteries, central arteries, penicillus, venous

D. Splenic artery, trabecular arteries, central arteries, penicillus, venous

5

The simple cuboidal epithelium of this portion of the kidney tubule is composed of cells in the form of truncated pyramids which are characterized by basal striations that mark the location of mitochondria?

-Proximal convoluted tubule

6

Renin is secreted by what

- Juxtaglomerular cells

7


Which of the following best describes the olfactory mucosa?
A.) Stratified columnar epithelium with goblet cells and a distinct basement membrane
B.)simple ciliated columnar epithelium with goblet cells and a distinct basement member
C.) stratified, non-keratinized epithelium lacking goblet cells wiht thick basement membrane
D.) Pseudostratifed columnar epithelium lacking goblet cells with no distinct basement membrane

D.) Pseudostratifed columnar epithelium lacking goblet cells with no distinct basement membrane