Deck 3: Connective Tissue

Question 1

A dysfunction of receptors for the protein hormone,leptin,can provoke:

A) Excessive phagocytosis by tissue macrophages
B) Immunoglobulin deficiency
C) Impaired synthesis of collagen
D) Obesity
E) Septic shock

Answer 1

D

Question 2

Which connective tissue cell possesses a dark-staining,round nucleus,a large,basophilic cytoplasm,and an abundant Golgi apparatus?

A) Brown fat cell
B) Fibroblast
C) Lymphocyte
D) Macrophage
E) Plasma cell

Answer 2

E

Question 3

Which connective tissue cell possesses a large,euchromatic,irregular (ovoid)nucleus?

A) Brown fat cell
B) Fibroblast
C) Lymphocyte
D) Macrophage
E) Mast cell

Answer 3

D

Question 4

Heat generation via nonshivering thermogenesis is accomplished by cells in which tissue?

A) Brown adipose tissue
B) Liver
C) Skeletal muscle
D) Smooth muscle
E) White adipose tissue

Question 5

Reticular fibers of connective tissue are composed of:

A) Type I collagen
B) Type II collagen
C) Type III collagen
D) Type IV collagen
E) Type VII collagen

Question 6

Mature molecules of tropocollagen are found in the:

A) Cisternae of the rough endoplasmic reticulum of a fibroblast
B) Extracellular environment of a fibroblast
C) Golgi apparatus of a plasma cell
D) Secretory vesicles of a fibroblast
E) Smooth endoplasmic reticulum of a macrophage

Question 7

In adipose tissue,lipoprotein lipase:

A) Forms triacylglycerol from circulating free fatty acids and glycerol
B) Is activated in response to norepinephrine released from synapses upon fat cells
C) Is synthesized by fat cells and delivered to capillary endothelial cells
D) Signals fat cells to form endocytic vesicles for the ingestion of fat
E) Travels from fat depots to the hypothalamus and functions as a signal of adiposity

Question 8

The cytoplasmic granules of mast cells stain intensely with toluidine blue.This is because of the contents of these granules,which contain:

A) Acid hydrolyases
B) Histamine and proteoglycans
C) Lipid
D) Matrix granules
E) Ribosomes