IN-Class Questions Flashcards
Which of the following transport mechanisms requires energy other than kinetic energy?
A. Osmosis
B. Diffusion
C. Active Transport
D. Facilitated Diffusion
C. Active Transport
Of the following ions, which is most concentrated in the extracellular environment?
A. Sodium
B. Potassium
C. Chloride
D. Calcium
A. Sodium
The sodium-potassium pump is an example of which of the following kinds of transport?
A. Diffusion
B. Primary Active Transport
C. Secondary Active Transport
D. Facilitated Diffusion
B. Primary Active Transport
The sodium-glucose pump is an example of which of the following kinds of transport?
A. Diffusion
B. Primary Active Transport
C. Secondary Active Transport
D. Facilitated Diffusion
C. Secondary Active Transport
The sodium-calcium pump is an example of which of the following kinds of transport?
A. Diffusion
B. Primary Active Transport
C. Secondary Active Transport
D. Facilitated Diffusion
C. Secondary Active Transport
Glucose transporters (GLUT transporters) employ which of the following kinds of transport?
A. Diffusion
B. Primary Active Transport
C. Secondary Active Transport
D. Facilitated Diffusion
D. Facilitated Diffusion
Simple, non-ciliated columnar epithelium is most likely to be found associated with which of the following?
A. Urinary tract
B. Digestive tract
C. Respiratory tract
D. Integument
B. Digestive tract
Junctional complexes are associated with which cellular domains? A. Apical
B. Basolateral
C. Basal only
D. Lateral only
B. Basolateral
Transitional epithelium is associated with which of the following systems?
A. Respiratory
B. Lymphatic
C. Cardiovascular
D. Urinary
D. Urinary
Although not common, stratified cuboidal epithelium may be found in which of the following areas?
A. Vaginal epithelium
B. Part of male urethra
C. Urinary bladder
D. Kidney tubules
B. Part of male urethra
Lightly keratinized stratified squamous epithelium is characteristic of which of the following locations?
A. Vaginal epithelium
B. Part of male urethra
C. Urinary bladder
D. Kidney tubules
A. Vaginal epithelium
The basal lamina is associated with which type of collagen?
A. Type I
B. Type II
C. Type IV
D. Type VII
C. Type IV
Which of the following types of cell adhesion molecules is associated with Zonula Occludens and Desmosomes?
A. Cadherins
B. Integrins
C. Selectins
D. Immunoglobulin superfamily
A. Cadherins
Desmocollins and desmogleins belong to which of the following groups of CAMs?
A. Cadherins
B. Integrins
C. Selectins
D. Immunoglobulin superfamily
A. Cadherins
Which of the following serve as a major interface between the cadherins that hold adjacent cells together and their actin cytoskeletons?
A. Proteoglycans
B. Catenins
C. Laminins
D. Keratins
B. Catenins
The extracellular domains of which of the following bind to molecules in the extracellular matrix such as fibronectin and laminin?
A. Cadherins
B. Integrins
C. Selectins
D. Immunoglobulin superfamily
B. Integrins
Which of the following are molecular complexes that anchor cells together and reinforce the physical integrity tissues and the cells that make up the tissues
A. Zonula adherens
B. Zonula occludens
C. Hemidesmosomes
D. Connexons
A. Zonula adherens
Which of the following are molecular complexes that primarily serve to prevent paracellular transport?
A. Zonula adherens
B. Zonula occludens
C. Hemidesmosomes
D. Connexons
B. Zonula occludens
Which of the following are associated with the basal domain?
A. Zonula adherens
B. Zonula occludens
C. Hemidesmosomes
D. Connexons
C. Hemidesmosomes
The cleaving of the non-helical terminal ends of pro-collagen, converting it into tropocollagen occurs where?
a. in the RER prior to enclosure into secretory vesicles
b. in the cytoplasm prior to secretion
c. immediately after secretion
d. after the tropocollagen has been polymerized into collagen fibrils but before the fibrils have been assembled into fibers
e. after the collagen fibrils have been assembled into fibers
c. immediately after secretion
