Homework Chapter 4

Question 1

Sebaceous glands are classified as which type of gland?

Answer 1

simple branched alveolar

Question 2

How are stratified epithelia named?

Answer 2

according to the shape of the cells in their apical layer

Question 3

The role of tight junctions is

Answer 3

to prevent molecules from passing between cells

Question 4

Which factor that acts to bind epithelial cells to one another is the most important?

Answer 4

Cell Junctions

Question 5

Based on what you learned here and in Chapter 2 in your textbook, the increased glucose in the basement membrane would most likely result in

Answer 5

more water molecules in the basement membrane

Question 6

In diabetes mellitus, the hormone insulin is either lacking or unable to stimulate tissue cells to bring glucose into the cells from the blood. Using deductive reasoning, elevated blood glucose levels in diabetes can mean that

Answer 6

while blood glucose levels are elevated, a diabetic’s cells may be deprived of glucose and starving for an energy source

as capillary (and larger blood vessel) basement membranes thicken and compromise circulation, the diabetic’s risk of other vascular disease such as hardening of the arteries (atherosclerosis) increases

hunger centers in the brain can continue to register the need to eat, even though the serum glucose level is high

Question 7

are branched and interdigitate at specialized cell junctions called intercalated discs.

Answer 7

Cardiac muscle cells