Question 1

Microscopic folds that extend from the apical surface of certain epithelia to increase the surface area for absorption and secretion are called

Accepted Answer

A)  cilia.
B)  microvilli.
C)  flagella.
D)  mucous ridges.
E)  desmosomes.F) B) and C)
G) B) and D)

Question 2

Some bone interiors contain hemopoietic tissue,which functions in

Accepted Answer

A)  storing fat.
B)  producing hormones.
C)  making connective tissue fibers.
D)  producing blood cells.
E)  breaking down toxins.F) A) and B)
G) A) and C)

Question 3

If a person were unable to form saliva,what type of gland could be missing or malfunctioning?

Accepted Answer

A)  Merocrine
B)  Holocrine
C)  ApocrineD) None of the above
E) A) and B)

Question 4

Every living cell in the body requires oxygen,various ions,and nutrients.However,the solid nature of bone prevents these materials from reaching bone cells by diffusion alone.Which statement best describes how bone cells receive these necessary items?

Accepted Answer

A)  Blood capillaries penetrate into the calcified matrix of bone.
B)  Bone cells are only found on the periphery of bone and thus are in direct contact with blood vessels.
C)  Bone cells are only found lining the central canal where they are in direct contact with blood vessels.
D)  Bone cells connect to each other and ultimately with blood vessels (in the central canal) through passageways called canaliculi.
E)  Bone cells receive materials through lymph vessels that penetrate bone matrix.F) B) and D)
G) B) and C)

Question 5

What structure does number 1 indicate?

Accepted Answer

A)  Lateral surface
B)  Connective tissue
C)   Basement membrane
D)  Apical surface
E)  Basal surfaceF) A) and D)
G) A) and C)

Question 6

This figure shows different types of intercellular junctions.Note the connexons associated with the junction indicated by number 2.What type of junction is this?

Accepted Answer

A)  Gap junction
B)  Desmosome
C)  Tight junction
D)  Adhering junctionE) B) and C)
F) A) and D)

Exam 4: Tissue Level of Organization

Every living cell in the body requires oxygen,various ions,and nutrients.However,the solid nature of bone prevents these materials from reaching bone cells by diffusion alone.Which statement best describes how bone cells receive these necessary items?

Correct Answer
verified

What structure does number 1 indicate?

Correct Answer
verified

Some bone interiors contain hemopoietic tissue,which functions in

Correct Answer
verified

Microscopic folds that extend from the apical surface of certain epithelia to increase the surface area for absorption and secretion are called

Correct Answer
verified

This figure shows different types of intercellular junctions.Note the connexons associated with the junction indicated by number 2.What type of junction is this?

Correct Answer
verified

If a person were unable to form saliva,what type of gland could be missing or malfunctioning?

Correct Answer
verified

Exam 4: Tissue Level of Organization

Every living cell in the body requires oxygen,various ions,and nutrients.However,the solid nature of bone prevents these materials from reaching bone cells by diffusion alone.Which statement best describes how bone cells receive these necessary items?

Correct AnswerverifiedShow Answer

What structure does number 1 indicate?

Correct AnswerverifiedShow Answer

Some bone interiors contain hemopoietic tissue,which functions in

Correct AnswerverifiedShow Answer

Microscopic folds that extend from the apical surface of certain epithelia to increase the surface area for absorption and secretion are called

Correct AnswerverifiedShow Answer

This figure shows different types of intercellular junctions.Note the connexons associated with the junction indicated by number 2.What type of junction is this?

Correct AnswerverifiedShow Answer

If a person were unable to form saliva,what type of gland could be missing or malfunctioning?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified