Question 1

If the lysosomal membrane ruptures, what is the consequence to the cell?

Accepted Answer

A)   Activates cell nucleus to replicate DNA
B)   Enhances protein synthesis by ribosomes
C)   Damages internal cell structures
D)   Facilitates rearrangement of intracellular organelles C

Question 2

The nucleolus of a cell is composed of:

Accepted Answer

A)   Hydrolytic enzymes
B)   Glycoproteins
C)   RNA
D)   Lipids C

Question 3

What cellular component is responsible for energy production and metabolic processes?

Accepted Answer

A)   Ribosomes
B)   Nucleus
C)   Mitochondria
D)   Lysosomes C

Question 4

In what stage of the cell cycle does DNA replication occur?

Accepted Answer

A)   G1
B)   S
C)   G2
D)   M

Question 5

Erythropoietin is a growth factor affecting erythroid progenitors and is produced by what organ?

Accepted Answer

A)   Bone marrow
B)   Spleen
C)   Kidney
D)   Liver

Question 6

Lysosomes are found in the cytoplasm of many cells and contain:

Accepted Answer

A)   Cholesterol
B)   Hydrolytic enzymes
C)   Glycoproteins
D)   RNA

Question 7

A cell that is actively synthesizing protein has:

Accepted Answer

A)   More nucleoli
B)   More heterochromatin
C)   Fewer ribosomes
D)   Fewer mitochondria

Question 8

What cellular component of the erythrocyte is its control center?

Accepted Answer

A)   Heterochromatin
B)   Golgi complex
C)   Nucleus
D)   Cytoplasm

Question 9

What cellular component "directs traffic" for smooth functioning?

Accepted Answer

A)   Mitochondria
B)   Ribosomes
C)   Golgi complex
D)   Nucleoli

Question 10

How does the genetically active portion of the nuclear chromatin look when stained with Wright stain?

Accepted Answer

A)   Condensed, darkly stained
B)   Clumped, dark purple
C)   Ropelike, pink or red
D)   Diffuse, uncondensed and pale blue

Question 11

Protein synthesis occurs in what part of a cell?

Accepted Answer

A)   Ribosomes
B)   Nucleus
C)   Mitochondria
D)   Lysosomes

Question 12

Where are surface markers that help in cell identification found?

Accepted Answer

A)   Cell membrane
B)   Golgi complex
C)   Rough endoplasmic reticulum
D)   Nucleus

Question 13

If the cytoplasm of a cell is very basophilic or blue when stained with Wright stain it contains:

Accepted Answer

A)   Low concentration of lysosomes
B)   Large number of ribosomes
C)   Small number of ribosomes
D)   High concentration of lysosomes

Question 14

Which of the following morphologic characteristics is representative of apoptosis?

Accepted Answer

A)   Inflammation
B)   Cell swelling
C)   Cell shrinkage
D)   Cell lysis

Question 15

What cellular structures appear as granules with Wright stain?

Accepted Answer

A)   Ribosomes
B)   Golgi bodies
C)   Mitochondria
D)   Lysosomes

Question 16

What component of the erythrocyte is most responsible for its cytoskeleton and cellular integrity?

Accepted Answer

A)   Integral protein
B)   Peripheral protein
C)   Nucleus
D)   Golgi complex

Question 17

After birth, where does hematopoiesis predominantly occur?

Accepted Answer

A)   Bone marrow
B)   Spleen
C)   Liver
D)   Lymph nodes

Exam 6: Cellular Structure and Function