Question 1

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 D

Question 2

What cellular component "directs traffic" for smooth functioning?

Accepted Answer

A) mitochondria 
B) ribosomes 
C) Golgi complex 
D) nucleoli C

Question 3

After birth,where does hematopoiesis predominantly occur?

Accepted Answer

A) bone marrow 
B) spleen 
C) liver 
D) lymph nodes A

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

What cellular structures appear as granules with Wright stain?

Accepted Answer

A) ribosomes 
B) Golgi bodies 
C) mitochondria 
D) lysosomes

Question 6

Which of the following morphologic characteristics is representative of apoptosis?

Accepted Answer

A) inflammation 
B) cell swelling 
C) cell shrinkage 
D) cell lysis

Question 7

Protein synthesis occurs in what part of a cell?

Accepted Answer

A) ribosomes 
B) nucleus 
C) mitochondria 
D) lysosomes

Question 8

The nucleolus of a cell is composed of

Accepted Answer

A) hydrolytic enzymes. 
B) glycoproteins. 
C) RNA. 
D) lipids.

Question 9

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 10

Lysosomes are found in the cytoplasm of many cells and contain

Accepted Answer

A) cholesterol. 
B) hydrolytic enzymes. 
C) glycoproteins. 
D) RNA.

Question 11

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 12

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

Question 13

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

Accepted Answer

A) ribosomes 
B) nucleus 
C) mitochondria 
D) lysosomes

Question 14

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 15

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

Accepted Answer

A) glycocalyx 
B) cytoskeletal protein 
C) nucleus 
D) Golgi complex

Question 16

What cellular component of the erythrocyte is its control center?

Accepted Answer

A) heterochromatin 
B) Golgi complex 
C) nucleus 
D) cytoplasm

Question 17

A cell that is actively synthesizing protein has

Accepted Answer

A) more nucleoli. 
B) more heterochromatin. 
C) fewer ribosomes. 
D) fewer mitochondria.

Exam 6: Cellular Structure and Function