Cytology

Question 1

It is the smallest, fundamental unit of life.

Answer 1

Cell

Question 2

All prokaryotic cells are bounded by cell membrane, with a distinct membrane bound nucleus and a gel-like cytoplasm that provides a platform upon which other organelles can operate within the cell.

A. True
B. False

Answer 2

False

Question 3

The scientific study of cell.

Answer 3

Cytology

Question 4

The adult human body has approximately about __________ cells, with over __________ different types of cells that differ in several aspects such as size, shape, and number of nuclei present.

Answer 4

40 trillion; 200

Question 5

Each cell type performs a different function. All cells possess certain unifying characteristics.

A. Both statements are true
B. Both statements are false
C. Only the first statement is false
D. Only the second statement is true

Answer 5

Both statements are true

Question 6

Identify the shape of the cell:
Motor neuron cells

Answer 6

Star-shaped or stellate

Question 7

Identify the shape of the cell:
Egg cell

Answer 7

Spherical or spheroidal

Question 8

Identify the shape of the cell:
Gut cells

Answer 8

Columnar

Question 9

Identify the shape of the cell:
Skin cells

Answer 9

Flat

Question 10

Identify the shape of the cell:
Smooth muscle fibers

Answer 10

Elongated, fusiform, or spindle-shaped

Question 11

Identify the shape of the cell:
Red blood cells

Answer 11

Disc-shaped or discoid

Question 12

Identify the shape of the cell:
Kidney cells

Answer 12

Cuboidal

Question 13

Identify the shape of the cell:
Human liver

Answer 13

Polygonal

Question 14

Identify the shape of the cell:
White blood cells

Answer 14

Spherical or spheroidal

Question 15

Identify the shape of the cell:
Ligaments

Answer 15

Fibrous

Question 16

There are variations in cell morphology.

A. True
B. False

Answer 16

True

Question 17

Identify the shape of the cells:
Inner lining of the cheek

Answer 17

Flat cells

Question 18

Identify the shape of the cells:
Pulmonary alveoli

Answer 18

Flat cells

Question 19

Alveolar cells that comprise the major gas exchange surface of the alveolus and are integral to the maintenance of the permeability barrier function of the alveolar membrane.

Answer 19

Type 1

Question 20

Type 1 pneumocytes are alveolar cells comprise the major __________ surface of the alveolus and are integral to the maintenance of the permeability barrier function of the alveolar membrane.

Answer 20

Gas exchange

Question 21

Pneumocytes that are the progenitors of type 1 cells and are responsible for surfactant production and homeostasis.

Answer 21

Type 2

Question 22

Type 2 pneumocytes are responsible for __________ production and homeostasis.

Answer 22

Surfactant

Question 23

Identify the shape of the cells:
Blood vessels

Answer 23

Flat cells

Question 24

Flat cells that form the inner lining of a blood vessel and provides an anticoagulant barrier between the vessel wall and blood.

Answer 24

Endothelial cells

Question 25

Identify the shape of the cells: Kidney tubules

Answer 25

Square, cube shaped, or cuboidal

Question 26

Identify the shape of the cells: Gallbladder

Answer 26

Cylindrical or columnar

Question 27

What are the type of cells present in the trachea?

Answer 27

Columnar cells with bifid ends Spindle shaped or fusiform shaped cells Spheroidal cells

Question 28

The surface specialization of trachea.

Answer 28

Ciliated

Question 29

Identify the shape of the cells: Liver

Answer 29

Polygonal shaped

Question 30

How many nucleus are present in the liver?

Answer 30

2 – binucleated

Question 31

Identify the shape of the cells: Skeletal muscle

Answer 31

Cylindrical or elongated

Question 32

How many nucleus are present in the skeletal muscle?

Answer 32

Many – multinucleated

Question 33

Cells that are mononucleated with variation in shape depending on structural type.

Answer 33

Nerve cells

Question 33

Cells that are mononucleated with variation in shape depending on structural type.

Answer 33

Nerve cells

Question 34

Identify the shape of the cells: Unipolar neuron in a nerve cell smear

Answer 34

Flask shaped

Question 35

Identify the shape of the cells: Bipolar neuron in a nerve cell smear

Answer 35

Fusiform shaped

Question 36

Identify the shape of the cells: Multipolar neuron in a nerve cell smear

Answer 36

Stellate shaped

Question 37

Identify the shape of the cells: Red blood cells

Answer 37

Discoid shaped

Question 38

How many nucleus are present in a mature red blood cells?

Answer 38

0 – anucleated

Question 39

How many nucleus are present in a mature white blood cells?

Answer 39

1 - mononucleated

Question 40

How many nucleus are present in a mature white blood cells?

Answer 40

1 - mononucleated

Question 41

How many nucleus are present in a cardiac muscle cell?

Answer 41

2 - binucleated

Question 42

By losing the nucleus of red blood cells, it enables them to contain more oxygen-carrying hemoglobin. Thus, it should only allow hemoglobin to bind oxygen. A. Both statements are true B. Both statements are false C. Only the first statement is false D. Only the second statement is true

Answer 42

Both statements are true

Question 43

Smallest cell in the human body.

Answer 43

Sperm cell

Question 44

Biggest cell in the human body.

Answer 44

Egg cell