Revision Questions

Question 1

What are the Smooth Muscle ?

Answer 1

Has a cytoplasm

With one centrally placed nucleus

Made up the visceral or involuntary muscle

In cytoplasm , bundles of myofilaments , actin and myosin .

Automonic nerve

Question 2

What is Skeletal Muscle ?

Answer 2

Consists of very long tubular cells called muscle fibres

Average length of skeletal muscle is 3cm

Placed on nuclei

1-2 located on nuclei

Contain striated muscle

Made of voluntary muscle.

Has ciliation of a-z bands

Question 3

What is Cardiac Muscle ?

Answer 3

Consists of muscle cells

Innervated by autonomic nervous system

Myofibrils are located in the periphery of the cell.

Ciliation

Large amounts of mitochondria to beat the heart.

Question 4

Epithelial

Answer 4

Covers body surface
Lines body cavaties such as digestive tract
Forms glands
e.g skin, airways and glands

Function : Secretion and Protection

Transcelluar transport

Helps substances travel through certain distances like mucous .

Question 5

What does the Human Blood smear contain ?

Answer 5

Lymphocyte
Neutrophil
Red blood cells
Platelets

Question 6

Granulocytes (with specific granules)

Answer 6

Neutrophil : 40-80 %

Eosinophil : 1-6 %

Basophil : <1% WBC

Question 7

Agranulocytes (Without Specific granules)

Answer 7

Lymphocyte (B cells , T cells ) 20 - 40%

Monocyte : 2-10 %. of WBC

Question 8

Content of 1ml of Peripheral Blood

Answer 8

54% Plasma

Formed Elements (1%)
200,000-400,000 Platelets
5,000-9,000 Leukocytes