Introduction to Hemostasis Quiz 1

1. Hemostasis comes from Greek; "Hemo" means "Blood" and "Stasis" means ________.

• stopping

• motionlessness

• Either

• Neither

It involves the response of the coagulation factors during vascular injury.

• Primary Hemostasis

• Secondary Hemostasis

• Megakaryopoiesis

• NOTA

In megakaryopoiesis, this is the earliest recognizable stage of maturation.

• Promegakaryocyte

• Megakaryoblast

• Megakaryocyte

• Metamegakaryocyte

A process of nuclear division without cytoplasmic division.

• Megakaryopoiesis

• Exocytosis

• Endocytosis

• Mitosis

In megakaryopoiesis, megakaryoblast contains cytoplasmic granules.

• True

• False

Metamegakaryocyte contains cytoplasmic tags or blunt protrusions of cytoplasm extending into its external environment.

• True

• False

Megakaryocytes have already visible thrombocytes.

• True

• False

Circulating, inactive platelets have _____ shape.

• Irregular

• Discoid

• Protruding

• Blunt

Hemostasis is:

• A process which occurs in 2 phases: primary and secondary hemostasis

• A production, maturation, and proliferation of thrombocytes

• A mechanism involving the interaction of blood vessels, platelets and coagulation factors

• Only 2 options are correct

• AOTA

Megakaryocyte maturation series: Mature to Immature

I. Metamegakaryocytes II. Megakaryoblasts

III. Promegakaryocytes IV. Megakaryocytes

• I,II,III,IV

• IV,II,III,I

• I,IV,III,II

• II,III,IV,I