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WorksheetsIntroduction to Hemostasis Quiz 1
Total questions: 20
Worksheet time: 5mins
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
Cytoplasmic Tags in Promegakaryocytes.
Present
Absent
Usually Absent
Any of the Above
Nuclear Feature of Megakaryoblast
Single Nucleus
Double Nucleus
2 or more Nuclei
4 or more Nuclei
Cytoplasmic granules in Metamegakaryocytes.
Absent
Numerous
Aggregated
Few
The stage of Megakaryopoiesis where Demarcating Membrane System (DMS) is first formed.
Megakaryocytes
Metamegakaryocytes
Leukocytes
Promegakaryocytes
Substances involved in Primary Hemostasis.
I. Platelets
II. PK
III. Blood vessels
IV. Tissue Thromboplastin
I and II
II and III
I and III
II and IV
Megakaryocytic Cell series or maturation is done at what site?
Liver
Peripheral Blood
Bone Marrow
NOTA
What is the specimen of choice to visualize and study the different Megakaryocytic cells?
Whole Blood
Platelet Concentrate
Bone Marrow Aspirate
Any of the Three
During platelet formation and release, it has been estimated that each megakaryocyte can shed how many platelets?
10,000-40,000
1,000-4,000
400-1,000
100-400
What is the nuclear feature of Promegakaryocytes?
Single Nucleus
Double Nuclei
2 or more Nuclei
4 or more Nuclei
Surrounding tissues in extravascular component is dependent on which of the following:
I. Bulk II.Type III. Tonicity IV. Amount
I,II,III
II,III,IV
I,II,IV
I,II,III,IV
