2. Cellular Division Flashcards

1
Q

Phase when cells stop dividing

Examples

A

G0 phase

Cardiac cells and neurons

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2
Q

3 phases of interphase

A

G1
S
G2

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3
Q

Phase: chromosome duplication

A

Synthesis phase

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4
Q

Division of SOMATIC cells

A

Mitosis

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5
Q

Division of SEX cells

A

Meiosis

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6
Q

Chromatin condenses

A

Prophase

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7
Q

Align at the equator

A

Metaphase

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8
Q

Chromosomes split

A

Anaphase

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9
Q

Chromatid goes back to chromatin

Cleavage furrow forms

A

Telophase

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10
Q

Steps 1-4 or PMAT is also called

A

Karyokinesis (nucleus/to split)

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11
Q

Part of mitosis where cytokinesis happens

A

Telophase

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12
Q

Cytoplasm divides into two

A

Cytokinesis

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13
Q

What 2 things happen in Meiosis 1 prophase 1

A

Synapsis

Recombination

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14
Q

Phenomenon wherein HOMOLOGOUS chr PAIR during meiosis

A

Synapsis

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15
Q

Sharing of DNA of 2 homo chromo aka CROSSING OVER or CHIASTMATA FORMATION

A

Recombination

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16
Q

End product of meiosis 1

A

Sperm - 2 diploid

Egg - 1 diploid & 1 polar body

17
Q

End product of meiosis 2

A

Sperm- 4 haploid

Egg - 1 haploid & 3 polar bodies

18
Q

Only blood supply of heart

A

L and R coronary artery

19
Q

Decreased blood supply

A

Ischemia

20
Q

Loss of blood supply due to obstruction

A

Infarction

21
Q

Common cause of infarction

A

Obstruction of smaller vessels

22
Q

Other term for myocardial infarction

A

Heart attack

23
Q

Common cause of death of MI

A

Arrthymia or irreg heartbeat

24
Q

Most common organ assoc with infarction

A

Heart

25
Q

Brain infarction

A

Cerebrovascular accident or stroke

26
Q

Least involved organ in infarction

A

Liver

27
Q

Most common artery involved in stroke

A

Lenticulostriate artery (branch of middle cerebral artery)

28
Q

Initial response of heart to hemorrhage

A

Tachycardia : Inc in fxn to help brain

29
Q

Total body fluid volume

A

60% of weight

30
Q

2 types of blood fluid volume and %

A

Intracellular fluid - 40%

Extracellular - 20%

31
Q

Blood volume = _% of body weight

A

8%

32
Q

If blood volume (8%) not maintained it will result to loss of blood flow or ____

A

Hypovolemic shock or hemorrhagic shock

33
Q

Longest phase of cell division

A

Interphase

34
Q

Male with bar body

A

Klinefelter Syndrome

35
Q

44XX

Features:

A

Klinefelter

Glynecomastia
Micropenis
Taurodontism = Bull’s teeth

36
Q

Bull’s eye lesion (2 disease)

A
  1. Erythema Multiforme

2. Lyme’s Disease

37
Q

Loss of blood flow

=TACHYCARDIA

A

Hemorrhagic shock

38
Q

Obstruction in coronary artery

A

MI