PathoII: Exam 1 Flashcards
1
Q
- This stores genetic information
- Permanent hereditary chaing in the sequence of DNA.
- Strucutre composed of DNA on a framework of protein
A
- DNA
- Mutation
- Chromosome, (has somatic cells containing 46 chromosomes)
2
Q
- This is a non sex chromosome
- This determines the genes X & Y
- Provides a blueprint for assemby of a specific protein
A
- Autosome
- Sex Chromosome
- Gene
3
Q
- This is a picture of your genotype
- An individual’s genetic constitution
- Physical characteristics of an individual
A
- Karyotype
- Genotype
- Phenotype
4
Q
- Paired Chromosomes
- Alleles that are identical
- Allels that encode different version of a protein
A
- Alleles
- Homozygous
- Heterozygous
5
Q
- What does the cell use ATP for?
- Which type of glycolysis occurs in the mitochondria
- Which type of glycolysis is not produced in mitochondria?
A
- muscle contraction and active transport of molecules across membranes. Stores energy and stranfers it.
- Oxidative phosphorylation
- Substrate phosphorylation
6
Q
- What does Aerobic glycolysis do?
- What doe Anearobic glycolysis do
- What does hydrostatic pressure do?
A
- NADH and FADH stranfer to electron transport chaing. Cytcromes accept electrons
- Converts glucose to pyruvic acid then to lactic acid into extracellular fluid.
- pushes fluid into interstital spaces and alveoli. Balanced by osmotic pressure
7
Q
- What is passive movement
- What is diffusion?
- What is filtration
A
- influenced by chemical or electrical gradients, no expenditure of energy
- high conc to low conc, facilitated requires a transport protein
- movement of water and solutes through a mebrane because of greature pushing pressure on one side than the other.
8
Q
- What is osmosis?
- What is oncotic pressure
- What is an electrolyte
A
- moves low to high concentration
- albumin used to pull water into circulatory system
- disassociates into ions when dissolved. Capable of electrical currents and force in fluid balance.
9
Q
- What is DNA
- Purines (singe ring)
- Pyrimidine
A
- Sugar, phsophate and 4 nitrogenous bases
- Adenosine and guanine
- cytosine and thymine
10
Q
- What is a mutation
- What is base pair substituion
- Silent mutations
A
- alteration of genetic material
- one base pair replacement, change in amino acid sequence. no consequence
- a change in the DNA without a change in amino acid
11
Q
- Missense mutations
- Nonsense
- Frameshift
A
- change a single amino acid
- produce one of three stop codons
- insertion or deletion of one or more base pairs.
12
Q
- What is a mutagen
- Gametes
- Somatic
A
- increase frequency of mutations
- Sperm and egg
- Everything that is not a sex cell
13
Q
- Diploid
- Haploid
- Euploid
A
- father/mother donate 1 chromosome pair. Somatic
- Gametes, 1 member of each chromsome pair, formed from diploid
- multiple of the normal # of chormosomes
14
Q
- Polyploid
- Triploidy
- Tetraploidy
incompatible with postnatal survial. Starting at triploid.
A
- when euploid is more than diploid. body tissue, liver, bronchial
- zygote has 3 copies of each chromosomes. (69)
- 4 copies.
15
Q
- What is aneploid
- Nondisjunction
- Mosaics
A
- does not contain a multiple of 23 chromsomes. Less severe than autosomes.
- error in homologous chromosomes fail to separate.
- 2 or more different cell lines, each has diff karyotype.
16
Q
- Trisomy
- Down syndrome
- Turner Syndrome
A
- 3 copies of one chromosomes & aneuploid.
- maternal age, nondisjunctio
- Monosomy X, only females. Gonadal streaks, cancer.
17
Q
- Klinefelter Syndrome
A
- at least 2 x chromosomes and one Y. Breasts. Nondisjunction X chromsomes from mother.
18
Q
- Inversion
- Position Effect
- Translocation
A
- 2 breaks on a chromosome. Reversal
- a change in expression caused by position
- interchange of genetic material between nonhomologoys chromosomes
19
Q
- Fragile Sites
- Fragile X
- Autosomal Dominant
A
- No disease, breaks an gaps.
- mental retardation on long arm, 2nd most cause of retardation
- 50% chance
20
Q
- Characteristics of Autosomal Dominant
- Diseases associated with A. Dominant
- Autosomal recessive.
A
- delayed age of onset, penetrance, variable expressivit.
- Huntingtons, Retnioblastoma, neurfibromastoma, hemophilia
- cannot detect if they are a carrier until they produce offspring. 25 % chance
21
Q
- Autosoma Recessive Diseases
- Polygenic Traits
- Multifactorial Traits
A
- Cystic Fibrosis, Sickle Cell, Consanguinuity
- several genes acting together
- When environmental factors influence the expression. (height, IQ).
22
Q
- X linked
- X inactivation
- What are Single gene mutations
A
- more in males, transmitted thru carrier females, skipped generation (balding). Hemizygous. Recessive more common
- one X chromsomes is permanantly inactivated.
- Autosomal, easily identifiable
23
Q
- What are chromosomal aberrations
A
- Loss addition, rearrangement . Down Syndrome. Aneuploidy
24
Q
- What is atrophy
- What is hypertrophy
A
- shrinking in cell size
- increase in size of cell and eventually organ.
25
Q
- Metaplasia
- Hyperplasia
- Dysplasia
A
- Reprogramming stem cells Columnar ciliated epithelial cells of the bronchial lining by stratified squamous cells. Won’t have mucous or cilia. Smoker’s Lung.
- increase in the number of cells, uterus/breast
- abnormal changes in size and shape. Cervix/Respiratory Tract
26
Q
- Hypoxia
- Anoxia
- Ischemia
A
- Common cause of cell injury. Induce inflammation. Bowel disease, cancer, infections. Cause is ischemia
- total lack of oxygen. Embolus, infarction
- narrowing of vesssels. Will adapt
27
Q
- Infarction
- Reperfusion
A
- cell death, ischemia comes first. Irreversible.
- restore oxgenation after a perios od anoxia. Oxidative stress in the bodia. Mitochondria Calcium overload.
28
Q
- What is asphxia
- Suffocation
- Strangulation
A
- Failure of cells to receive oxygen
- entrapment. Choking. hypoxia
- break hyoid bone, pressure on the neck. Closure of vessels
29
Q
- Chemical asphyxia
- Ligaure
- Drowning
A
- cyanide carbon monoxide
- tying/binding
- inhalation of fluid altered oxygen delivery
30
Q
- Free radicles
- Subarachnoid head injury
- Abrasion
A
- Cell injury. Unstable oxygen ion. Lost an an electron. Attack mitochondria. Aging. Death
- Blood escapes from an injured vessel into the sub space. Intracranial aneurysm
- Road rash
31
Q
- Hematoma
- Contusion
- Fracture
A
- deeper than a contusion
- Brusie
- Broken Bone
32
Q
- Subdural Layer
- Subdural Hematoma
- Laceration
A
- can be opened by the separation of arachnoid mater from dura mater by trauma
- Blows, falls, shaken baby. Medication, aspirin, alcohol.
- tear. clean edges.
33
Q
- Gunshot wound
- Incised wound
- Stab Wound
A
- Entrance affected by ROF, Exit have same regardless of ROF. Passes thru entire body, not thru skin.
- longer than deep, distinc edges. External bleeding
- penetrating object with sharp edges. Deeper than long.
34
Q
- Puncture Wound
- Chopping Wound
- Necrosis
A
- sharp point without sharp edges. Walking on a nail
- heavy, edged instruments. Axe Hatchet
- Cell death. Autodigested. Black, odor, lack of sensation.
35
Q
- Apoptosis
- Coagulative
- Caseous
A
- normal process. Dropping off
- Kidney, Heart, Adrenal Glands. Hypoxia or chem injury. Albumin becomes solid and opaque
- TB bacillus. Clumped cheese, soft and granular. Tissue not digested
36
Q
- Liquefactive
- Gangrenous
- Gas Gangrene
A
- From ischemia or brain tissues. Bacterial infections too.
- Death, hypoxia. Black. Embolism, Strangulated hernia, valvuls intussussception.
- Clostridium. Anaerobic bacteria. Death by shock, lyse RBCs.
37
Q
- In response to workload. Cardia myocardial cell will
- Muscular atrophy
- Calcium Infiltration
A
- Increase in Size
- Decrease in cell size
- Chronic TB lung lymph, atherosclerosis. Heart Valve injury. Cell damage. dying dead tissues.
38
Q
- Aging
- Tissue and systemic aging
- Frailty
A
- gradual degerative extracellula changes. Genome instability. Decline in renewal by stem cells.
- stiffness, sarcopenia, loss of muscle mass.
- Negative energy balance, diminshed strength and tolerance for exertion. Oxi stress, dysregulation of inflammotry cytokines and hormones.
39
Q
- Somatic Death
- Visual sign of strangulation
- Cell change due to aging
A
- Death of the entire person, drop in body temp, respiraotry circ cessation
- fracturees of tracheal and cricoid cartilay, hyoid
- slowly and small increments
40
Q
- Algor mortis
- Livor Mortis
- Rigor Mortis
A
- Drop in temp
- Blodd settles to dependeng regions caused by gravity
- muscle stiffening
41
Q
A patient born with the deletion of the short arm of the chromosome 5 is exhibiting a characteristic of
A
Cru-di Chat