Other Flashcards

1
Q

What does the diaphragm do

A

Closes thoracic outlet
Comprises radial muscle fibres into central tendon
Dimes upward more on the right
Pastures allow things to pass through

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2
Q

What passes through the diaphragm

A

Oesophagus
Aorta
Inferior vena cava

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3
Q

What are the internal intercostal muscles

A

External intercostal
Internal intercostal
Inner most intercostal

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4
Q

What are the venison nerves and artery’s called supplying the intercostal muscles

A

Intercostal nerve artery, vein

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5
Q

How does the thoracic cage move

A

Superior and anterior

Ribs move upward like a bucket Handel

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6
Q

What are the sub decisions of the thoracic cavity

A

Mediastinum (middle of lungs)

Pleural sacks around the lungs

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7
Q

What is the visceral pleura

A

This is the inner membrane surrounding the lungs

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8
Q

What is the parietal pleura

A

This is the outer membrane in contact with the ribs

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9
Q

What lobes does the right king have

A

Superior
Middle
Inferior

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10
Q

What Kobe’s does the left lung have

A

Superior

Inferior

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11
Q

What is the oblique fissure

A

The diagonal one

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12
Q

What is the horizontal fissure

A

This is the fissure in the right lung that separates the superior and middle lobes

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13
Q

What is the HILUM of the lung

A

This is the part of the lung where the bronchi, pulmonary artery, pulmonary veins and pulmonary ligament attach/enter/leave

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14
Q

What is the perimysium

A

Layer around fascicles

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15
Q

What is the epimysium

A

Outer layer of muscle

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16
Q

What is the endomysium

A

Inner layer

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17
Q

What is a fascicles

A

Bundle of muscle cells

18
Q

How are muscles cells formed

A

Myoblasts fusing

19
Q

What are all the different bands in sarcomeres

A

A band length of myosin
I band length actin alone
H zone myosin alone
M like is middle z disk is boundary of sarcomere

20
Q

What does myosin contain

A
Motor domains (heads) 
Have chains
21
Q

What is the bare zone on the myosin strip

A

This is where there are no myosin heads just interlocking heavy chains

22
Q

What is actin made of

A

Globular actin monomers

23
Q

What are the regulatory filaments in muscle contraction

A

Tropomyosin and troponin

24
Q

What happens to expose binding sites

A

Ca binds to troponin causing tropomyosin to move exposing these sites

25
Q

How is the nerve impulse synapsed with muscle

A

Acetylcholine released

Nicotine’s cholinogeric receptors detect it

26
Q

How are Ca ions released

A

Transverse tubules DHPR -RyR ca release

27
Q

What is Titin

A

Keeps myosin filament in place

28
Q

What is a purine

A

Adenine

Guanine

29
Q

Pyrimidines

A

C T or U

30
Q

What’s a missence mutation

A

Change in base so different amino acid

31
Q

What is a nonsense mutation

A

Base chagrin codon to stop codon and protein is terminated

32
Q

What causes cystic fibrosis

A

Mutation in chloride ion exporter proteins causing accumulation of mucus

33
Q

What is sickle cell anemia

A

Abnormalities in haemoglobin and red blood cell shape

34
Q

What is dentinogenesis imperfects

A

Several forms one caused by C to T mutation

35
Q

What’s a multifactorial genetic disease

A

Cussed by many genes and environment

36
Q

What does a restriction enzyme do

A

Cuts at palindromic sequence of 4 bases

37
Q

What’s gel electrophoresis

A

Separates fragments of DNA

They are sized using markers

38
Q

What’s recombinant DNA tech

A

Cloning modified DNA

39
Q

What PCR

A

Amplifying fragments using enzymes and base co raining solutions

40
Q

What’s southern blotting

A

Nylon membrane used to blot

41
Q

What’s a DNA sequencer

A

Fluorescent labels to DNA

42
Q

What’s next gen sequencing

A

Computerised