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biology 152 > lab exam 1 > Flashcards

lab exam 1 Flashcards

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1
Q

what are the cavity and sub cavities?

A

thorasic- plural and peridcardial
abdominopelvic- abdominal and pelvic

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2
Q

what are 5 structures within mediastinum and what is it?

A

heart, aorta, esophagus, trachea, and bronchi and is the area between the lungs

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3
Q

what are the different cavities?

A

parietal = top
cavity = middle empty space
visceral= bottom before hitting organ

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4
Q

define diffusion?

A

spreading of something more widely, think high to low concentration

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5
Q

define osmosis?

A

molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated

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6
Q

define osmosis?

A

molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated

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7
Q

what two cell types does neural tissue comprised of? and their functions?

A

neruons- conduct electrical impulses
neuroglia- which support nourish and repair

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8
Q

what does the cerebrum do?

A

conscious thought processes, intellectual functions monitors, sensory input and sends out motor instructions

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9
Q

what does the epithalamus do?

A

contains the pineal gland, produces melatonin to regulate sleep cycles

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10
Q

what does the thalamus do?

A

relays/filters sensory input to cerebrum is part of the limbic system (memory/emotion)

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11
Q

what does the hypothalamus do?

A

controls ans, regulates endocrine system, produces hormones, controls appetite and thirst, envolved with emotion, bahavioural drives, role in rage pain pleasure arousal and drive, arousal, orgasm, and controls reflexes

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11
Q

what does the hypothalamus do?

A

controls ans, regulates endocrine system, produces hormones, controls appetite and thirst, envolved with emotion, bahavioural drives, role in rage pain pleasure arousal and drive, arousal, orgasm, and controls reflexes

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12
Q

what does the midbrain do?

A

communicates between cerebrum and cerebellum cerebral pundicles

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13
Q

what does the pons do?

A

links cerebrum with cerebellum and brain stem modifies the respiratory rate

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14
Q

what is the medulla oblongata?

A

contraction, regulates blood flow, relays visceral sensory info to the thalamus

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15
Q

what does the cerebellum do?

A

subconscious motor control (adjusts postural muscles) maintains balance equilibrium refines learned movement patterns

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16
Q

what does the longiotudal fissure do?

A

separates the right and left cerebral hemispheres

17
Q

what does the transverse fissure do?

A

separates the cerebrum and cerebellum

18
Q

what does lateral sulcus?

A

separates the parietal lobe and temporal lobe

19
Q

what does the central sulcus do?

A

separates the frontal lobe and parietal lobe

20
Q

what does the pre-central gyrus do?

A

primary motor cortex

21
Q

what does the postcentral gyrus do?

A

primary sensory cortex

22
Q

what does the frontal lobe do?

A

voluntary motor functions, mood, social adjustments, analysis, critical thought

23
Q

what does the insula do?

A

taste:not as well studied or understood

24
Q

what does the temporal lobe do?

A

hearing, learning, memory, and emotional behaviour

25
Q

what does the parietal lobe do?

A

receives, integrates info about general senses touch pleasure pain temp

26
Q

in cerebellum is grey mater superficail or deep to white matter

A

deep

27
Q

what is the epidural space?

A

has blood vessels areolar and adipose

28
Q

what is the subdural space?

A

narrow space not present in living person

29
Q

subarachnoid space?

A

contains cerebral spinal fluid

30
Q

what tissue are meninges formed from?

A

connective tissues

31
Q

what two fluids are found in the dural sinuses?

A

CSF and blood

32
Q

what are the three dural folds and there locations?

A

falx cerebri- within cerebrum
tentorium cerebellli- above the cerebrum like a tent
flax cerebelli- below cerebellum

33
Q

where does the spinal cord end and begin?

A

medulla oblongata to coccyx

34
Q

what is the cervical enlargement?

A

wider section of spinal cord where nerves to arms arise

35
Q

what is the lumbar enlargement?

A

wider section of the spinal cord where nerves to legs arise

36
Q

what is the connus medullaris?

A

cone-shaped end of spinal nerves

37
Q

what are spinal nerve roots?

A

portion of nerves that enter/exit spinal cord

38
Q

what does the central canal contain?

A

CSF

39
Q

what is the fillum terminale?

A

extension of the pia mater that anchors the spinal cord to the coccyx

40
Q

what is the cauda equina?

A

extension of the sacral and coccygeal nerves

biology 152 (28 decks)

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