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Psychology of health > Body Systems and Sleeo (lec 2) > Flashcards

Body Systems and Sleeo (lec 2) Flashcards

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1
Q

What makes up the nervous system

A
  • central nervous system (carries voluntary nerve impulses to skeletal muscles and skin, carries involuntary impulses to muscles and glands) + peripheral NS
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2
Q

What makes up the CNS

A

-Brain : hindbrain (medulla, pons, cerebellum), Midbrain (major motor and sensor pathway b/n fore and hind brains ), Forebrain// Diencephalon (thalamus and hypothalamus) and Telecephalon (cerebral cortex)

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3
Q

Pons

A

link b/n hind and mid brain -helps control respiration

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4
Q

medulla

A

receives autonomic information about respiration, heart rate and Bpressure and will adjust accordingly

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5
Q

cerebellum

A

-maintains balance/equilibrium, coordinates voluntary muscle movement and maintains muscle tone and posture.

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6
Q

thalamus

A

coordination and control signals between sensory input and output to the cerebral cortex

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7
Q

Hypothalamus

A

regulates medulla output, regualtes [h2o] balance, regulates hunger and sexual appetites -in combination with pituitary gland –> regulates endocrine system

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8
Q

what makes up the PNS

A
  • Somatic NS (controls voluntary movement ) + Autonomic NS ( controls organs that operate involuntarily )
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9
Q

What makes up the ANS ?

A
  • Sympathetic NS ( fight or flight response) and the Parasympathetic NS (housekeeping mode; maintains and restors equilibrium).
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10
Q

what are the four lobes that make up the cerebral cortex

A

-frontal, occipital, parietal and temporal

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11
Q

what are examples of catecholamines?

A

-ephinephrine and norepinephrines (Involved in stress responses, activate the sympathetic nervous system)

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12
Q

Multiple Sclerosis describe

A

Autoimmune disease – demyelination
Symptoms vary depending on location of lesions, common are fatigue, sensory and motor loss, cognitive dysfunction, pain
Prevalence: 100,000 Canadians

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13
Q

Parkinson’s Disease

A

Cause – unknown, dopamine depletion
Progressive deterioration of basal ganglia – motor coordination
Prevalence: 55,000 Canadians

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14
Q

Alzheimer’s Disease

A

Progressive degenerative disease – cognition/memory

Prevalence 1million by 2050

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15
Q

Epilepsy

A

Various causes, marked by seizures, no cure – but can be managed
Prevalence: 130,000 Canadians

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16
Q

Cerebral Palsy please describe

A

Acquired: lack of oxygen and birth, head trauma
Lack of muscular control and other symptoms
Prevalence: 43,000 Canadians

17
Q

Huntington’s Disease please describe

A

Genetic and progressive disease of the CNS

Prevalence: 3000 Canadians

18
Q

Paraplegia and quadriplegia

A

Acquired spinal cord damage leading to motor and sensory loss (paralysis)
Prevalence: 118,000 Canadians

19
Q

what does the adrenal cortex secrete

A

releases steroids// corticosteroids –> increased metabolism, increased access to stored energy, inhities inflammation adn antibody ofmraqtion, regulates Na+ retention

20
Q

what does the adrenal medulla secrete

A

secretes epinephrine and norepinephrine
–>increase heart rate and capillaries dilate, BP increaes (vasocontriction), muscles are oxygenated, increased breathing rate, digestion is slowed, pupils dilate

21
Q

Pituitary gland secretes ?

A

growth hormones (somatotropic, gonadotropic, thyrotropic, and adrenocorticotropic) and oxytocin

22
Q

Type I diabetes

A
  • genetic component, autoimmune // usually develops in youth
  • immune system attacks pancreas cells –> unable to produce insulin
23
Q

Type II diabetes

A
  • lifestyle factors ( obesity, diet, stress) diagnosed in adulthood
  • insulin resistance or insufficient insulin produced
  • associated with atherosclerosis. kidney failure, nervous system damage
24
Q

detail the heart as a pump

A
  • contracts/ systole ( blood is pushed out of muscle and the BP increases) between relaxes/diastole (where blood enters heart and the BP in veins and arteries decreases)
25
Q

what is the blood made up of ?

A

-plasma, red blood cells., white blood cells, and platelets

26
Q

what are structures of the blood vessels

A

-veins, arteries and capillaries

27
Q

atherosclerosis

A

the plaque formation in and narrowing of the arteries

  • lifestyle factors ( smoking, diet)
  • -> reduces the blood flow–> tissue damage resulting from lack of nutrients being delivered by blood , blood clots
28
Q

Angina pectoris

A
  • chest pain due to heart working without enough nutrients/too much waste
29
Q

myuocardial infarction

A
  • heart attack, flow of blood to heart is blocked by clot

Psychology of health (3 decks)

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