Psychiatry Public Health
Mental Health
Mental Health
- Realizes own abilities
- Can cope with normal stresses with life
- Can work productively
Mental Illness
- Neurotic anxiety/depression
- Psychotic schizophrenia
*mental health is not merely absence of
Immunology Public Health
HIV/AIDS
Epidemiology
Prevalence
33.3 Million
o 22.5 million Sub-Saharan Africa
o 4.1 million SE Asia
97% in lower SES countries
Incidence
2.6 Million
Mortality
1.8 Million
50% in 15-24 year olds
Transmission & Risk Factors
Risk F
Neuro Physiology Neuronal Signaling
Axon Neurotransmission
Equilibrium Membrane Potential (= Nernst Potential)
[Gradient]
Electrostatic Forces
+
+
+
+
Creation
- Na /K ATP-ase
- Na , K Channels
o 3 Na out, 2 K in
o Na in, K out
= EMPK 85 mV
= EMPNa + 65 m
Striations
Branched
Speed of Contraction
Smooth
No
No
Slower
Neuro Histology Muscle
Striated
Cardiac
Yes
Yes
No
Yes
Faster
Smooth Muscle
- Ultrastructure of Myocyte
o Middle nuclei
o Fusiform
- Contractile Structure
o Proteins anchored focally inside
- In
MSK Public Health
Occupational Health
Types of Problems
- 50% Back Pain
- 12% RA/OA/OP
LITE
Load
Individual
Task
Environment
Back Pain
Incidence
3.5 million/year (UK)
Yellow Flags
Mechanism of Injury
1) Belief pain is disabling
1) Sudden excessive force
2
MSK Histology Cartilage
General characteristics
o Chondrocytes in lacunae
o No blood supply nutrients via diffusion
Hyaline
Elastic
Perichondrium
Progenitor Cells +
Chondroblasts
GAG
Fine fibrils of collagen/elastin Lots of elastin
Example
Synovial Joint
Reproduction Public Health
Sexual and Reproductive Health
Issues
Sexual Health State of physical/mental/emotional/social well-being for sexuality
- Rights education + autonomy
Pregnancy
- Rights safe abortion + infertility clinics
STIs
- Impacts
o Society
Nonwater Mass
(40%)
Urinary Physiology Fluid Balance
Total Body Weight
Total Body Water (60%)
Intracellular (2/3) Extracellular (1/3) 3rd Space
1st Space
2nd Space
- Peritoneum, Pleura, etc.
- K+, Mg2+, Protein,
Interstitial
Plasma
+
+
PO43- (ATP)
- Na ,
Urinary Anatomy Embryology
Kidney
Time
Function
Composition
Glomeruli
Proximal
Distal
Development
Position
- More cranial
Pronephros
Mesonephros
Metanephros
4th week
5th week
Non-functioning Function for short period
Permanent kidney
- Nephrotomes
- Meson
