Phys Exam 2

Question 1

Brain slicing?

Answer 1

Horizontal/axial (across/around)
Sagittal (split brain possible)
Coronal (parallel to cara)

Question 2

Pathological aging: dementia

Answer 2

Global loss of intellectual and interactive functions of the brain. Gradual and irreversible except delirium.

Question 3

Diencephalon different into?

Answer 3

Thalamus, hypothalamus, epithalamus, subthalamus, 3rd ventricle

Question 4

AD mechanisms of dementia

Answer 4

1. Abnormal protein accumulations
2. Neuronal death & damage
3. Decrease ACh (bc ChAT)
4. Loss critical populations of neurons

Question 5

Hypothalamus functions

Answer 5

Body temp
Hunger satiety
Thirst hydration
Circadian rhythm
Stress response
Sexual behaviors
Menstrual cycle, fertility
Immune system regulation

Question 6

Three nuclei of hypothalamus

Answer 6

Lateral, medial, paraventricular

Question 7

Tend and befriend hormones?

Answer 7

Oxytocin
Estrogen
Endogenous opioids

Question 8

2 phases of mental cycle

Answer 8

Follicular
Luteal