Bio - part II

Question 1

What do the peripheral nervous system composed of?

Answer 1

Nerves and ganglia, outside of the brain and spinal cord

Question 2

What is the main function of the peripheral system?

Answer 2

Connect the CNS to limbs and organs

Question 3

What is the role of the autonomic?

Answer 3

Regulate activities under unconscious control

Question 4

What is the role of the somatic?

Answer 4

Regulate activities under conscious control

Question 5

What is the role of the sympathetic

Answer 5

Responds to danger - increases heartbeat and blood pressure

Question 6

Parasympathetic????

Question 7

What is the role of the Entric?

Answer 7

The digestive system - works independently

Question 8

Describe the three grades of a concussion: mild, moderate and severe

Answer 8

Mild - No loss of consciousness and amnesia < 30 min
Moderate - Loss of consciousness is less than 5 minutes and amnesia lasts over 30 min
Severe - loss of consciousness for more than 5 minutes and amnesia lasts more than 24 minutes

Question 9

List three common causes of concussions

Answer 9

1. Sports
2. Vehicle accidents
3. Falling

Question 10

List 5 symptoms of a concussion

Answer 10

• amnesia
• loss of consciousness
  -nausea
  -memory loss
• slurred speech

Question 11

Describe 1. external barriers 2. Inflammatory response and 3. Immune response

Answer 11

1. Skin
2. Swelling, cuts, white blood cells
3. T lymphocytes and B lymphocytes

Question 12

What substances trigger an immune response?

Answer 12

Antigens

Question 13

What is a lymph node? Why are they good?

Answer 13

A small mass of tissue that contains lymphocytes
And filter out pathogens