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6. Pathogens cause symptoms by...

  • damaging cells or producing toxins
  • dying and producing waste
  • activating the boy's immune system
  • killing white blood cells

7. What is Thrombosis?

  • cholesterol blocking the artery
  • plaque that blocks the artery
  • blood clots that block the artery
  • weak heart muscles

8. An example of Homozygous =

  • AA or aa
  • Aa or aA
  • Aaa
  • aaA

9. Carbon Monoxide ...

  • increases blood pressure by combining with the haemoglobin
  • decreases blood pressure by combining with oxygen
  • decreases blood pressure by combining with the haemoglobin
  • increases blood pressure by combining with oxygen

10. What are memory cells NOT called?

  • Lymphocytes
  • M cells
  • T cells

11. Spinal Reflex

  • receptor -> sensory neurone -> relay neurone
  • CNS -> receptor -> sensory neurone -> stimulus-> motor neurone -> effector -> response
  • receptor -> sensory neurone -> relay neurone ->motor neurone -> effector
  • sensory neurone -> relay neurone ->motor neurone -> effector

12. What is stored in the liver as glycogen?

  • Carbohydrates
  • Starch
  • Sugars
  • Fats

13. Alcohol damages the liver because...

  • the toxic chemical causes cirrhosis as it is broken down
  • the toxins cause cirrhosis as the alcohol is broken down
  • the liver cannot cope
  • the liver is poisoned

14. Reflex Arc

  • CNS -> receptor -> sensory neurone -> stimulus-> motor neurone -> effector -> response
  • stimulus -> receptor -> sensory neurone -> motor neurone -> effector -> response
  • stimulus -> receptor -> sensory neurone -> CNS -> motor neurone -> effector -> response
  • stimulus -> receptor -> motor neurone -> effector -> response

15. What does not raise Blood Pressure

  • Healthy DIet
  • Being overwieght
  • Salt
  • Stress

16. Fats are stored...

  • under the skin and around organs as muscle
  • under the skin and around organs as adipose tissue.
  • under the skin and around organs as glucose
  • under the skin and around organs as glycogen

17. What causes heart disease?

  • Salt
  • Restricted blood flow to the heart due to plaque
  • Thrombosis
  • Smoking

18. Whats the difference between Genotype and Phenotype?

  • genetic makeup - what is expressed
  • What is expressed - genetic makeup

19. Maleria is caused by...

  • Stagnant water
  • A parasite protozoan called Plasmodium
  • A vector called Plasmodium
  • A parasite, the mosquito

20. Systolic pressure is ...

  • the pressure on the brain
  • the pressure measured after death
  • the maximum pressure
  • the pressure in between beats