Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: A2 Level (Unit 4) TB Question and Answers
Description: A2 Level Biology. Unit 4 - The Natural Environment and Species Survival. TB section. Really easy, fast and effective revision resource. Questions and Answers!

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


Unit 4 – The Natural Environment and Species Survival
TB
How does TB form?
-The M
...

What are the two phases of the disease?
-Primary infection (first phase)
...

What happens during the first phase?
-The M
...

-Macrophages engulf the bacteria and a mass of tissue known as a granuloma forms as a
response to the infection
...

What is the second phase of the disease?
-It occurs if the patient’s immune system cannot contain the disease when it first arrives
...


What are the symptoms of active TB?
-Coughing: the patient may cough up blood
-Shortness of breath
-Loss of appetite and weight loss
-Fever and extreme fatigue
...

-These chemicals affect the hypothalamus and alter the set point for the core body
temperature to a higher temperature
Title: A2 Level (Unit 4) TB Question and Answers
Description: A2 Level Biology. Unit 4 - The Natural Environment and Species Survival. TB section. Really easy, fast and effective revision resource. Questions and Answers!