The most terminal portion of the respiratory system is: alveoli ...

[ashley]

The most terminal portion of the respiratory system is:
 
 alveoli
  secondary bronchi
  terminal bronchioles
  primary bronchi

Question 2

Immediate symptoms that appear after acute radiation exposure are referred to:
 
 GI syndrome
  manifest syndrome
  prodromal syndrome
  latent syndrome

[ApricotDream]

Answer to Question 1

alveoli

Rationale: Alveoli are the small sacs that extend from the terminal bronchioles. The alveoli are directly involved with oxygen and carbon dioxide exchange.

Answer to Question 2

prodromal syndrome

Rationale: Prodromal symptoms will appear hours after a whole body exposure of 100 rad or more.

[ashley]

Thanks for the timely response, appreciate it

[cici]

Excellent