Author Question: The left primary bronchus divides into ____ branches and the right primary bronchus divides into ... (Read 31 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
The left primary bronchus divides into ____ branches and the right primary bronchus divides into ____ branches.
 
 2,3
  2,2
  3,2
  3,3

Question 2

An insect or animal that transmits an infection or disease is referred to as:
 
 a vehicle
  a vector
  a vomer
  a fomite



akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

2,3

Rationale: The left primary bronchus divides into two secondary bronchi to feed the two lobes of the lung. The right primary bronchus divides into three secondary bronchi to feed the three lobes of the lung.

Answer to Question 2

a vector

Rationale: A vector is an insect or animal that transmits an infection. Examples could be fleas, ticks, or mosquitoes.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library