« previous next »

Author Question: The left primary bronchus divides into ____ branches and the right primary bronchus divides into ... (Read 61 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
on: Jul 17, 2018
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
Reply #1 on: Jul 17, 2018
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

nummyann

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 17, 2018
TY


akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 17, 2018
Happy to Help


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
Difference between Asian (left) and African (right) elephant ears. Difference between Asian (left) and African (right) elephant ears.
Cardinal Fields of Gaze, Left Lateral Gaze Cardinal Fields of Gaze, Left Lateral Gaze
Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b
Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ... Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ...
A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ... A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ...
Video: Rh blood type and complications during pregnancy & Fertilization

For a complete list of videos, visit our video library