This topic contains a solution. Click here to go to the answer

Author Question: The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n) A) ... (Read 81 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)
 A) debris filter.
  B) mucus escalator.
  C) respiratory rhythmicity center.
  D) smooth slick surface allowing particles to slide.
  E) increased surface area for gas exchange.

Question 2

An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
 A) activates 1 adrenergic receptors.
  B) activates 2 adrenergic receptors.
  C) activates muscarinic cholinergic receptors.
  D) blocks 2 adrenergic receptors.
  E) activates 2 adrenergic receptors or activates muscarinic cholinergic receptors.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

B





 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library