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

Author Question: The respiratory portion of the respiratory tract includes the A) bronchi. B) trachea. C) larynx. ... (Read 120 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
The respiratory portion of the respiratory tract includes the
 A) bronchi.
  B) trachea.
  C) larynx.
  D) alveoli.
  E) nose.

Question 2

A certain drug decreases heart rate by blocking a receptor on cardiac pacemaker cells. This drug probably binds to ________ receptors.
 A) nicotinic cholinergic
  B) muscarinic cholinergic
  C) alpha-1 adrenergic
  D) alpha-2 adrenergic
  E) beta-1 adrenergic



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

E




magmichele12

  • Member
  • Posts: 559
Reply 2 on: Feb 28, 2019
Gracias!


raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library