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 133 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
Thanks for the timely response, appreciate it


Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library