This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Lung tissue receives oxygen and nutrients from the A) pleural arteries. B) pulmonary arteries. C) ... (Read 91 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
on: Feb 28, 2019
Lung tissue receives oxygen and nutrients from the
 A) pleural arteries.
  B) pulmonary arteries.
  C) pulmonary veins.
  D) coronary arteries.
  E) bronchial arteries.

Question 2

List the different types of adrenergic receptors, the responses they produce, and by what mechanisms.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Feb 28, 2019
Answer to Question 1

E

Answer to Question 2

There are two types of alpha receptors and two types of beta receptors. The alpha-1 receptor produces excitation or stimulation of metabolism. It works by activation of an enzyme and/or by release of calcium ion from internal stores. The alpha-2 receptor is inhibitory on its target cell by reducing the level of cAMP. Beta-1 receptors are stimulating and/or lead to increased energy consumption. They activate cellular enzymes. Beta-2 receptors inhibit activity or produce relaxation in smooth muscle cells. They operate through enzyme activation.


swpotter12

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Feb 28, 2019
Thanks


debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Feb 28, 2019
Welcome :)


« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Pulmonary edema. Pulmonary edema.
Two oxygen molecules in van der Waals contact Two oxygen molecules in van der Waals contact
Receptive Tissue of the Vestibular Sacs: the Utricle and the Saccule Receptive Tissue of the Vestibular Sacs: the Utricle and the Saccule
Clay Lohmann, Black Lung. Clay Lohmann, Black Lung.
Basic Food Groups and Their Major Nutrients Basic Food Groups and Their Major Nutrients
Producer acquiring energy and nutrients from the environment Producer acquiring energy and nutrients from the environment
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library