« previous next »

Author Question: Caffeine appears to initiate its effects by a. Agonizing adenosine 1 and 2a receptors. b. ... (Read 47 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jun 22, 2018
Caffeine appears to initiate its effects by
 
  a. Agonizing adenosine 1 and 2a receptors.
  b. Inhibiting the reuptake of dopamine and norepinephrine.
  c. Antagonizing adenosine 1 and 2a receptors.
  d. Facilitating the presynaptic release of dopamine and norepinephrine.

Question 2

Caffeine
 
  a. Worsens attention.
  b. Promotes wakefulness.
  c. Diminishes endurance.
  d. Diminishes motor activity.


s.meritte

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Photograph of the retina of the eye. The optic disk appears yellow and the retinal arteries radiate Photograph of the retina of the eye. The optic disk appears yellow and the retinal arteries radiate
The effects of Vodka, a chronicle The effects of Vodka, a chronicle
Receptors in the autonomic nervous system: (a) sympathetic division; (b) parasympathetic division Receptors in the autonomic nervous system: (a) sympathetic division; (b) parasympathetic division
Dental Related Adverse Effects in Patients Undergoing Cancer Treatment Dental Related Adverse Effects in Patients Undergoing Cancer Treatment
Athletes sometimes take supplements, such as creatine or caffeine, to enhance their athletic perform Athletes sometimes take supplements, such as creatine or caffeine, to enhance their athletic perform
Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ... Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ...
Video: Simple and Double Sugar

For a complete list of videos, visit our video library