1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zalisa [80]
3 years ago
5

Which causes vasoconstriction? a. α-Adrenergic antagonist b. Calcium channel blocker c. Acetylcholine d. Norepinephrine

Biology
1 answer:
Softa [21]3 years ago
5 0

Answer: Option D) Norepinephrine

Explanation:

Norepinephrine, also known as noradrenaline acts as both a hormone and neurotransmitter.

Its effects is similar to epinephrine, in that during stress conditions epinephrine stimulates the heart to beat and pump blood faster, while norepinephrine helps to maintain blood pressure, causing the narrowing of the blood vessels, known as vasoconstriction.

You might be interested in
Nitrogen is one the important elements for life. Nitrogen is present in dna and proteins.
ryzh [129]

Answer:

This is anmy science question so you can see this answer from meritnation

Explanation:

5 0
3 years ago
Someone help me answer these questions, I’ll give brainlyyyy :))
Gnesinka [82]
1. The organisms at lower trophic levels have more consumable energy which provides the whale with more energy that organisms at other trophic levels.
2. Agree
3. Depending on the food chain, organisms can be on multiple trophic levels. For example, lions can be both a tertiary and secondary consumer.
7 0
3 years ago
What does each phase of mitosis look like.
mr Goodwill [35]

Answer:

Bruh. What the dude said upctopcis correct ^^

Explanation:

5 0
3 years ago
Plz help!! <br> Will be marked BRAINLIEST if right
Kisachek [45]
- Increased due to being able to eat larger seeds

- False

- True

Hope this helps!
6 0
2 years ago
Read 2 more answers
Which would be most effective in reducing indoor air pollution in an environment high in volatile organics (VOCs)? A) cover the
Lunna [17]
The correction option is VENTILATE THE AREA.
In order to reduce indoor air pollution, the best thing to do is to ventilate the area. Ventilation involves provision of fresh air into a room in order to flush out and eliminate indoor pollution.
5 0
3 years ago
Other questions:
  • To avoid such dangerous results, it is important to give a patient compatible blood. Which type of blood can a person with Type
    15·1 answer
  • Organisms well suited to their environment:
    13·2 answers
  • The density of water is greatest at which of the following temperatures?
    13·1 answer
  • CAMP activates cAMP-dependent protein kinase by
    7·1 answer
  • The shape of a dna molecule is best described as an
    6·2 answers
  • What is an advantage of using totipotent cells instead of pluripotent cells for medical treatments?
    11·2 answers
  • Let the ruling classes tremble at a Communistic revolution. The proletarians [common people] have nothing to lose but their chai
    9·1 answer
  • Which best contrasts a bacterium and a virus?
    10·1 answer
  • What is photosynthesis <br>and precipitating??​
    6·1 answer
  • Check this for me pls
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!