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Sergio039 [100]
1 year ago
13

Messages in the

Medicine
1 answer:
Lady_Fox [76]1 year ago
4 0
A. Nervous system can have messages travel at 1/1000 of a second or faster
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Put these events in the correct chronological sequence.
In-s [12.5K]

Answer:

The correct answer will be:

1.  Acetylcholine binds to receptors on the motor end plate

2. Chemically-regulated ion channels open, causing depolarization

3  End plate potentials trigger action potential(s).

4. Transverse tubules convey potentials into the interior of the cell

5. Ca++ is released from the sarcoplasmic reticulum

6. Ca++ binds to troponin, pulling on tropomyosin

7. Binding sites on actin are uncovered, allowing myosin to bind and carry out power strokes

8. Force increases.

9. Ca++ is pumped (re-sequestered) into the sarcoplasmic reticulum

10.  Force decreases.

Explanation:

The muscle contraction is a highly controlled mechanism which begins at the neuromuscular junction with the release of the acetylcholine neurotransmitter. This neurotransmitter causes the depolarization of the membrane by binding to the receptors of the motor end plate which generates an action potential. This action potential is transmitted via T-tubules from sarcolemma to the sarcoplasmic reticulum.  

The sarcoplasmic reticulum releases calcium ions which binds to the troponin protein. This troponin removes the protein tropomyosin from the actin causing the rotation of the tropomyosin exposing the binding sites for myosin. The myosin binds to the actin using energy from the ATP which pulls the actin causing contraction. Another ATP binds the myosin head which weakens the bond between myosin and actin which releases the myosin which decreases the force between them decreases and the muscles relax.

8 0
3 years ago
Flooding is an example of what type of therapy?
Advocard [28]

Answer:

"Flooding (also known as implosion therapy) works by exposing the patient directly to their worst fears. (S)he is thrown in at the deep end. For example a claustrophobic will be locked in a closet for 4 hours or an individual with a fear of flying will be sent up in a light aircraft"

Explanation:

so i would say psychodynamic because its a study of human behavior, feelings, and emotions and how they might relate to early experience.

hope this helps you! ( i kno its 2 weeks later! sorry )    :)

5 0
3 years ago
The nurse has just completed an admission assessment of the client with anorexia. When documenting the mental status exam findin
Archy [21]

Answer:

b. "Others are just trying to keep me from looking good."

Explanation:

7 0
2 years ago
List three tools and equipment needed for baking​
Nonamiya [84]

Answer:

Spoons, cups, bowls

EXPLANATION:

3 measuring tools

8 0
3 years ago
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Why is the rat's uterus such a different shape than<br> a human's pear-shaped uterus?
Mashutka [201]

Answer:

Gross Anatomy

Rats have a duplex uterus that consist of two separate uterine horns that are partially fused caudally.

8 0
3 years ago
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