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nalin [4]
3 years ago
15

What risk factors did albert present with which would support the symptoms observed?

Biology
1 answer:
dybincka [34]3 years ago
5 0
First and most obvious one was is constant use of tobacco. Smoking can damage blood vessels and that can lead to blockages within the vessels. The single most important risk factorthough is his high blood pressure. The fact that he was skipping his meds was also not helpinghis chances. He also presented with high cholesterol which greatly increases the chances of blockages within the vessels.44.
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Which is an example of a stimulus and the accompanying response of an organism?
Mila [183]

Answer:

<em>The correct option is B) A rat scurries past, and a python strikes at it.</em>

Explanation:

A stimulus can be described as any thing or event which is detected  as a signal and a response is generated by the body of the organism for that signal. In the scenario discussed in option B)The passing of the rat acts as a signal for the python. In response to the signal, the python generates a response by striking the rat. Hence, it is an example of a stimulus and the accompanying response of an organism.

7 0
3 years ago
Agents that paralyze skeletal muscle by simple competitive inhibition of acetylcholine at muscle receptor sites are called?
Fed [463]

Agents that paralyze skeletal muscle by simple competitive inhibition of acetylcholine at muscle receptor sites are called?

a. nondepolarizing

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d. repolarizing

Answer:

a. nondepolarizing

Explanation:

As the nerve impulse arrives, the synaptic end bulbs of the motor neurons release acetylcholine in the synapse. Acetylcholine binds to its receptors present at the motor endplate. This results in the opening of an ion channel in the ACh receptor to allow the movement of the Na+ into the cell. This makes the inside of the muscle fiber more positively charged, that is, depolarized.

Depolarization triggers a muscle action potential. Drugs or chemicals that paralyze skeletal muscle by competitive inhibition of acetylcholine at muscle receptor sites are called non-depolarizing as they do not allow the acetylcholine to facilitate the depolarization of the muscle fiber.

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3 years ago
A hockey puck with a mass of 0.16 kg is sitting at rest on a frozen pond. Suddenly, the wind begins to blow, accelerating the pu
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Oliga [24]

The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.

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