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Fittoniya [83]
3 years ago
10

What are the parts of a reflex arc and their functions?

Medicine
2 answers:
coldgirl [10]3 years ago
6 0
The simplest arrangement of a reflex arc consists of the receptor, an interneuron (or adjustor), and an effector; together, these units form a functional group. Sensory cells carry input from the receptor (afferent impulses) to a central interneuron, which makes contact with a motor neuron.
Ket [755]3 years ago
3 0

Answer:

The reflex arc consists of 5 components:

sensory receptor.

sensory neuron.

integration center.

motor neuron.

effector target.

Explanation:

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Definition of expectorant​
neonofarm [45]

Answer:

a medicine which promotes the secretion of sputum by the air passages, used to treat coughs.

Explanation:

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3 0
2 years ago
You witness someone suddenly collapse the person is unresponsive
mezya [45]

Answer: Not totally certain if you have any multiple choice answers or anything but here's a general idea of what I would write in response.

Explanation: First step is always going to be asking them if they're okay, the question says they're unresponsive so you want to access the situation. If they are spasming and signs lead to them having a seizure your going to immediately call for an ambulance, don't try to restrain them unless they are potentially going to hurt themselves ie. falling off of something or hitting something dangerous nearby. Restraining them can potentially damage their nerves and muscles more than just letting them flail.

If they don't seem to be having any signs of a seizure then you want to check if they're breathing. If they aren't you need to start performing cpr. Have someone nearby call an ambulance or call 911 and ask for walk-through steps if you aren't certified, that way you know what your doing and you can have that support you if they try to sue you (which won't be a problem because of the good samaritan law anyways) You want to get them laying on their back, tilt their head and make sure nothings restricting their air flow. Then your going to do a couple breaths, if they don't start breathing you'll begin compressions. Compressions, breath, compressions breath. I reccommend looking up appropriate compression techniques for different age people and how to correctly administer if you aren't already aware since I don't want to write a whole article here- I hope this helped!

3 0
2 years ago
If an 1800-kcalorie diet contains 100 grams of fat, the percentage of kcal from the fat is: a. 20 %. b. 35 %. c. 50 %. d. 65 %.
Debora [2.8K]

Answer:

It should be about 5.4% which adds up to about 100.8 calories. None of these answer options appear to be consistent with that

Explanation:

1,800*0.20=360 kcals

1,800*0.35=630 kcals

Anything higher than those values is much too high for fat intake.

3 0
3 years ago
4) Considering the autonomic (visceral) nervous system identify which neurons are cholinergic and
Oxana [17]
<h2>Cholinergic and Adrenergic neurons</h2>

Explanation:

The autonomic nervous system (ANS) is a dual innervations system which innervates internal organs of the body through the sympathetic and parasympathetic nervous system (PNS). Depending upon the neurotransmitter and receptor used, the ANS fibers are classified as cholinergic or adrenergic neurons.

The preganglionic neurons of the sympathetic and the preganglionic and postganglionic neurons of the parasympathetic nervous system release the neurotransmitter acetylcholine (ACH) and hence are called cholinergic neurons.

The postganglionic neurons of the sympathetic nervous system releases catecholamine like norepinephrine(NE) and hence called as adrenergic neurons.

The cholinergic neurons store ACH in the synaptic terminals. They are myelinated to aid in faster neurotransmission. The ACH neurotransmitter released from preganglionic neurons activates the two receptors – nicotinic ACH and muscarinic receptors on the postganglionic neurons .

The postganglionic neurons releasing NE binds to the adrenergic receptors – Alpha 1 and 2, Beta 1, 2, and 3.

8 0
3 years ago
You are teaching a class on diseases of the ear. What would you teach the class is the most characteristic symptom of otoscleros
dolphi86 [110]
Hearing loss or ringing in the ear
7 0
2 years ago
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