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Ulleksa [173]
3 years ago
14

In skeletal muscle, the role of the voltage-gated Na + channel is to:

Medicine
1 answer:
Luda [366]3 years ago
5 0

Answer:

The correct option here is e) both a and c are correct

Explanation:

The voltage gated Na+ channel that is present in the skeletal muscle plays a very important role in both -

a) helps in initiating the action potential from the neuro muscular synapse over the sarcolemma and,

c) helps in increasing the  positive charge that removes the DHP block from the RYR receptor

These channels helps in initiating the action potential of a person and also in the propagation of the cells.

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What effect does the drug chloral hydrate have on the body.
leonid [27]

Answer:

slows the activity of your central nervous system

Explanation:

This medicine has both fast-acting and long-lasting sedative effects. Chloral hydrate is for short-term use as a sedative or sleep medicine.

5 0
3 years ago
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Blood in the ventricle that is destined for the pulmonary capillary beds is in contact with the:
ivolga24 [154]

Answer:

The correct answer will be option C- endothelial cells of the endocardium.

Explanation:

The pulmonary capillary bed is the network of capillaries in the lungs- alveolar region mainly where gaseous exchange takes place.

This bed receives blood from the pulmonary arteriole which arises from the pulmonary artery. The blood is pumped to this artery through the right ventricle of the heart. The right ventricle- especially the valves is lined from with the endocardium which lines it and prevents the blood from sticking to the inside of the chamber.

Therefore, the blood pumped from the right ventricle is in contact with the endothelial cells of the endocardium and option C is the correct answer.

5 0
3 years ago
Otitis media (middle ear infection) is sometimes associated with pharyngitis (sore throat). Explain why this is so.
Ganezh [65]

Answer:

Otitis media is generally caused by dysfunction of the Eustachian tube, which can be due to Pharyngitis.

Explanation:

The otitis media is an infection or inflammation of the middle ear and is mostly caused by the inflammation of the mucous membranes in the nasopharynx leading to dysfunction of the Eustachian tube. This can be caused due to a upper respiratory tract viral infection or streptococcal pharyngitis (strep throat) or due to some allergy.

Pharyngitis or sore throat is a type of inflammation caused by upper respiratory tract viral infection.

Therefore, Otitis media can be caused by Pharyngitis and thus it is associated with it.

6 0
4 years ago
What is the stop codon?
SVEN [57.7K]

Answer:

UAA, UAG, UGA are stop codons.

Explanation:

On a circle codon chart, the ones that either say stop at the end or have black boxes is what makes the stop codon.

7 0
2 years ago
How long is the antibiotic azithromycin in your system after last dose?.
mariarad [96]

Answer:

Azithromycin will be in your system for <u>around 15.5 days</u>, after the last dose.

Explanation:

Azithromycin has an elimination half-life of 68 hours. The prolonged terminal half-life is thought to be due to extensive uptake and subsequent release of drug from tissues. It takes around 5.5 x elimination half life's for a medicine to be out of your system. Therefore it would take 374 hours about 15.5 days (5.5 x 68 hours) for it to be eliminated from the system. So it'll be in your system for that period of time, after the last dose.

8 0
2 years ago
Read 2 more answers
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