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matrenka [14]
3 years ago
7

What do scientists mean when they refer to a

Biology
1 answer:
stellarik [79]3 years ago
6 0

Answer:

d.

Explanation:

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An sixty-year-old man has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his
Musya8 [376]

Answer: shingles, varicella-zoster virus

Explanation:

It should be noted that shingles usually occur with old people and it causes a painful rash when the chicken pox virus is reactivated in the body.

Since the man is old and has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his lumbar area and also has a history of chickenpox, it's very likely it is shingles.

3 0
2 years ago
Ringing in the ears is called:
Elza [17]

Answer:

c. tinnitus

Explanation:

Tinnitus (a hearing impairment) is a form of  hearing of sound when no external sound is present Which is often described as a Ringing,Tinnitus may also sound like a clicking or roaring. i.e usually unclear voices or music are heard. The sound may be soft or loud, low or high pitched, and appear to be coming from one or both ears. Ranging from one person to another, the sound may causes depression or anxiety and can interfere with concentration.

Otitis externa is a condition that causes inflammation , the inflammation also covers  (redness and swelling) of the external ear canal, i.e the tube between the outer ear and eardrum.

Meniere's disease popularly called (MD), is a disorder of the inner ear that is characterized by episodes of feeling like the world is spinning (vertigo), hearing loss, and a fullness in the  ear. The cause of MD involves both genetic and environmental factors. Some of the factors include constrictions in blood vessels, viral infections, and autoimmune reactions.

Otosclerosis is a condition where one or more foci of irregularly laid spongy bone replace part of normally dense enchondral layer of bony otic capsule in the bony labyrinth. This condition affects one of the ossicles (the stapes) resulting in hearing loss, vertigo or a combination of symptoms.

Therefore from the foregoing we can conclude that Tinnitus is the correct anwser.

4 0
3 years ago
Read 2 more answers
HELP PLEASE SHOW WORK
Goshia [24]

Answer:

1. 46grams

2. 5moles

3. 476 atoms

4. 6,995,268

7 0
2 years ago
Rocks can melt without changing temperature when the pressure exerted on them is
never [62]
By low temperature, it can melt. High pressure will raise the  melting point of the rock.  
4 0
3 years ago
Read 2 more answers
Have a few questions all science plz help
Dafna1 [17]
The first one is Earthquake, second one is nuclear fission, and the last one idk
3 0
3 years ago
Read 2 more answers
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