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Phoenix [80]
2 years ago
15

35 year old man comes to the physician because of severe midline back pain during the past 4 weeks. He has gained 8Kg(18lb) duri

ng the past 6 months. Visual field testing shows decreased peripheral vision in both eyes.An x-ray of the chest shows compression fractures at T10 and L1. There is a healing left rib fracture posteriorly at T8. Imaging studies show a pituitary macroadernoma. The most likely cause of his condition is a tumor producing which of the following hormones?
A. acthB. growth hormoneC. luteinizing hormoneD. prolactinE. thyroid-stimulating hormone.
Biology
1 answer:
Anit [1.1K]2 years ago
3 0

Answer:  the correct answer is A. ACTH

Explanation:

ACTH  stands for Adrenocorticotropic hormone  Adrenocorticotropic hormone (ACTH, also adrenocorticotropin, corticotropin) is an important component of the hypothalamic-pituitary-adrenal axis and is often produced in response to biological stress (along with its precursor corticotropin-releasing hormone from the hypothalamus). Its principal effects are increased production and release of cortisol by the cortex of the adrenal gland. ACTH is also related to the circadian rhythm in many organisms.

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Which pair of alleles does not represent a Homozygous gene pair?
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Answer:Bb

Explanation:

Homozygous gene pair are pair of allele that are identical e.g BB

Heterozygous gene pair are pair of allele that are not identical e.g Bb

Heterozygous gene pair could show complete dominance where the Allele for dominant will completely mask the effect of the reccessive allele and the individual will express the trait of the dominant allele.

6 0
3 years ago
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Impression materials that have mechanical properties permitting considerable elastic deformation but that return to their origin
ahrayia [7]

Answer:

Elastomeric

Explanation:

An elastomer is a polymer whose main characteristic is elasticity and can even recover its shape after being deformed

The chemical composition of an elastomer is the grouping of thousands of molecules called monomers, which join together forming huge chains. These large chains of polymers are those that give elasticity since they are flexible and are intertwined in a very messy way.

When an elastomer is stretched, its molecules align, allowing many times to take a crystalline appearance. However, upon releasing the tension, it immediately returns to its original state of elastic disorder. The above distinguishes elastomers from plastic polymers.

3 0
3 years ago
Known as the _____ vegetables, cabbage, cauliflower, broccoli, and brussels sprouts contain a variety of phytochemicals that def
Nastasia [14]

Answer:

Cruciferous

Explanation:

Their consumption is linked with lower rates of cancer and is believed to be associated with their sulfur containing phytochemicals

3 0
3 years ago
Which geological feature is most common at oceanic-continental convergent boundaries?
alex41 [277]

Trenches are geological feature is most common at oceanic-continental convergent boundaries.

Explanation:

Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.

As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.

Learn More:

For more on geological features of tectonic plate boundaries check out;

brainly.com/question/11726099

brainly.com/question/2011799

#LearnWithBrainly

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3 years ago
How are centipedes adapted for a predatory way of life?
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Centipedes are carnivores, they use venom to kill their prey. They are preyed upon by birds, toads and shrews.
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2 years ago
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