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ladessa [460]
3 years ago
7

A 78 year old grandmother presents for eval of weakness in her face. She has a longstanding history of HTN that has been under f

air control. On physical exam you note that she has ptosis and miosis of the left eye and left facial anhidrosis. What is your most likely diagnosis?
A) Horner's syndrome
B) Anisocoria
C) Acute angle-closure glaucoma
D) Myasthenia gravis
Biology
1 answer:
maw [93]3 years ago
7 0

Answer:

A) Horner's syndrome

Explanation:

Horner's syndrome:

Horner syndrome occurs due to damage of nerve pathway from brain to eye and face.

In this condition particularly damage one side of the face and eye of the patient.

Symptoms:

Its symptoms include:

  • Miosis (pupil will become small)
  • ptosis (upper eyelid will drooping)
  • anisocoria (pupil size will be physically different between two eyes)
  • anhidrosis (there will be no sweating or little in rare cases)

So, The above mentioned condition proves the presence of Horner's syndrome.

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The assortment of homologous chromosomes during meiosis is random and generates genetic variation, the raw material for evolution.

During metaphase I of meiosis, homologous chromosomes are lined up at the equator plate of the cell in order to be separated (assorted) in anaphase I.

The separation of homologous chromosomes during meiosis I is random. Daughter cells receive unique gene combinations from an original parent cell.

Subsequently, haploid cells got from two successive meiotic divisions fuse during fecundation to form a diploid (2n) zygote.

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