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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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AveGali [126]

Answer:

a. Approximately 1,003 weasels, 3,345 mice and 16,729 wheat plants per one hawk are in the ecosystem

Explanation:

The percentage of the weasel population eaten by a hawk = 30%

The percentage of the mouse population eaten by a weasel = 30%

The percentage of the wheat plants population eaten by a mice = 20%

a. One hawk needs 330 kJ of energy per day, which gives 330 kJ × 365 = 120,450 kJ per year

Let 'x' represent the number of weasels to support one hawk, we have;

0.3 × x = 120,450 kJ/year/(400 kJ) = 301.125

x = 301.125/0.3 = 1,003.75

The number of weasels required to support one hawk per year ≈ 1,003 weasels

The total weasels ≈ 1,003

ii) The number of mice needed, y = x/0.3 = 1,003.75/0.3 = 3,345.8\overline 3

The total mice, y ≈ 3,345 mice

iii) The number of wheat flower needed, z = y/0.2

∴ The number of wheat flower needed, z = 3,345.8\overline 3/0.2 ≈ 16,729.1\overline 6

The total wheat plants ≈ 16,729.

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