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ss7ja [257]
3 years ago
12

Pamela watches her cat Mr. Big swat his paw at the wall and calls out, "Crazy Big, what are you swatting at; nothing is there."

How would you explain the fact that Mr. Big can see something that Pamela cannot?
a. Cats see low-frequency, low contrast objects better than humans.

b. Cats see low-frequency, high contrast objects better than humans.

c. Cats see high-frequency, low contrast objects better than humans.

d.ats see high-frequency, high contrast objects better than humans.
Medicine
1 answer:
Advocard [28]3 years ago
8 0

Answer:

a. Cats see low-frequency, low contrast objects better than humans.

Explanation:

Mr. Big is able to see something that Pamela does not see because cats have a wider field view of about 200 degrees while that of humans is about 180 degrees.

Cats eyes have 6-8 times more rod cells, which are more sensitive to low light, than that of humans. Their elliptical eye shape, large tapetum and cornea help to gather light for better vision at night.

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The values obtained when taking blood pressure, such as 120/80,
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Answer:

The correct answer will be option B.

Explanation:

Blood pressure represents the pressure of the blood in the major arteries of the body.

This blood pressure increases in the arteries when the ventricle contracts to push the blood to the major artery by a mechanism called ventricular systole. This increased blood pressure number is known as systolic blood pressure which is usually 180 mm of Hg.

The blood pressure decrease in the artery due to ventricular diastole during which ventricles relaxes. This lower number of blood pressure is known as diastolic blood pressure which is 80 mm of Hg.

Thus, option B is the correct answer.

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According to the 2011 University of Michigan survey, the percentage of high school seniors who have used barbiturates in their l
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Answer:

I think it was 17%

Explanation:

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2. Which type of spinal nerve occurs at the bottom of the spinal column?
mafiozo [28]

Answer: Hi, there your answer to your question will be C.coccygeal

Hope this helps :)

Explanation:

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Why might enlargement of the prostate gland affect urination?
elena-14-01-66 [18.8K]
“The prostate is a gland that produces the fluid that carries sperm during ejaculation. The prostate gland surrounds the urethra, the tube through which urine passes out of the body.

Male reproductive anatomy
An enlarged prostate means the gland has grown bigger. Prostate enlargement happens to almost all men as they get older.

An enlarged prostate is often called benign prostatic hyperplasia (BPH). It is not cancer, and it does not raise your risk for prostate cancer.

Enlarged prostate glandWatch this video about:
Enlarged prostate gland
Causes
The actual cause of prostate enlargement is unknown. Factors linked to aging and changes in the cells of the testicles may have a role in the growth of the gland, as well as testosterone levels. Men who have had their testicles removed at a young age (for example, as a result of testicular cancer) do not develop BPH.

Also, if the testicles are removed after a man develops BPH, the prostate begins to shrink in size.

Some facts about prostate enlargement:

The likelihood of developing an enlarged prostate increases with age.
BPH is so common that it has been said all men will have an enlarged prostate if they live long enough.
A small amount of prostate enlargement is present in many men over age 40. More than 90% of men over age 80 have the condition.
No risk factors have been identified, other than having normally-functioning testicles.
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