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The man tested positive for a pregnancy test because not only is human chronic gonadotrophin (HCG) a hormone produced by the placenta after an embryo is planted in the uterus, but, it is also a hormone produced by cancerous tumours, which in this case was testicular cancer. The job of the pregnancy test is to detect this hormone so when the man took the pregnancy test, it detected the presence of HCG. Because men cannot get pregnant it was concluded that the man had not tested positive for being pregnant but for having testicular cancer.

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Lesson 6(Why did the man tested positive for a pregnancy test?)

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Lesson 6(Why did the man tested positive for a pregnancy test?)

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What a pregnancy test looks for is the presence of elevated levels of the hormone, Human Chorionic Gonadotropin ( hGC). It's produced when an embryo has attached itself to the lining of the uterus. There are certain types of testicular cancers that also release this hormone, one extremely rare type is called '' Choriocarcima''. Thus if the man has elevated levels of (hGC) he could have testicular cancer resulting in a positive pregnancy test. Human Chorionic Gonadotropin  main purpose in pregnancy is to keep the lining of the uterus thick during the first trimester. It does this by promoting the secretion of another hormone, 'progesterone' by the ovaries. So the pregnancy test result tested positive because it detected the hormone ( hGC) in the man's urine. No the man is not pregnant. Males cannot get pregnant.

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The man may have tested positive on the pregnancy test due to the fact that he had a tumorous cancer such as carcinoma or testicular cancer, these cancers produce the hormone  Human chorionic gonadotropin ( HCG) which is detected in blood and urine pregnancy test

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The man tested positive because the pregnancy test detected the human chorionic gonadotrophin (HCG) hormone. The is hormone is produced by cancerous tumors and supports the production of progesterone, the male hormone. This gentleman probably has cancer.

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The man tested positive for the hormone, human chorionic ganadotrophin (HCG), because he had a cancerous tumor. For example, carcinoma, testicular cancer, etc. These cancerous tumors produce these hormones. This hormone is produced in women when pregnant, by the placenta after the embryo is implanted in the uterus. HCG is the hormone which is detected in the urine when taking a pregnancy test to prove positive. So when a man has a cancer tumor, and this hormone (HCG) is produced, when he takes a pregnancy test, it will result as positive. It did not mean that the man was pregnant.

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The man tested positive for pregnancy because the man may have had testicular or other cancers . Cancers can produce HCG. Pregnancy tests detect this hormone. Excess hormones are secreted from the blood and into the D.C.T, so when it reaches the C.D, it is then combined into the urine. Pregnancy tests require urine to produce a result so the pregnancy test detected the HORMONE . *males don't get pregnant*

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Lesson 6 - Why did the man test positive for pregnancy.

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Lesson 6 - Why did the man test positive for pregnancy.

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The man tested positive for pregnancy because he had the cancer tumour which produces Human Chorionic Gonadotrophin. Excess hormones may have been secreted from the blood into his DCT, but not because it was produced in his placenta after an embryo was implanted in his uterus, but because he has a cancerous tumour(testicular or carcinoma cancer) which produces the same hormone, HCG. Therefore when he took the pregnancy test it came out positive.

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Explain why the man tested positive for pregnancy.
The man tested positive for pregnancy because his body secreted excess HCG which is the hormone that pregnancy tests test for
Another reason for this positive pregnancy test is that the man had a cancerous tumor (for example E.G carcinoma, testicular cancer ect...) which also produces this hormone

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The kangaroo rat is considered the king of the desert because it does not get its water supply by drinking water but by the intake of seeds and nuts.The function of the loop of Henle of the nephron is the reabsorption  of water and sodium chloride.The loop of Henle in the nephron of a kangaroo rat is very long, this provides more reabsorption of water in the body.These organisms produce highly concentrated urine in small amounts because most to all of the water in the filtrate in the nephron has been reabsorbed in the blood capillary.Kangaroo rats only have sweat glands in their feet and oily coats which prevent the loss of water from their bodies.They are nocturnal and during the day remain in underground burrows which also helps reduce the amount of water lost through breathing.Their nasal passages are at a lower temperature than their body temperature. Air exhaled from the lungs cools as it passes through the nose. This causes water vapour exiting the to condense on the inside of the nose, where it is reabsorbed back into the body.
All of these adaptations prove that the Kangaroo rat is the king of the desert.

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Kangaroo rats are desert dwelling rodents known for their remarkable ability to conserve water. They can sustain themselves with minimal water intake, sometimes only consuming seeds and certain vegetation for hydration and substance. While ordinary animals may not be able to survive in the harsh conditions that these rodents endure, they seem to thrive in the extremes. They have several specific adaptations that allow for survival including behavioral, morphological and dietary means

The kangaroo rat’s Loop of Henle is much longer than that of other rodents. This suggests that the kangaroo rat’s amazing ability to survive in deserts may be an adaptation from an original created rodent kind. The kangaroo rat’s behaviour and habitat complement its physiological features

About 90% of the kangaroo rat's daily water supply is generated from oxidative reactions in its cells. (Humans, by contrast, can make up only 12% of their daily water needs from this source.) The remaining 10% of the kangaroo rat's water comes from its food. These structural and behavioral adaptations are so effective that a kangaroo rat can survive in the desert without ever drinking water.

Another behavioural pattern displayed by kangaroo rats it that of sand bathing . Sand bathing is crucial in removing oils to acceptable levels from the hair of these rodents. When the hair is excessively oiled it reduces the insulating effects. If oil is deficient dorsal glands are located on Kangaroo rats in which secretions are applied evenly. These secretions are suspected to aid in prevention of water loss and insulation. This process usually occurs upon awakening and once more before dawn.

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The kangaroo rat is a rodent, but it is unlike any other rodent. It is able to survive in the desert without drinking water.
The Kangaroo rat is adapted to the life in arid conditions because the nephron of the kangaroo rat has a longer loop of Henle which makes the rodent's urine as concentrated as possible and limit the amount of water and salt they lose. This helps the kangaroo rat to live for long periods of time on minimal amounts of water. Also, their body temperature exceeds outer temperature, which prevents the losing of water via sweating.

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The Kangaroo Rat is almost adapted to life in the desert. They can survive without ever drinking any water. They get the needed moisture and water from their seed diet which has a high level of water content. They eat seeds from a variety of desert grasses as well as mesquite beans, on occasions they will eat green vegetation and insects.
These rats don't sweat or pant like other animals to keep cool because that would cause them to lose water from their bodies. The Kangaroo Rat produces the most concentrated urine of all mammals and only passes a few drops per day. The rats' loop of Henle is much longer than that of other rodents. This suggests the kangaroo's ability to survive in deserts may be an adaptation from an original created rodent kind. Kangaroo rats' are amazing creatures with incredible features that enable them to survive in their desert habitat. They are certainly wonders of creation.

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https://padlet.com/aresadavis/hcettatcgcug

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The Kangaroo rat is known as the king of desert because it's amazing ability to conserve water compared to other animals.The kangaroo rat can sustain themselves with minimal water intake, sometimes only consuming seeds and certain vegetation for hydration and substance. While ordinary animals may not be able to survive in the harsh conditions that these rodents endure, they seem to thrive in the extremes.This is so because it's long loop of henle so it is able the conserve/reabsorb more water.

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The kangaroo rat’s Loop of Henle is much longer than that of other rodents. This suggests that the kangaroo rat’s amazing ability to survive in deserts may be an adaptation from an original created rodent kind. The kangaroo rat’s behaviour and habitat complement its physiological features.

The kangaroo rat's kidneys are especially efficient and produce only small quantities of urine, which is highly concentrated. They are said to have very long loops of Henle. These long loops of Henle give a greater opportunity for water to be reabsorbed. This is because the increase in concentration of ions deep in the medulla is effectively proportional to the length of the loops of Henle.

Kangaroo rats can concentrate urea to 3,500 mmol/l, whereas humans can only concentrate urea to 400 mmol/l

The proportion of nephrons with long loops extending deep into the kidney medulla is very high, which allows Kangaroo rats to excrete urine that is 20 times more concentrated than body fluids. Further, most of the water in the feces is absorbed in the large intestine and rectum. Lacking sweat glands, kangaroo rats lose little water by evaporation from the body surface.

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Due to the longer loop of henle in the kangaroo rat compared to a human's loop of henle, more water reabsorption occurs . The kangaroo rat is almost perfectly adapted to life in the desert. They can survive without ever drinking any water, getting needed moisture from their seed diet. therefore there would be less water found in their urine. This is why the kangaroo rat is known as the "King of the Dessert"

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The kangaroo rat is considered the king of the desert because, compared to humans, the rat has a long loop of henle. This ensures more water reabsorption which means less  water in his urine. (little urine). The kangaroo rat is almost perfectly adapted to life in the desert. They can survive without ever drinking any water, getting needed moisture from their seed diet. Kangaroo Rats don't sweat or pant like other animals to keep cool because that would cause them to lose water from their bodies. This is important as it ensures that none is lost and every bit, seeing that it is a little amount is used for its function. The Kangaroo Rat's kidney is made in such a way that it allows the rat to excrete waste without losing much water.

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Soooo This kangaroo rat... why is he the "King of the Desert?"

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Soooo This kangaroo rat... why is he the "King of the Desert?"

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Does he deserve that crown?

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Hello girls, I hope you made your way here ok. In some of our sessions we will be using this tool, to answer questionsfrom the activities either individually or group, pose questions and also to encourage dialogue and feedback between posts.

Remember to put your name or group name in the tilte to identify each other. Have fun!