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Gnoma [55]
3 years ago
12

What finding should prompt further diagnostic testing in a child presenting with diarrhea? a. Blood and mucus in the stools b. G

reenish, watery diarrhea c. Frequent, large-volume diarrhea d. Periumbilical discomfort
Biology
1 answer:
DIA [1.3K]3 years ago
7 0

Answer: a. Blood and mucus in the stools.

Explanation:

Diarrhea is a gastrointestinal problem. It is associated with the symptoms of loose stools, cramps, vomiting, fatigue, and stomach pain. The diarrhea usually last for few days to week. It is also associated with the signs of dehydration due to loss of fluid through loose stools like stretchiness in skin, loss of color of skin, and fast heart rate. The diagnostics of diarrhea can be done by examining the blood and mucus in the stool.  

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Penicillin is Choose one: A. produced by a mold and was discovered accidentally. B. a human-designed antibiotic, synthesized to
NeX [460]

Answer:

Option-A

Explanation:

Penicillin is an antibiotic drug that is derived from the fungal species of Penicillium molds especially the<em> Penicillium notatum</em>.  The penicillin acts by disrupting the formation of the cell wall and thus prevents the growth of the bacteria.

The discovery of penicillin was accidental when he was studying the petridish of staphylococcus and he found that due to avoidance while the experiment, molds grew in the petridish.  The area around the mold was clear and clear rings without the bacteria were easily observed. This lead to the discovery of the penicillin compound.

Thus, Option-A is the correct answer.

4 0
3 years ago
What is the main difference between adult and embryonic stem cells
Nataliya [291]

Answer:

A variety of adult stem cells can be found, but embryonic stem cells are derived from the three germ layers. The main difference between adult and embryonic stem cells is that adult stem cells are multipotent whereas embryonic stem cells are pluripotent.





HOPE THIS HELPS, HAVE A GREAT DAY!!~

Explanation:

8 0
2 years ago
Need the Answer ASAP
egoroff_w [7]

Sexual reproduction produces genetically different offsprings which do possess variations, hence better chance to survive in the environment.

Option C

<h3><u>Explanation:</u></h3>

Sexual reproduction is the process of reproduction where there's a fusion of gametes from a male and female of the same species, resulting in a zygote and eventually an offspring. Sexual reproduction is very advanced type of reproduction which is very expensive for an organism. Much of the energy of the organism is spent to produce gametes and other necessary processes for reproduction.

Gametes of the sexual reproduction is produced mainly by means of meiotic cell division. This involves crossing over and chaismata formation which helps in genetic variations in the offspring. These variations help the species to survive unknown changes in environment, and helps to adapt quickly lessening the chances of extinction. So sexual reproduction has modified various times in different groups of species.

8 0
3 years ago
A student wants to test the hypothesis that plants need soil to grow. Identify the independent
bija089 [108]

Answer:

Independent variable: Adding/not adding soil.

Dependent variables: Does the plant grow? Amount of leaves, plant length.

Controlled variables: Type of plant used, amount of sunlight received, pot used for plant, amount of water given, temperature of soil, etc.

Explanation:

Independent variable: The thing that you want to change. To see if plants need soil to grow, you would need to either add or remove soil altogether.

Dependent variables: The thing that is being measured. By adding your independent variable, you should be able to answer certain questions.

Controlled variables: Things you want to keep the same for each experimental group. For example, if you used different plants, your results could be affected negatively as some plants might rely on soil less than others/grow at a slower or faster pace.

7 0
3 years ago
Which of the following actions acts to warm a homeothermic body?
uranmaximum [27]
Shivering

Explanation: shivering action is an act to warm a homoeothermic body. Sweating makes the body cool, panting don’t keep body warm and dilating blood vessels does not keep body warm instead constriction of blood vessels is the initial process to conserve body heat followed by waves of muscle contraction, which is nothing but shivering. Alteration of the set point in torpor is also not the right answer
4 0
3 years ago
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