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fenix001 [56]
3 years ago
8

A 72-year-old woman with complaints of increasing fatigue has completed a series of fecal occult blood tests that indicate the p

resence of blood in her stool. Which of the following health problems is likely to accompany this patient's gastrointestinal bleed?
A) Hemolytic anemia
B) Aplastic anemia
C) Iron-deficiency anemia
D) Megaloblastic anemia
Biology
1 answer:
amm18123 years ago
7 0

Answer: C) Iron-deficiency anemia

Explanation:

Iron anemia or deficiency of iron is a condition in which blood lacks adequate amount of healthy red blood cells. In this condition the body does not contain enough iron so as to produce hemoglobin. The blood loss from the body, inability of the body to absorb the iron from the food, pregnancy all can also be the cause of iron- deficiency anemia. For the identification of this condition the blood can be seen in the stool,brittle nails, weakness, extreme fatigue, and pale skin can be looked upon.

Thus C is the correct option.

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The total number of organisms an ecosystem can support is its tolerance range.
Ostrovityanka [42]

Answer:

False

Explanation:

The <u>carrying capacity</u> of an ecosystem is the total number of creatures that it can sustain.

6 0
2 years ago
What living systems have distinct structures and sets of functions? Be sure to refer to class notes for
Murrr4er [49]

Answer:

Cells.

Explanation:

A cell can be defined as the structural, fundamental, biological and functional unit of life. Cells are found in all living organisms because they are the basic unit of life.

Generally, cells have the ability to independently replicate themselves. These cells can be compared to the kind of structures found in a business or factory, where you have different workers performing different functions.

In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles.

<em><u>Factory worker = Cell organelle.</u></em>

1. Chief executive officer = Nucleus.

  • The nucleus controls all the activities taking place in the cell and the synthesis of proteins.

2. Power house = Mitochondrion.

  • The mitochondria provides all the energy required in the cell by transforming energy forms.

3. Maintenance team = Lysosomes.

  • They are responsible for absorbing materials and breaking the materials taken in by the cells.

4. Functional managers = Chromosomes.

  • They give sets of instructions for the synthesis of products.

5. Assembly line workers = Ribosomes.

  • They are involved in the build up of proteins.

6. Assembly line = Endoplasmic Reticulum.

  • This is where the ribosomes perform their tasks.

7. Security and support = Cytoskeleton.

  • They help to maintain and support the shape of the cells.

8. Drivers or messengers = Vesicles.

  • They ensure proteins are properly transported to the right and exact location.

9. Packaging unit = Golgi apparatus.

  • Prepares the protein for export by chemically tagging them.

10. Gate man/procurement unit = Cell membrane.

  • It is the wall of the cell and typically controls what leaves and enters the cell.

Hence, cells are living systems that have distinct structures and sets of functions.

8 0
3 years ago
if a man cuts his hand and blood does not clot, which one is present in less number in blood among rbc, wbc and platelets
Schach [20]

Answer:

platelets

Explanation:

platelets clot to plug the holes in the blood vessels and stop the bleeding . if the blood doesn't clot it means there is a low amount of platelets

4 0
2 years ago
At the end of the electron transport chain, where is the light energy that was absorbed and converted by
stepan [7]

Answer:In light-dependent reactions, the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules like ATP and NADPH. Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts

Explanation:

8 0
3 years ago
Use the picture to match the numbered label to the name of the organelle that it is pointing to.
hodyreva [135]

the answer is

Explanation:

20÷ cell membrane

18÷nucleus

17÷mitochondria

21÷ cytoplasm

19÷lysosome

6 0
3 years ago
Read 2 more answers
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