Which of the following statements best describes the function of erythropoietin in the human body?

A. It aids in lowering oxygen levels in the blood.

B. It aids in raising levels of clotting factors in the blood.

C. It aids in raising hemoglobin levels in the blood.

D. It aids in lowering CO2 levels in the blood.

Answer Explanation:

Erythropoietin is a hormone that is produced by the kidneys and stimulates the production of red blood cells in the bone marrow. Red blood cells contain hemoglobin, a protein that binds to oxygen and transports it to the tissues. Therefore, erythropoietin helps to maintain adequate oxygen levels in the blood and prevent anemia.

Therefore, the Correct Answer is C.

Q #1: Which of the following are the two major parts of the nervous system?

A. Autonomic nervous system and central nervous system

B. Peripheral nervous system and central nervous system

C. Peripheral nervous system and somatic nervous system

D. Autonomic nervous system and somatic nervous system

Answer Explanation

The nervous system is divided into two major parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS consists of all the nerves outside of the CNS.
Q #2: Osteoporosis results from which of the following?

A. An increase in osteocyte activity while osteoclast activity continues at expected levels

B. A decline in osteoblast activity while osteoclast activity continues at expected levels

C. An increase in osteocyte activity while osteoblast activity continues at expected levels

D. A decline in osteoclast activity while osteoblast activity continues at expected levels

Answer Explanation

Osteoporosis is a condition that affects the bones, making them weak and brittle. It occurs when the balance between bone formation and bone resorption is disrupted. Bone formation is carried out by cells called osteoblasts, while bone resorption is done by cells called osteoclasts. Osteocytes are mature bone cells that maintain the bone matrix. Osteoporosis results from a decline in osteoblast activity while osteoclast activity continues at expected levels, leading to more bone loss than bone gain. This reduces the bone density and increases the risk of fractures.
Q #3: Which of the following is the atomic number of an atom that has 12 protons and 12 neutrons?

A. 24

B. 1

C. 12

D. 144

Answer Explanation

The atomic number of an atom is defined as the number of protons in its nucleus. Protons are positively charged particles that make up part of the atomic mass, along with neutrons, which have no charge. The number of neutrons can vary for atoms of the same element, resulting in different isotopes. However, the number of protons is always constant for a given element. Therefore, to find the atomic number of an atom that has 12 protons and 12 neutrons, we only need to look at the number of protons.

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Which of the following statements best describes the function of erythropoietin in the human body?

More Questions on TEAS 7 Science

Q #1: Which of the following are the two major parts of the nervous system?

Answer Explanation

Q #2: Osteoporosis results from which of the following?

Answer Explanation

Q #3: Which of the following is the atomic number of an atom that has 12 protons and 12 neutrons?

Answer Explanation

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