Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently discovered that worm infestation can relieve the effects of certain autoimmune disorders, in which of the following ways should the hypothesis be modified, given the new findings?

A. Lack of worm infestations is the cause of some autoimmune disorders.

B. Worm infestation reduces the severity of certain autoimmune disorders

C. Worm infestation prevents the body from immune malfunction

D. Worm infestations exacerbate the body's immune reactions

Answer Explanation:

The new findings can be used to generate a hypothesis to reflect the beneficial aspect of worm infestations in certain autoimmune disorders, indicating that they can help reduce the severity of the condition.

Therefore, the Correct Answer is B.

Q #1: Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli?

A. Passive transport using carrier proteins

B. Conversion to carbon monoxide

C. Active transport using energy

D. Diffusion down a concentration gradient

Answer Explanation

Most of the carbon dioxide from the blood moves into the alveoli through the process of diffusion down a concentration gradient. In the lungs, there is a higher concentration of carbon dioxide in the blood compared to the alveoli. Its molecules, therefore, move from an area of higher concentration (blood) to an area of lower concentration (alveoli) until equilibrium is reached. This is a passive process and does not require energy or carrier proteins.
Q #2: Which of the following structures drains oxygen-depleted blood from the kidneys?

A. Renal artery

B. Urethra

C. Ureter

D. Renal Vein

Answer Explanation

The renal vein drains deoxygenated blood from the kidneys to the inferior vena cava.
Q #3: Which of the following demonstrates a chemical reaction of water?

A. Water boils to produce steam at 100° C (252)

B. Water Dissolves sugar

C. Water produces gas with sodium metal

D. Water and all separate when combined

Answer Explanation

a. Water boils to produce steam at 100°C - This is a phase change (from liquid to gas) and not a chemical reaction of water.

b. Water dissolves sugar - This is a physical change, not a chemical reaction of water.

c. Water produces gas with sodium metal - This reaction involves the chemical reaction of water with sodium metal to produce hydrogen gas.

d. Water and oil separate when combined - This is a physical separation, not a chemical reaction of water.

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Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently discovered that worm infestation can relieve the effects of certain autoimmune disorders, in which of the following ways should the hypothesis be modified, given the new findings?

More Questions on TEAS 7 Science

Q #1: Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli?

Answer Explanation

Q #2: Which of the following structures drains oxygen-depleted blood from the kidneys?

Answer Explanation

Q #3: Which of the following demonstrates a chemical reaction of water?

Answer Explanation

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