Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?

A. Spectrophotometer

B. Centrifuge

C. Electro photometer

D. Microdensitometer

Answer Explanation:

A spectrophotometer is an instrument that measures the intensity of light absorbed after it passes through a sample solution. With the spectrophotometer, the concentration of a chemical substance can be determined by measuring the intensity of light detected.

Therefore, the Correct Answer is A.

Q #1: Which of the following body systems breaks down proteins into amino acids?

A. Digestive

B. Excretory

C. Circulatory

D. Endocrine

Answer Explanation

The digestive system breaks down complex food substances into small and less complex absorbable compounds. Proteins, for instance, are broken down to constituent amino acids through a digestion process that combines mastication and enzymatic breakdown.
Q #2: Which of the following describes one difference between skeletal muscles and cardiac muscles?

A. Skeletal muscles are found in the viscera whereas cardiac muscles are found in the cranium

B. Cardiac muscles contain intercalated discs, whereas skeletal muscles do not

C. Cardiac muscles are voluntary, whereas skeletal muscles are involuntary

D. Skeletal muscles are autorhythmic, whereas cardiac muscles are not

Answer Explanation

Cardiac muscles have intercalated discs that enable them to contract in a coordinated manner. Skeletal muscles do not have intercalated discs, as their contraction is under voluntary control and does not require the same level of synchronization seen in the involuntary contraction of cardiac muscle.
Q #3: Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?

A. Spectrophotometer

B. Centrifuge

C. Electro photometer

D. Microdensitometer

Answer Explanation

A spectrophotometer is an instrument that measures the intensity of light absorbed after it passes through a sample solution. With the spectrophotometer, the concentration of a chemical substance can be determined by measuring the intensity of light detected.

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Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?

More Questions on TEAS 7 Science

Q #1: Which of the following body systems breaks down proteins into amino acids?

Answer Explanation

Q #2: Which of the following describes one difference between skeletal muscles and cardiac muscles?

Answer Explanation

Q #3: Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?

Answer Explanation

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