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

Centrifuge

Spectrophotometer

Microdensitometer

Electrophorometer

Answer and Explanation

The Correct Answer is B

The correct answer is b. Spectrophotometer. A spectrophotometer is a tool that can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample. Turbidity is a measure of the cloudiness or haziness of a liquid caused by the presence of suspended particles. A spectrophotometer measures the amount of light that passes through the sample and compares it to the amount of light that passes through a reference sample to determine the turbidity.

a. A centrifuge is a tool used to separate components of a mixture based on their densities, not to measure

turbidity.

c. A microdensitometer is a tool used to measure the optical density of an image, not to measure turbidity.

d. An electrophorometer is a tool used to separate charged particles based on their size and charge, not to measure turbidity.

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Correct Answer is B

Explanation

Emphysema is a lung condition that is caused by damage to the alveoli, the tiny air sacs in the lungs where gas exchange occurs. When the alveoli are damaged, the body has difficulty exchanging oxygen and carbon dioxide. This can lead to shortness of breath and other respiratory problems. The other options are not directly related to the function of the alveoli or the eﬀects of emphysema.

A. Monocytes B. Platelets C. Fibrinogen D. Lymphocytes

Correct Answer is C

Explanation

Fibrinogen. Fibrinogen is a protein present in blood plasma that plays a key role in blood clotting. When an injury occurs and bleeding begins, fibrinogen is converted into fibrin, which forms a mesh-like structure that helps to trap blood cells and form a clot.

A. Monocytes are a type of white blood cell, not a protein present in blood plasma.

B. Platelets are cell fragments that play a role in blood clotting, but they are not a protein present in blood plasma.

D. Lymphocytes are a type of white blood cell, not a protein present in blood plasma.

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\| 1	\| 5.0 g\| 2.0 sec	\|
\| 2	\| 5.0 g\| 1.0 sec	\|
\| 3	\| 30.0 g\| 0.5 sec	\|
\| 4	\| 35.0 g\| 1.5 sec	\|

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

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Naxlex Comprehensive Predictor Exams

Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having difficulty performing which of the following actions?

Correct Answer is B

Explanation

Which of the following is a protein present in blood plasma?

Correct Answer is C

Explanation

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Use the table below to answer the question. | Object | Mass | Time of Fall | | | | | | 1 | 5.0 g| 2.0 sec | | 2 | 5.0 g| 1.0 sec | | 3 | 30.0 g| 0.5 sec | | 4 | 35.0 g| 1.5 sec | Which of the following conclusions is supported by the data?