Which of the Following Statements Is True About Surfactant

Which of the following statements about surfactant is false. Stepan is a global manufacturer of chemicals such as surfactants and polymers that are sold to manufacturers such as Procter and Gamble for use in their shampoos laundry detergent and soap products.

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The following statements are true about surfactant except.

. It is secreted into alveoli by type I alveolar epithelial cells d. Talk to Our counsellor. Surface tension acts to increase the size of the alveoli within the lungs.

Which of the following statements about pulmonary surfactant is false. Surfactant ions have a hydrophilic end that is repelled by water. These molecules are referred to as amphiphilic or amphipathic molecules or simply as surfactants or surface active agents.

Lack of surfactant increases compliance of the lungs. Which of the following statements regarding surfactant are true and which are false. It is secreted by Type II pneumocytes.

C used to remove oil from the hair. All of the other statements regarding surfactant are true. - Medical Subjects Mcqs - Physiology Mcqs.

A They secrete a1-antitrypsin. 06 pts True False it contains substances that protect against infections It has a half-life of 5-10 hours after secretion It modifies the surface tension in. D prevents shampoo from lathering correct The oil-loving part of a surface active agent is called.

It increases surface tension. Question of Class 11-exercise-3. Alcohol acts as a surfactant and a protein coagulant.

PH measurement scale ranges from 0 to 14 b. In the lungs and eyes acting as surfactant and rhodopsin respectively. Surfactants are composed of a hydrophilic head and a hydrophobic tail.

Stepan competes with a variety of other chemical suppliers and knows that in general they are a higher-priced and higher-quality supplier. Lipids combine with proteins in the tissues. Which of the following statements concerning alveolar macrophages is true.

Immiscible liquids mix to form a solution. Surfactants are amphiphilic molecules that have hydrophobic and hydrophilic parts. Surfactants are typically classified based on their polar head as the hydrophobic tails are often similar.

Surfactants are water soluble and surface-active agents. Surfactant is secreted by type II not type I alveolar cells. B contains a hydrophilic part.

Which of the following statements regarding surfactant are true and which are false. Surfactant works by increasing the attraction of water molecules to each other. Which of the following statements about the dissolving process is accurate.

Surfactants are important pharmaceutically because of their Surfactants have two distinct regions in their chemical structure one of which is water-liking or hydrophilic and the other of which is water-hating or hydrophobic. B They secrete elastase. Which of the following statements about pulmonary surfactant is false.

Surfactant is secreted by type I alveolar cells. It is composed primarily of proteins 90 and also of lipids 10 c. Surfactant secretion begins late in fetal development.

Lipid component is phospholipid cholesterol or triglyceride. D They may play a role in causing hyaline membrane disease. A solution is acidic if it has more negative hydroxide ions c.

E They secrete small amounts of surfactant. Surfactant completely eliminates surface tension. The role of surfactant Which of these are effects of surfactant and which are.

A contains a lipophilic part. D All of above are true. O All of the above.

If the head group has negative or positive charge it is called anionic or cationic respectively. Which of the following statements about alveolar pressure P during normal quiet breathing is true. The pressure of the air outside your body is known as atmospheric pressure A deficiency in surfactant is a cause of infant respiratory distress syndrome IRDS All choices are TRUE The direction that the carbonic acid equation shifts is dependent on the concentration of the various molecules The.

Which of the following statements is true about surfactant. Which of the following statements is true about pulmonary surfactant. Which of the following statements about surface tension is false.

E None of the above are true. For a substance to dissolve solute-solvent attractions must overcome the attractions within both solute and solvent c. Which of the following statements is true to lipoproteins.

A lipophilic correct b emulsifier. Give a missed call 91 9513850450. All of the following statements regarding pH are true EXCEPT.

Solutions with equal hydrogen and hydroxide ions are neutral. Present in cellular and subcellular membranes. Which of the following statements are TRUE.

C Surfactant is necessary for lung inflation. Surfactant equalizes surface tension between large and small alveoli. It is positive during inspiration and negative during expiration.

The following statements are true about surfactant except. The respiratory disease that results from excessive constriction of the smooth muscle lining the airways is a. It is the same as intrapleural pressure C It is negative during inspiration and positive during expiration.

Question of Class 11-exercise-3. A Surfactant decreases surface tension by preventing the formation of hydrogen bonds between adjacent water molecules on terminal surface of the alveoli. B Surfactant is secreted by Type II alveolar cells.

It contains lecithin and sphingomyelin. 100 ethanol is a better microbicide than lower concentrations since the more concentrated it is the more effective the activity. It always remains less than atmospheric pressure.

C They originate from blood neutrophils. It prevents collapse of smaller alveoli. Which of the following statements are true concerning its mechanism of action.

06 pts True False it contains substances that protect against infections It has a half-life of 5-10 hours after secretion It modifies the surface tension in the fluid surface of the alveoli. Function includes increasing surface tension thereby preventing alveolar collapse b.

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