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Exam 4: Tissue: the Living Fabric

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Question 21

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John,a 72-year-old grandfather,had been smoking heavily for 24 years and had a persistent cough.A biopsy of his lung tissue revealed considerable amounts of carbon particles.How could this happen considering the natural cleaning mechanism of the respiratory system?

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The sweeping action of the ciliated epit...

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Question 22

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Blood is considered a type of connective tissue.

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Question 23

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Without macrophages,wound healing is delayed.Why?

Select the correct statement regarding epithelia.

Which tissue type would likely function to hold the kidneys in place?

Tendons and ligaments are composed mainly of dense irregular connective tissue.

Arteries,veins,and lymphatics keep clots from sticking as long as their ________ is intact and healthy.

Choose which tissue would line the uterine (fallopian) tubes and function as a "conveyer belt" to help move a fertilized egg towards the uterus.

Glands,such as the thyroid,that secrete their products directly into the blood rather than through ducts are classified as ________.

Explain why an infection may occur in a tissue injury.

Simple cuboidal epithelia are usually found in areas where secretion and absorption occur.

The primary blast cell for connective tissue proper is the ________.

All of the following statements refer to events of tissue repair.Put the events in proper numbered order according to the sequence of occurrence.The initial event,the injury,is already indicated as number one. 1.The skin receives a cut that penetrates into the dermis and bleeding begins. 2.Epithelial regeneration is nearly complete. 3.Granulation tissue is formed. 4.Blood clotting occurs and stops the blood flow. 5.The wound retracts. 6.Macrophages engulf and clean away cellular debris. 7.Fibroblasts elaborate connective tissue fibers to span the break.

Mesenchymal cells are most commonly found in ________ connective tissue.

Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which epithelial tissue?

The reason that intervertebral discs exhibit a large amount of tensile strength,which allows them to absorb shock,is because they possess ________.

How can one tell the difference between stratified squamous epithelium and transitional epithelium?

Select the correct statement regarding the stem cells of connective tissue.

Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?

The role of brown fat is to warm the body; whereas,the role of white fat is to store nutrients.