SC121 Unit 4 Seminar Option 2

SC121 Unit 4 Seminar Option 2

Kaplan University

Why does cardiac tissue contain intercalated discs?

The reason why cardiac muscle contain intercalated discs is because individuals heart muscle cells (cardiomyocytes) are connected by intercalated discs which work as a single functional organs or syncytium, whereas on the other hand skeletal muscle consists of multi-nucleated muscle fibers and exhibit no intercalated discs.

Why is smooth muscle under involuntary control?

The main and most important reason of smooth muscle under lying in involuntary control is because you cannot control this type of muscle movement.

What special adaptations does the nervous tissue have to function?

The nervous tissue is a component of nervous system, is mainly made of neurons and supportive cells which is further called neuroglia. The special adaptations of the nervous tissue are to perceive stimuli and generate nerve impulses to various organs of the body.

Where is pseudostratified ciliated columnar epithelial found and why is the cilia important to this location?

Mainly ciliated columnar epithelial found in the linings of the trachea and as well as the upper respiratory tract. The cilia are considering to be important to this location because various cells types in the body rely on a fully functional primary cilium, furthermore important examples include are retinal photo-receptors in the eye and cell of the kidneys.

Describe the location and function of simple columnar epithelium and why these characteristics are important to this tissue functioning properly.

The location of simple columnar epithelium is in the lines of the gall bladder and most of the G.I tract. The main function of the simple columnar epithelium is absorption and secretion, due to having a layer of columnar epithelium which is resting on top of at least one or other layer of epithelial cells, which tends to carry any shape.

Why biopsies are done?

The reason of the biopsies is done due to the furthering the process of diagnosis of cancer. It is mainly done regarding examine the lump and the swelling of a part of the body to find out the exact cause of cancerous cells.

Why are healthy tissues taken along with questionable tissues?

Generally, tissue is a group or layer of specialized cells which then perform specific function. Hypergranulation which is also known as overgranulation. Health tissue is taken along with questionable tissues because tissue homeostasis requires an effective, limited wound-healing response to injury. In chronic disease, failure to regenerate parenchymal tissue leads to the replacement of lost cellular mass with a fibrotic matrix

Are samples taken in an office setting or under anesthesia? Why is there a difference?

Mostly samples are taken depends on where the tumor is located and what type of cancer is suspected on the patient body. The main difference in sample taken is generally due to its nature and complexity sometimes sample have taken out the entire organ which are mainly done by surgeons. On the other hand, some samples are done and accomplished by collecting samples from a thin needle or through endoscope. Anesthesia can only be given to individual with surgical biopsy which consider to be very rare procedure mostly surgeon may use wire localization to perform sample collection.

In some cases, patients may feel that the side effects may outweigh the benefits of having the biopsy. For example, prostate biopsies have been said to cause impotence in some men. Is having a biopsy worth the risk?

Due to the nature of the procedure which participant receive its side effects may outweigh the benefits of having biopsy. It is mainly occurred due to the reason of sudden accident during collecting the biopsy tissue from the organ which results in the breakage of the cells from the tumor, which further resulting in spreading to the entire area of the respective body which then can enable and allow the patient to make a more informed decision.

REFERENCES

American Cancer Society. (2013). Overview and Outcomes of biopsy types. Retrieved from http://www.cancer.org/treatment/understandingyourdiagnosis/examsandtestdescriptions/ testingbiopsyandcytologyspecimensforcancer/testing-biopsy-and-cytology-specimens-for-cancer-biopsy-types

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