Which the the following is not one of the "4 T"s" that explain the many common reasons of anterior mediastinal masses?


Explanation:

The "4 T"s" that explain the many common reasons of anterior mediastinal masses are:

1) Thymoma/Thymic carcinoma

2) Teratoma (germ cell tumors)

3) Thyroid fixed (goiter, cancer, nodule, etc...)

4) "Terrible" Lymphoma

The just answer an option that is not among the classic "4 T"s" is tamponade that the heart. Cardiac tamponade describes when fluid accumulates in the potential an are between the heart and the pericardium, compressing the myocardium. Tamponade does not describe a solitary mass, but rather defines fluid. Furthermore, the heart is situated in the middle mediastinum, not the anterior mediastinum. The anterior mediastinum"s posterior border is the pericardium.

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Example concern #41 : Identifying various other Anatomical structures


Which of the adhering to structures is secondarily retroperitoneal?


Possible Answers:

Abdominal aorta


Descending colon


Ureters


Thoracic portion of esophagus


Kidneys


Correct answer:

Descending colon


Explanation:

The only structure listed that is secondarily retroperitoneal is the to decrease colon. Every one of the various other structures provided (kidneys, ureters, ab aorta, thoracic section of esophagus) are primarily retroperitoneal, no secondarily.

A secondarily retroperitoneal framework is a framework that initially was exposed by a mesentery, yet through the body"s developmental phases traveled behind the peritoneum. Various other secondarily retroperitoneal structures incorporate the pancreas (except the tail), the duodenum (except the proximal aspect of the first segment), and the ascending and descending colon.

A mostly retroperitoneal framework is a framework that has actually been retroperitoneal throughout all of the organism"s developmental phases.


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Example question #757 : gun Anatomy


Which the the adhering to cardiac frameworks is responsible for avoiding the earlier flow of blood or prolapse that a valve within the heart?


Possible Answers:

Moderator band


Papillary muscles


Christa terminalis


Chordae tendineae


Left ventricular myocardium


Correct answer:

Papillary muscles


Explanation:

Papillary muscle are located in the heart"s ventricles and attach to the cusps of atrioventricular valves (mitral and also tricuspid) via chordae tendineae (think that this together the tendon that the papillary muscle). Papillary muscle contract throughout systole (ventricular contraction) to prevent prolapse of this valves and also to protect against the earlier flow of blood. 


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Example inquiry #41 : Identifying other Anatomical structures


What is the largest organ the the body?


Possible Answers:

Skin


Stomach


Heart 


Brain


Correct answer:

Skin


Explanation:

Skin is the biggest organ of the body. It consists of the superficial epidermis, a depth dermis, and an also deeper fat layer referred to as the hypodermis. The skin has protective and sensory functions and is important in body temperature regulation, absorption, and also production of vitamin D.


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Example concern #759 : pistol Anatomy


In the adult, the caudal pointer of the spinal cord is typically found at which the the following levels?


Possible Answers:

Space in between the L5 spinous process and the sacrum


Intercristal heat (the high point of the iliac crests)


Disc between L1 and L2


Disc between L4 and also L5


Correct answer:

Disc between L1 and also L2


Explanation:

In human being adults the spinal cord (caudal tip) generally ends between the L1 and also L2 vertebrae. As there is anatomical variation the spinal cord can end between T12 and also L3 and still be taken into consideration normal, yet the spinal cord generally ends between the L1 and also L2 vertebrae.

In newborns the caudal guideline is usually found at the level of L3. 


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Example concern #760 : gun Anatomy


What are glands that secrete your product through the bursting that the cells called?


Possible Answers:

holocrine


endocrine glands


apocrine glands


merocrine glands


Correct answer:

holocrine


Explanation:

Holocrine glands are exocrine glands the involve the rupture of the plasma membrane. In law so, it requires the devastation of the cell. Apocrine glands just involve the shedding of the cytoplasm.


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Example concern #761 : pistol Anatomy


Where perform B-lymphocytes differentiate and also mature in the body?


Possible Answers:

Bone marrow


Pancreas


Lymph nodes


Thymus


Correct answer:

Bone marrow


Explanation:

B-lymphocytes maturation in the bone marrow. Lock can additionally be created and also matured in the liver. Both types of lymphocyte originate from stem cells in the bone marrow, however differ in their website of maturation.

T-lymphocytes maturation in the thymus, whereby they communicate with "self antigens." This procedure ensures that T-lymphocytes perform not connect with antigens uncovered in the body. If the immature cabinet interacts v self antigens, the T-lymphocyte will be destroyed. Tires T-lymphocytes that still react to self antigens can cause allergic reactions and autoimmune disease.

Mature lymphocytes space most typically found in the lymph nodes, whereby they display the plasma and also fluids for antigens.

See more: The Process Of Transferring The Amine Group From One Amino Acid To Another Is Called:


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