Anatomy and Physiology B/C

Anomaly
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Re: Anatomy and Physiology B/C

Post by Anomaly »

WangwithaTang wrote:What were the scores for MIT invitational for anatomy? I can't find it on the website.
They dont release everyone's scores, only the highest ones. The highest for anatomy was a 155.
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Re: Anatomy and Physiology B/C

Post by WangwithaTang »

Oh yeah, what type of connective tissue is the thymus and how is different from other lymphoid organs? I can't find the answer online.
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Re: Anatomy and Physiology B/C

Post by amk578 »

WangwithaTang wrote:Oh yeah, what type of connective tissue is the thymus and how is different from other lymphoid organs? I can't find the answer online.
From what I remember, the other lymphatic organs (spleen, tonsils, lymph nodes, etc.) have reticular connective tissue but the thymus doesn’t. The thymus has dense connective tissue.
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Re: Anatomy and Physiology B/C

Post by WangwithaTang »

amk578 wrote:
WangwithaTang wrote:Oh yeah, what type of connective tissue is the thymus and how is different from other lymphoid organs? I can't find the answer online.
From what I remember, the other lymphatic organs (spleen, tonsils, lymph nodes, etc.) have reticular connective tissue but the thymus doesn’t. The thymus has dense connective tissue.
ok, thanks
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Re: Anatomy and Physiology B/C

Post by WangwithaTang »

What were the highest scores for anatomy B and C of the University of Austin Invitational?
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Re: Anatomy and Physiology B/C

Post by WangwithaTang »

Can you guys explain these problems?

25. (1) Which of the following is not a way that lymph
flow is produced?
A. Skeletal muscles squeezing lymphatic vessels
B. Arterial pulsation
C. Venous pulsation
D. Thoracic (respiratory) pump
E. Varying pressures within the thoracic and
abdominal cavity

I put B, but the answer was C. I thought that because the lymph drains into the superior vena cava, the vein pressure does do some work?

30. ** (1) Which of the following is untrue regarding the
spleen?
A. It is located in the left hypochondria region
B. It is protected by ribs 7-9
C. It is ventromedial to the stomach
D. It is inferior to the diaphragm
E. A & B
F. A & C
G. A & D lol
H. B & C
I. B & D
J. C & D

The answer was H, but I put C. Isn't there some rule called the 1*3*5*7*9 mnemonic where the spleen is protected by ribs from 7-9?
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Re: Anatomy and Physiology B/C

Post by amk578 »

WangwithaTang wrote:Can you guys explain these problems?

...
25) First, lymph drains into the left and right subclavian veins, not straight into SVC, and the location of where lymph drains does not affect the flow of lymph at all. Arterial pulsation affects lymph flow because arteries have stronger pulses while venous pulsation is not as noticeable and not nearly as strong.

30) The mnemonic is 1 3 5 7 9 11, where it means the dimensions of the spleen are 1 x 3 x 5, it weighs 7 ounces, and are protected by ribs 9 and 11.
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Re: Anatomy and Physiology B/C

Post by bp31000 »

WangwithaTang wrote:Oh yeah, what type of connective tissue is the thymus and how is different from other lymphoid organs? I can't find the answer online.
thymus connective tissue includes reticular cells, which functions as antigen presenting cells (APC) and unlike reticular cells in other oragans, are involved in "T cell training" (making sure T cells recognize self from non self and not attack our own cells)
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Re: Anatomy and Physiology B/C

Post by bp31000 »

WangwithaTang wrote:Can you guys explain these problems?

25. (1) Which of the following is not a way that lymph
flow is produced?
I put B, but the answer was C. I thought that because the lymph drains into the superior vena cava, the vein pressure does do some work?
most deep lymphatics travel close to arteries (sometimes in a connective tissue sac with arteries) and arterial pulsation plays a role in the lymph flow. veins do not pulsate as the pressure is steady and does not change with systole and diastole, and venous pressure is not a major factor
State & Regional 2019 events B
<3 Solar system, Water Quality, Anatomy and Physiology- 1st State & Regional <3
:roll: Heredity 4th state, 2nd regional :roll:
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Re: Anatomy and Physiology B/C

Post by WangwithaTang »

bp31000 wrote:
WangwithaTang wrote:Can you guys explain these problems?

25. (1) Which of the following is not a way that lymph
flow is produced?
I put B, but the answer was C. I thought that because the lymph drains into the superior vena cava, the vein pressure does do some work?
most deep lymphatics travel close to arteries (sometimes in a connective tissue sac with arteries) and arterial pulsation plays a role in the lymph flow. veins do not pulsate as the pressure is steady and does not change with systole and diastole, and venous pressure is not a major factor
Thanks everybody!
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