Anatomy and Physiology B/C

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Re: Anatomy and Physiology B/C

Post by huppada »

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Re: Anatomy and Physiology B/C

Post by Here »

Since there hasn’t been a reply in a while, I guess I’ll post some questions
1. What cells does tubuloglomerular feedback affect?
2. What is one medication that can treat a UTI?
3. What is one characteristic that can help you determine whether a lymph node is infected or cancerous?
4. What part of the thymus are nurse cells primarily found in?
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Re: Anatomy and Physiology B/C

Post by Ninn »

Here wrote:Since there hasn’t been a reply in a while, I guess I’ll post some questions
1. What cells does tubuloglomerular feedback affect?
2. What is one medication that can treat a UTI?
3. What is one characteristic that can help you determine whether a lymph node is infected or cancerous?
4. What part of the thymus are nurse cells primarily found in?
1. Macula Densa and Juxtaglomerular Cells
2. Cephalexin (works by killing bacteria)
3. Swollen/inflamed lymph nodes are an indicator of cancer or infection
4. Cortex
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Re: Anatomy and Physiology B/C

Post by Here »

Ninn wrote:
Here wrote:Since there hasn’t been a reply in a while, I guess I’ll post some questions
1. What cells does tubuloglomerular feedback affect?
2. What is one medication that can treat a UTI?
3. What is one characteristic that can help you determine whether a lymph node is infected or cancerous?
4. What part of the thymus are nurse cells primarily found in?
1. Macula Densa and Juxtaglomerular Cells
2. Cephalexin (works by killing bacteria)
3. Swollen/inflamed lymph nodes are an indicator of cancer or infection
4. Cortex
Correct!
For 3 I was looking for more of the difference between inflamed and cancerous lymph node signs, but I should have worded it differently.
Your Turn!
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Re: Anatomy and Physiology B/C

Post by Ninn »

1. All blood cells are descended from a single population of bone marrow cells. What are these cells called?
2. What are myeloid stem cells?
3. What are ectopic pacemakers?
4. How does a subarachnoid hemorrhage occur?
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Re: Anatomy and Physiology B/C

Post by amk578 »

Ninn wrote:1. All blood cells are descended from a single population of bone marrow cells. What are these cells called?
2. What are myeloid stem cells?
3. What are ectopic pacemakers?
4. How does a subarachnoid hemorrhage occur?
1. Hemocytoblasts
2. Progenitor cells to RBCs, platelets, and granulocytes
3. Groups of pacemaker cells outside the SA node that cause a premature and irregular heartbeat
4. The brain's arteries rupture/burst, so excess blood spills and affects the brain & it's tissues (aneurysm)
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Re: Anatomy and Physiology B/C

Post by Ninn »

amk578 wrote:
Ninn wrote:1. All blood cells are descended from a single population of bone marrow cells. What are these cells called?
2. What are myeloid stem cells?
3. What are ectopic pacemakers?
4. How does a subarachnoid hemorrhage occur?
1. Hemocytoblasts
2. Progenitor cells to RBCs, platelets, and granulocytes
3. Groups of pacemaker cells outside the SA node that cause a premature and irregular heartbeat
4. The brain's arteries rupture/burst, so excess blood spills and affects the brain & it's tissues (aneurysm)
All correct! Your turn.
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Re: Anatomy and Physiology B/C

Post by amk578 »

How does oxygen (in relation to hemoglobin) affect the pH of blood?
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Re: Anatomy and Physiology B/C

Post by Ninn »

amk578 wrote:How does oxygen (in relation to hemoglobin) affect the pH of blood?
Decreased pH (increased hydrogen) directly causes lower hemoglobin affinity for oxygen and hemoglobin binds tighter to oxygen at high pH than low pH. Carbonic anhydride also converts gaseous carbon dioxide to carbonic acid that releases a hydrogen ion that reduces pH of blood.

So from that you can deduct that decreased oxygen/abundance of carbon dioxide > pH decrease
Abundant oxygen/decreased car ion dioxide > pH increase
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Re: Anatomy and Physiology B/C

Post by amk578 »

Ninn wrote:
amk578 wrote:How does oxygen (in relation to hemoglobin) affect the pH of blood?
Decreased pH (increased hydrogen) directly causes lower hemoglobin affinity for oxygen and hemoglobin binds tighter to oxygen at high pH than low pH. Carbonic anhydride also converts gaseous carbon dioxide to carbonic acid that releases a hydrogen ion that reduces pH of blood.

So from that you can deduct that decreased oxygen/abundance of carbon dioxide > pH decrease
Abundant oxygen/decreased car ion dioxide > pH increase
A lot more in depth than I was looking for haha, but nonetheless good job! Your turn.
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