Anatomy & Physiology B/C

[Fluorine]

Answers (I hope) (Click to Show Hidden Text)

1. Childhood and adolescence 
2. Old and Middle Age (40 yrs-death)

All good. Your turn. To make the questions harder I should ask why but I will pass

[sciolylover13]

1. What are the positions of actin and myosin molecules in the sarcomere before and during muscle contraction?
2. What is myoglobin? What is it's function?
3. What is the difference between simple cuboidal epithelium and columnar epithelium?

[Unome]

Answers (Click to Show Hidden Text)

1) Actin is on the outside edges and myosin is on the inside. During contraction, the distance between the two sets of actin decreases. None of them change in length.
2) Myoglobin is a protein stored in muscle cells (mostly in red fibers) that stores oxygen.
3) Cuboidal epithelium and columnar epithelium are both simple (a single layer) but columnar epithelium has thicker cells going downward.

[alexamezaga1]

1) What is the difference between a comminuted fracture and a compound fracture?
2) List the steps of endchondral ossification.

[sciolylover13]

Answers (Click to Show Hidden Text)

1) Actin is on the outside edges and myosin is on the inside. During contraction, the distance between the two sets of actin decreases. None of them change in length.
2) Myoglobin is a protein stored in muscle cells (mostly in red fibers) that stores oxygen.
3) Cuboidal epithelium and columnar epithelium are both simple (a single layer) but columnar epithelium has thicker cells going downward.

All correct!

[Unome]

1) What is the difference between a comminuted fracture and a compound fracture?
2) List the steps of endchondral ossification.

This explains the question marathon.

1) Osteoarthritis primarily damages what structure?
2) Why is the name osteoarthritis misleading?
3) Name three medicines that can be used to treat this disease.

[Fluorine]

1) What is the difference between a comminuted fracture and a compound fracture?
2) List the steps of endochondral ossification.

This explains the question marathon.

1) Osteoarthritis primarily damages what structure?
2) Why is the name osteoarthritis misleading?
3) Name three medicines that can be used to treat this disease.

Here you go (Click to Show Hidden Text)

1. Joints more specifically the articular cartilage
2. Since the actual damage is to cartilage which is not bone compared to the "osteo" word root
3. Ibuprofen (Advil), Naproxen (Aleve) or Etodolac (Lodine_

Will answer alexamezaga1 too just to be fair (Click to Show Hidden Text)

1. Comminuted involves the bone breaking into many fragments while Compound is when a bone fracture breaks the skin. 
2. Enchondral Ossification:

 1) Need hyaline cartilage model first, however, bone collar forms around model 
2. Cartilage in center of diaphysis of bone model calcifies and develops cavity
3. Periosteal will bud and invade the internal cavity. Also, spongy bone begins to forms 
4. Bone elongates and medullary cavity forms. Secondary ossification center appears in the epiphyses of the bone model.
5. Last the epiphyses will ossify. Once done hyaline cartilage remains only in epiphyseal plate.

[windu34]

1) What is the difference between a comminuted fracture and a compound fracture?
2) List the steps of endchondral ossification.

This explains the question marathon.

1) Osteoarthritis primarily damages what structure?
2) Why is the name osteoarthritis misleading?
3) Name three medicines that can be used to treat this disease.

lol

[Unome]

1) What is the difference between a comminuted fracture and a compound fracture?
2) List the steps of endochondral ossification.

This explains the question marathon.

1) Osteoarthritis primarily damages what structure?
2) Why is the name osteoarthritis misleading?
3) Name three medicines that can be used to treat this disease.

Here you go (Click to Show Hidden Text)

1. Joints more specifically the articular cartilage
2. Since the actual damage is to cartilage which is not bone compared to the "osteo" word root
3. Ibuprofen (Advil), Naproxen (Aleve) or Etodolac (Lodine_

Will answer alexamezaga1 too just to be fair (Click to Show Hidden Text)

1. Comminuted involves the bone breaking into many fragments while Compound is when a bone fracture breaks the skin. 
2. Enchondral Ossification:

 1) Need hyaline cartilage model first, however, bone collar forms around model 
2. Cartilage in center of diaphysis of bone model calcifies and develops cavity
3. Periosteal will bud and invade the internal cavity. Also, spongy bone begins to forms 
4. Bone elongates and medullary cavity forms. Secondary ossification center appears in the epiphyses of the bone model.
5. Last the epiphyses will ossify. Once done hyaline cartilage remains only in epiphyseal plate.

Correct, your turn.

[Fluorine]

Question! Let's go with Muscualar

1) When a suicide victim was found. The medical examiner was unable to remove the drug vial clutched in his hand. Explain why this occurs? Will the victim always be holding the drug vial? Why no or yes?