Question 10 (1 point) Dupuytren\'s disease is marked by the formation of a \"thi

Question

Question 10 (1 point)

Dupuytren's disease is marked by the formation of a "thick knot" of tissue that forms a cord and causes one or more fingers to be pulled towards the palm. It commonly affects the ring finger. (See image)

The ______, which are responsible for sensing 'vibrations' and 'deep pressure' are hypothesized to contribute to the disease, however, insufficient data exists to conclude these structures are the cause of the disease.

SELECT ONE ANSWER.

Question 10 options:

Pacinian corpuscle(s)

Meissner's Corpuscles

Krause's end bulbs

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Question 11 (1 point)

After lifting weights for years, body builders can have very large and powerful muscles. This requires larger bone attachment sites. Bone will grow larger at these attachment sites and this is defined as:

Question 11 options:

Appositional growth, because it is growth at the epiphyseal plate

Can not determine based on information given.

Interstitial growth, because it is growth at the epiphyseal plate

Appositional growth, because it is growth along the existing bone

Interstitial growth, because it is growth along the existing bone

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Question 12 (1 point)

At the core of each osteon is a central canal (aka Haversian canal), what is its functional role?

SELECT ANY TRUE STATEMENTS.

Question 12 options:

To absorb shock from/at synovial joints

To store yellow marrow

To form new osteoclasts and osteoblasts

The function(s) of the central canals are not known.

House red bone marrow

To allow blood vessels and nerve fibers to travel through bone

Pacinian corpuscle(s)

Meissner's Corpuscles

Krause's end bulbs

Free Nerve Endings

Explanation / Answer

Answer-10 = Pacinian corpuscles which are responsible for sensing vibration and deep pressure are hypothesized to contribute disease

Answer -11=. Appositional growth because it is grow along the existing bone

Answer -12. =.Central canal mainly allow the blood vessels and nerve fibre to travel through bonel

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