Hoof and Horn

Question 1

In regards to the hoof, which structure (or structures) make up the layers of the stratum internum.

Choose all that apply. This is an all-or-nothing question. In other words, you must choose all layers (not too few/not too many) in order to get this question correct.

a. The (sensitive) coronary corium

b. The bulk of the hoof wall

c. The non-pigmented (insensitive) lamina of the hoof capsule

d. The (sensitive) soft tissue laminar corium

e. The corium of the sole

Answer 1

c, d

Question 2

What is the term for the area that is used as a landmark for driving a horseshoe nail, such that it avoids inflicting pain by avoiding driving the nail into any sensitive (innervated) areas?

Answer 2

white line

Question 3

In regards to the question about driving a horseshoe nail: Which one of the following best describes the majority of the structure being described above?

a. the stratum externum in horses that don’t have pigmented hooves

b. the stratum internum in horses that don’t have pigmented hooves

c. the non-pigmented portion of the stratum medium

d. the non-pigmented laminar corium

Answer 3

c

Question 4

Which of the following is the term that BEST describes the sensitive, vascular, soft-tissue layer that grows the horned tubules of either the horn or the hoof?

a. periople

b. corium

c. epidermis

d. lamina

e. frog

Answer 4

b

Question 5

Identify the soft tissue component of the horn (seen in a live animal at the location where the horn meets the haired skin), that needs to be completely removed/destroyed in a de-horning procedure in order to assure that the horn will not grow back?

Answer 5

epikeras