ETN CPD - Bits and Bitting Answers August 2017
1. 1. Which cheek amplifies rein tension into the lips?
C) Running gag
2. The Baucher cheek relieves pressure on the poll. It does so by:
B) Relieving tension in the cheekpieces
C) Acting as a lever
3. The temporomandibular joint is a hinge that allows the horse to chew. What type of input is disturbed when the joint is adversely affected, causing the gaits to suffer?
4. The tongue is connected to the shoulder, it can therefore affect the horse’s movement. Which bone connects the tongue to the shoulder?
A) Sesamoid bone
B) Occipital bone
C) Hyoid bone
5. Aside from an anatomically correct design, what is the next most important feature for a mouthpiece to have?
A) Even distribution of pressure over the tongue
B) Thick so that there is lower pressure
C) Thin so that the horse can close its mouth more readily
6. Ported curb bits can contact the palate when they rotate under rein tension. What is the average depth of the equine hard palate?
A) 0.5 – 2.5 cm
B) 1-2 cm
C) 1.5 – 2 cm
7. What features must a bit have to operate as a lever and create poll pressure?
A) An extension above, or, below the mouthpiece
B) An extension above the mouthpiece
C) An extension above and below the mouthpiece
8. The nutcracker effect results in a squeezing action on the tongue, it does not affect the palate. Which bit has the weakest nutcracker effect?
A) Single jointed snaffle
B) Double jointed snaffle
9. Mouthpieces designed according to the horse’s mouth anatomy encompass the following feature(s):
A) Distribute pressure evenly over the tongue and avoids bar pressure
B) Ensures nothing presses into the tongue
C) Both a and b
10. Curb bits with ports often contact the hard palate. Which direction must the port face to reduce the likelihood of interference?
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