Which of the following statements is false:

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Question: Which of the following statements is false:

Option 1: The omasium has a honeycomb appearance.
- The omasum (omasium) is characterized by numerous internal folds or laminae, often described as leaf-like or rugated surfaces, which increase surface area for absorption. It is not typically described as honeycomb; the honeycomb term is more commonly associated with other structures. This statement is misleading and can be considered false because the classic description fits leaf-like folds rather than a honeycomb pattern.

Option 2: Pigs have a spiral colon.
- In many ruminant-like or herbivore discussions, the large intestine of pigs is described as having a simple loop with a relatively tortuous path, and some anatomical texts reference a spiral portion in the large intestine of pigs. However, the terminology can vary by species and educator; some sources describe a relatively simple, short ascending colon without a true spiral colon as found in other domestic species. This makes the statement ambiguous or potentially false depending on the veterinary anatomy framework used, but it is often considered true in standard domestic animal anatomy where a spiral loop is not a hallmark feature of the porcine colon.

Option 3: Chickens have two caeca.
- Yes, chickens possess two caeca (ceca). They are part of the avian digestive system and play a role in fermentation and absorption. This statement is true.

Option 4: Newborn sheep don’t digest milk in the rumen.
- Newborn lambs primarily digest milk via the abomasum and small intestine; the rumen is not yet developed at birth and fermentation is minimal. Milk bypasses the rumen at this stage. So this statement is true.

Option 5: The abomasum is similar to a glandular stomach.
- The abomasum is the true glandular stomach of ruminants, secreting gastric acids and enzymes analogous to the monogastric stomach. This statement is true.

In summary, the statement that contains a misleading or inaccurate description about the omasium’s appearance is Option 1. The other statements align with established anatomical knowledge, though some phrasing around pigs and the spiral colon can be interpreted differently depending on the source. This analysis highlights why Option 1 is the false choice among the list.

MERGE_2025_0317 Exam: Production Animal Physiology (Parkville) (ANSC30008_2025_SM2)- Requires Respondus LockDown Browser

Which of the following statements is false:

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