Which of the following statements about the role of saliva in the monogastric digestive tract is FALSE:

Question

BlackTom AI · Accepted Answer

In evaluating the role of saliva in the monogastric digestive tract, I will examine each statement for accuracy and relevance to typical monogastric physiology.
Option 1: 'Produced by conditioned and unconditioned stimulation' — Saliva production is indeed driven by reflexes that can be triggered by both unconditioned (inherent) cues and conditioned (learned) cues, such as the sight or smell of food. This statement aligns with how reflexive salivation works, so it is accurate.
Option 2: 'Essential to digestive processes' — While saliva aids lubrication, enzymatic initiation of carbohydrate digestion, and antimicrobial defense, it is not strictly essential for digestion. Monogastrics can digest food without saliva, albeit with reduced efficiency and comfort; the stomach and intestines perform major digestive roles. Therefore, this claim is misleading and considered false in the context of “essential.”
Option 3: 'To provide amylase and begin carbohydrate digestion' — Many monogastrics secrete salivary amylase in saliva, which starts starch digestion in the mouth. Though the extent of its importance varies among species, this function is a recognized role of saliva, making this statement generally accurate.
Option 4: 'To provide lysosome to reduce bacterial proliferation' — Saliva contains antimicrobial components such as lysozyme, which help limit bacterial growth in the oral cavity. This is a true function of saliva, contributing to oral and digestive tract hygiene.
Overall, the least accurate claim among these is that saliva is 'essential to digestive processes,' as digestion can proceed without it, though saliva aids several steps. The other options reflect recognized aspects of saliva’s roles in monogastric species.

ANSC20002_2025_SM2 Mid Semester exam

Which of the following statements about the role of saliva in the monogastric digestive tract is FALSE:

查看解析

登录即可查看完整答案

类似问题

Question at position 34 Intestinal juice is secreted in response to chyme or ______ of the small intestine.DistentionInfectionContractionFolding

What is the primary site of starch digestion in horses?

Gut contents must be moved along the digestive tract in order for food to be processed and ultimately waste excreted. Which of the following correctly describes a functional benefit of the control of the rate (transit time or speed) of movement of gut contents through a gut compartment.

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单