Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium. Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

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3. A promising new drug is being evaluated in human trials. Based on preliminary human tests, this drug is most effective when plasma levels exceed 30 mg/L. Measurements from preliminary tests indicate the following human pharmacokinetic parameter values: t1/2,elim = 4.6hr, t1/2,abs = 0.34hr, VD = 0.29 L/kg, Foral = 72%. Based on these parameters, estimate the following if a 49 kg woman were to receive a 1000mg oral dose of this drug: (a) Estimate the plasma concentration of the drug at 1hr, 6 hr, and 20hr after taking the drug ( Concentration estimate) (b) Estimate the time for maximum plasma concentration (tmax). (c) Estimate the maximum plasma concentration (Cmax). (d) Estimate the time at which the plasma level first rises above 30 mg/L. (Note this is a trial and error problem where you must guess a time, plug it into the concentration equation, and determine if it is close to 30 mg/L. Hint: based on part (a) it should be apparent that the answer is less than 1hr.) (e)…

Answer 2

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

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Answer 3

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

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Answer 4

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

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Answer 5

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

Answer 6

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Answer 7

Chapter 21.1, Problem 1CC

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the apical side or basolateral side of the intestinal epithelium.

Introduction: The digestive system initiates with the oral cavity consisting of the pharynx and mouth. This oral activity acts as the receptacle for food. After the food is swallowed, it enters the gastrointestinal tract. The gastrointestinal tract comprises stomach, oesophagus, large intestine, and the small intestine.

Answer 8

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

Answer 9

Summary Introduction

To determine: Whether the lumen of the digestive tract is located on the serosal side or mucosal side of the intestinal epithelium.

Introduction: The length of the small intestine of humans is about 20 feet long. Small intestine lies between the stomach, and large intestine and its primary function of the small intestine is the absorption of the food.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 21.1 - Prob. 1CC Ch. 21.1 - Prob. 2CC Ch. 21.1 - Prob. 3CC Ch. 21.2 - Define digestion. What is the difference between...Ch. 21.2 - Prob. 5CC Ch. 21.2 - Draw a cell showing (1) an enzyme in a cytoplasmic...Ch. 21.2 - Prob. 7CC Ch. 21.2 - Prob. 8CC Ch. 21.2 - Prob. 9CC Ch. 21.3 - Prob. 10CC

Solution Summary: The author explains that the digestive system initiates with the oral cavity, which acts as the receptacle for food, and determines whether the lumen is located on the serosal or mucosal side of the

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