Question 1

Atoms consist of subatomic units called protons, electrons, and  _____.

Accepted Answer

A) anions 
B) neutrons 
C) cations 
D) quarks

Question 2

The secretions needed for digestion include water, acid, enzymes, and _____.

Accepted Answer

A) blood 
B) lymph 
C) hydrolytes 
D) bicarbonate

Question 3

When one atom losses an electron and another atom simultaneously gains one, what has taken place is called  _____.

Accepted Answer

A) synthesis 
B) a redox reaction 
C) reduction 
D) metabolism

Question 4

The loss of 1 or more  electrons is called reduction.

Accepted Answer

A) True 
 B)False

Question 5

What dose the muscularis do?

Accepted Answer

A) Stimulates the contraction of the muscles that control the beating of the heart 
B) Makes possible the voluntary muscle contractions required for movement 
C) Controls the contraction and expansion of the lungs 
D) Enables food to mix and move through the GI tract

Question 6

Of the two types of movement in the GI tract, which is the vigorous propulsion of food through the tract?

Accepted Answer

A) Segmentation 
B) Peristalsis 
C) Impetus 
D) Contraction

Question 7

DNA is contained primarily in the _____ of a cell.

Accepted Answer

A) mitochondria 
B) nucleus 
C) cell membrane 
D) Golgi apparatus

Question 8

Using a recycling process called absorption, the kidneys are able to reclaim substances such as amino acids, glucose, and other important nutrients that would otherwise be excreted in the urine.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following aids in the circulation of dietary fat away from the GI tract?

Accepted Answer

A) Mucosa 
B) Muscularis 
C) Lymph 
D) Serosa

Question 10

Celiac disease is an inflammatory response to a specific protein called glycogen.

Accepted Answer

A) True 
 B)False

Question 11

Which subatomic units are found in the nucleus of an atom?

Accepted Answer

A) Neutrons and protons 
B) Neutrons and electrons 
C) Quarks and electrons 
D) Protons and electrons

Question 12

A _______________ is a mixture of two or more uniformly dispersed substances. It is typically composed of a _______________ dissolved in a solvent.

Accepted Answer

The answer of A _______________ is a mixture of two...

Question 13

Why is the transfer of electrons between atoms and molecules a very important chemical event?

Accepted Answer

The answer of Why is the transfer of electrons between...

Question 14

In _______________, which is caused by the weakening of the gastroesophageal sphincter, gastric juices reflux into the esophagus and irritate the mucosal lining.

Accepted Answer

The answer of In _______________, which is caused by the...

Question 15

Nutrient absorption includes both the entry into and the exit out of the enterocyte.

Accepted Answer

A) True 
 B)False

Question 16

What is the term for the type of tissue in the human body that provides a protective layer on skin and the lining of body cavities?

Accepted Answer

A) Epithelial 
B) Connective 
C) Muscle 
D) Neural

Question 17

What regulates  the rate of facilitated diffusion?

Accepted Answer

A) Net movement of water across the cell membrane 
B) Level of energy available to support the transport 
C) Membrane-bound transport protein 
D) Permeability of the cell membrane

Question 18

The layers of the GI tract carry out its functions of motility, movement, _____.

Accepted Answer

A) neural transmission, circulation, and aspiration 
B) secretion, communication, and protection 
C) contraction, communication, and circulation 
D) secretion, excretion, and fortification

Question 19

Blood is a connective tissue made up of cells and a fluid called _____.

Accepted Answer

A) plasma 
B) lymph 
C) serum 
D) water

Question 20

_______________ allows a substance to be moved from a region of lower concentration to a region of higher concentration, but requires both energy and the assistance of a transport protein.

Accepted Answer

The answer of _______________ allows a substance to be moved...

Exam 3: Chemical, Biological, and Physiological Aspects of Nutrition

Atoms consist of subatomic units called protons, electrons, and _____.

The secretions needed for digestion include water, acid, enzymes, and _____.

When one atom losses an electron and another atom simultaneously gains one, what has taken place is called _____.

The loss of 1 or more electrons is called reduction.

What dose the muscularis do?

Of the two types of movement in the GI tract, which is the vigorous propulsion of food through the tract?

DNA is contained primarily in the _____ of a cell.

Using a recycling process called absorption, the kidneys are able to reclaim substances such as amino acids, glucose, and other important nutrients that would otherwise be excreted in the urine.

Which of the following aids in the circulation of dietary fat away from the GI tract?

Celiac disease is an inflammatory response to a specific protein called glycogen.

Which subatomic units are found in the nucleus of an atom?

A _ is a mixture of two or more uniformly dispersed substances. It is typically composed of a _ dissolved in a solvent.

Why is the transfer of electrons between atoms and molecules a very important chemical event?

In _______________, which is caused by the weakening of the gastroesophageal sphincter, gastric juices reflux into the esophagus and irritate the mucosal lining.

Nutrient absorption includes both the entry into and the exit out of the enterocyte.

What is the term for the type of tissue in the human body that provides a protective layer on skin and the lining of body cavities?

What regulates the rate of facilitated diffusion?

The layers of the GI tract carry out its functions of motility, movement, _____.

Blood is a connective tissue made up of cells and a fluid called _____.

_______________ allows a substance to be moved from a region of lower concentration to a region of higher concentration, but requires both energy and the assistance of a transport protein.