Question 1

Cell Theory (stating that the cell is the basic unit of life) was soundly established by the mid

Accepted Answer

A)  5th century 
B)  17th century 
C)  19th century 
D)  20th century

Question 2

The Scientific Revolution occurred during

Accepted Answer

A)  the 5th and 6th centuries (B
C)  with Greek philosophers 
B)  the 16th and 17th centuries coinciding with the European Renaissance 
C)  the 18th and 19th centuries with English and German scientists 
D)  the 20th century with English, German, and American scientists

Question 3

Oxygen levels have decreased during a period of exercise, leading to an increase in respiration rate. In the feedback system that regulates blood gasses, the lungs are acting as the

Accepted Answer

A)  receptor 
B)  control center 
C)  stimulus 
D)  effector

Question 4

A 200 pound lean male (60% fluid) has about ___ lbs of interstitial fluid.

Accepted Answer

A)  32 
B)  8 
C)  16 
D)  64

Question 5

Claude Bernard first suggested that multicellular organisms have a constant "milieu interieur" that allow them to thrive. This observation was later deemed ____ by Walter B Cannon.

Accepted Answer

A)  Cell Theory 
B)  Structure-Function Relationships 
C)  The Frank-Starling Law 
D)  homeostasis

Question 6

Hippocrates originally believed that disease was due to an imbalance in

Accepted Answer

A)  homeostasis 
B)  blood pressure 
C)  the four humors 
D)  feedback systems

Question 7

Which of the following situations would most likely have the greatest increase in catabolic reactions compared to anabolic reactions occurring in the body?

Accepted Answer

A)  an athlete going through pre-season conditioning 
B)  a person on a hunger strike 
C)  a child going through a rapid growth spurt 
D)  an individual maintaining a healthy eating and exercise plan

Question 8

Which Greek historical figure is credited with recognizing that the function of a part can be determined by its structure?

Accepted Answer

A)  Hippocrates 
B)  Aristotle 
C)  Erasistratus 
D)  Galen

Question 9

Which would be an example of physiology?

Accepted Answer

A)  identification of a new bone 
B)  documenting the physical area where a heart is damaged 
C)  tracing the blood vessels used from an organ to the heart 
D)  explaining how a neuron conducts a signal

Question 10

The body's internal environment is composed of

Accepted Answer

A)  intracellular fluid 
B)  extracellular fluid 
C)  air surrounding the body 
D)  interstitial fluid only

Question 11

Based on the graph, the greatest change in diastolic blood pressure occurred during

Accepted Answer

A)  the first two weeks 
B)  the last two weeks 
C)  the fourth week 
D)  It is impossible to say, as the change appears to occur at a constant rate.

Question 12

Select the correct relationship between growth and reproduction.

Accepted Answer

A)  both occur when an individual cell increases in size 
B)  both occur when total numbers of cells increase 
C)  both occur only when two half-cells merge 
D)  both occur when the substances around the cells increase in volume

Question 13

Many compounds in our body are regulated to maintain homeostatic levels. Which of the following would NOT be maintained in homeostasis?

Accepted Answer

A)  oxygen 
B)  glucose 
C)  temperature 
D)  carbon dioxide 
E)  All of the choices are normally maintained in homeostasis.

Question 14

An emergent property of the ____ system is physical breakdown and absorption of nutrients.

Accepted Answer

The answer of An emergent property of the ____ system...

Question 15

Physiologists most often answer questions using the ____ approach.

Accepted Answer

A)  mechanistic 
B)  teleological 
C)  philosophical 
D)  historical

Question 16

What is the difference between the scientific method and scientific inquiry?

Accepted Answer

A)  the number of subjects involved 
B)  the type of data (qualitative vs quantitative) collected 
C)  the level of training the main investigator has acquired 
D)  the order of steps followed

Question 17

In a feedback system, the effector typically affects the variable that served as a stimulus. Based on that, which of these is NOT an example of a feedback system?

Accepted Answer

A)  increasing the rate of respiration in response to a decrease in oxygen levels 
B)  decreasing the rate of glycogenesis in response to decreased glucose levels 
C)  increasing contraction strength in response to the baby's head pushing on the cervix 
D)  decreasing blood pressure in response to a large blood volume loss

Question 18

Skin is an example of ___ tissue.

Accepted Answer

The answer of Skin is an example of ___ tissue....

Question 19

Which systems work together with the respiratory system in the process of respiration?

Accepted Answer

A)  cardiovascular and lymphatic 
B)  endocrine and renal 
C)  digestive and integumentary 
D)  muscular and nervous

Question 20

We consider movement to have been observed if it occurs at the ____ level.

Accepted Answer

A)  intracellular 
B)  organismal 
C)  organ 
D)  All of the choices are correct.

Exam 1: An Introduction to Physiology