APHY 101 Midterm Exam Questions and
Answers
1. Which of the following is not characteristic of phospholipids?
a. The tail groups are non polar
b. They are a major form of energy storage
c. They contain a glycerol backbone
d. The molecule is an important part of cell membranes: b. They are a major
form of energy storage
2. The component of the feedback
system that detects change in the external or internal environment
is the .
a. control center
b. stimuli
c. effector
d. receptor: d. receptor
3. Which pair of terms could be used to describe the location of the
nose when compared to the location of the eyes?
a. Medial and superior
b. Superior and distal
c. Medial and inferior
,d. Lateral and proximal: c. Medial and inferior
4. Which of the following molecules are formed from nucleotides?
a. RNA and DNA
b. DNA and ATP
c. RNA, DNA and ATP
d. Enzymes: c. RNA, DNA and ATP
5. Homeostasis is the condition in which the body maintains
a. a changing state within an unlimited range
b. a relatively stable internal environment within limits
c. a static state with no deviation from preset points
d. the lowest possible energy usage: b. a relatively stable internal environment within
limits
6. A positive feedback mechanism is defined as
a. a feedback mechanism that reinforces the change in the controlled
environ- ment
b. a feedback mechanism that removes the original stimuli
c. a feedback mechanism that reverse a change in a controlled
condition
d. the dominant feedback mechanism of the body: a. a feedback mechanism
that reinforces the change in the controlled condition
,7. A structure made up of two or more types of tissues that performs
a specific set of functions is at what level of organization?
a. system
b. chemical
c. organ
d. tissue
e. cellular: c. organ
8. Which of the following situations would represent a serious
disruption of the homeostasis of the volume and composition of
body fluids?
a. eating a normal meal and drinking a gallon of water
b. drinking a sports drink after playing a game
c. frequent urination due to UTI
d. sweating on a warm day and drinking lemonade
e. becoming dehydrated as your lifeboat drifts in the ocean: e. becoming
dehydrated as your lifeboat drifts in the ocean
9. Which is not true about carbohydrates?
a. they include glycogen and cellulose
b. they typically contain hydroxyl groups
c. they contain carbon, hydrogen and oxygen
d. their monomer is a simple sugar
, e. they have mostly ionic bonds: e. they have mostly ionic bonds
10. Louis lies down on his bed on his back. What is his body
position?
a. lateral
b. anatomical position
c. prone
d. supine: d. supine
11. What plane divides something into equal left and right halves?
a. transverse
b. parasagittal plane
c. coronal place
d. midsagittal place: d. midsagittal plane
12. Which of the following describes the major significance of
the element carbon in the human body?
a. carbon is the element in hemoglobin that binds oxygen
b. carbon is required to harden the structure of bones and teeth
c. carbon is the major element in water
d. carbon forms the backbone of all organic molecules: d. carbon forms the
backbone of all organic molecules
Answers
1. Which of the following is not characteristic of phospholipids?
a. The tail groups are non polar
b. They are a major form of energy storage
c. They contain a glycerol backbone
d. The molecule is an important part of cell membranes: b. They are a major
form of energy storage
2. The component of the feedback
system that detects change in the external or internal environment
is the .
a. control center
b. stimuli
c. effector
d. receptor: d. receptor
3. Which pair of terms could be used to describe the location of the
nose when compared to the location of the eyes?
a. Medial and superior
b. Superior and distal
c. Medial and inferior
,d. Lateral and proximal: c. Medial and inferior
4. Which of the following molecules are formed from nucleotides?
a. RNA and DNA
b. DNA and ATP
c. RNA, DNA and ATP
d. Enzymes: c. RNA, DNA and ATP
5. Homeostasis is the condition in which the body maintains
a. a changing state within an unlimited range
b. a relatively stable internal environment within limits
c. a static state with no deviation from preset points
d. the lowest possible energy usage: b. a relatively stable internal environment within
limits
6. A positive feedback mechanism is defined as
a. a feedback mechanism that reinforces the change in the controlled
environ- ment
b. a feedback mechanism that removes the original stimuli
c. a feedback mechanism that reverse a change in a controlled
condition
d. the dominant feedback mechanism of the body: a. a feedback mechanism
that reinforces the change in the controlled condition
,7. A structure made up of two or more types of tissues that performs
a specific set of functions is at what level of organization?
a. system
b. chemical
c. organ
d. tissue
e. cellular: c. organ
8. Which of the following situations would represent a serious
disruption of the homeostasis of the volume and composition of
body fluids?
a. eating a normal meal and drinking a gallon of water
b. drinking a sports drink after playing a game
c. frequent urination due to UTI
d. sweating on a warm day and drinking lemonade
e. becoming dehydrated as your lifeboat drifts in the ocean: e. becoming
dehydrated as your lifeboat drifts in the ocean
9. Which is not true about carbohydrates?
a. they include glycogen and cellulose
b. they typically contain hydroxyl groups
c. they contain carbon, hydrogen and oxygen
d. their monomer is a simple sugar
, e. they have mostly ionic bonds: e. they have mostly ionic bonds
10. Louis lies down on his bed on his back. What is his body
position?
a. lateral
b. anatomical position
c. prone
d. supine: d. supine
11. What plane divides something into equal left and right halves?
a. transverse
b. parasagittal plane
c. coronal place
d. midsagittal place: d. midsagittal plane
12. Which of the following describes the major significance of
the element carbon in the human body?
a. carbon is the element in hemoglobin that binds oxygen
b. carbon is required to harden the structure of bones and teeth
c. carbon is the major element in water
d. carbon forms the backbone of all organic molecules: d. carbon forms the
backbone of all organic molecules
