Physiology - Final (Nightingale College)
Week 15 Questions With Complete
Solutions
Positive-feedback control systems:
accelerate a change.
Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa
Tapeworms
Shivering to try to raise your body temperature back to normal would be an
example of:
-the body trying to maintain homeostasis.
-a positive-feedback mechanism.
-a negative-feedback mechanism.
the body trying to maintain homeostasis and a negative-feedback mechanism
The term that literally means self-immunity is:
autoimmunity
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat
and sometimes by a lipoprotein envelope are called:
a. viruses
b. bacteria
,c. fungi
d. protozoa
viruses
Pathogenesis can be defined as:
a. a specific disease
b. a group of diseases
c. the course of disease development
d. a subgroup of viruses
the course of disease development.
Intrinsic control:
a. usually involves the endocrine or nervous system
b. operates at the cellular level
c. is sometimes called autoregulation
d. operates at the system or organism level
is sometimes called autoregulation.
Which of the following is not one of the basic components in a feedback control
loop?
-Effector mechanism
-Transmitter
-Sensor
-Integrating center
transmitter
Negative-feedback control systems:
oppose a change
Negative-feedback mechanisms:
-minimize changes in blood glucose levels.
-maintain homeostasis.
,-are responsible for an increased rate of sweating when air temperature is
higher than body temperature.
All the above are correct of the negative-feedback mechanisms
The amino group in an amino acid is:
NH3+
The element that is present in all proteins but not in carbohydrates is:
a. carbon
b. hydrogen
c. oxygen
d. nitrogen
nitrogen
Which of the following is not one of the major groups of organic substances in
the human body?
-proteins
-salts
-lipids
-nucleic acids
salts
The term glycoprotein, a combination of two words, tells you that the
compound is made of _____, with _____ being the dominant component.
a. a lipid and a protein; the lipid
b. carbohydrate and protein; carbohydrate
c. a lipid and a protein; the protein
d. carbohydrate and protein; protein
carbohydrate and protein; protein
, Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must
be included in the diet, are called:
a. enzymes
b. essential amino acids
c. structural proteins
d. peptide bonds
essential amino acids
Which energy-releasing or energy-transferring molecule does not contain a
nucleotide?
a. FAD
b. Creatine phosphate
c. NAD
d. ATP
Creatine phosphate
Which level of protein structure refers to the number, kind, and sequence of
amino acids?
a. primary
b. secondary
c. tertiary
d. quaternary
primary
All of the following substances are organic except:
-lipids
-electrolytes
-carbohydrates
-proteins
electrolytes
Week 15 Questions With Complete
Solutions
Positive-feedback control systems:
accelerate a change.
Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa
Tapeworms
Shivering to try to raise your body temperature back to normal would be an
example of:
-the body trying to maintain homeostasis.
-a positive-feedback mechanism.
-a negative-feedback mechanism.
the body trying to maintain homeostasis and a negative-feedback mechanism
The term that literally means self-immunity is:
autoimmunity
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat
and sometimes by a lipoprotein envelope are called:
a. viruses
b. bacteria
,c. fungi
d. protozoa
viruses
Pathogenesis can be defined as:
a. a specific disease
b. a group of diseases
c. the course of disease development
d. a subgroup of viruses
the course of disease development.
Intrinsic control:
a. usually involves the endocrine or nervous system
b. operates at the cellular level
c. is sometimes called autoregulation
d. operates at the system or organism level
is sometimes called autoregulation.
Which of the following is not one of the basic components in a feedback control
loop?
-Effector mechanism
-Transmitter
-Sensor
-Integrating center
transmitter
Negative-feedback control systems:
oppose a change
Negative-feedback mechanisms:
-minimize changes in blood glucose levels.
-maintain homeostasis.
,-are responsible for an increased rate of sweating when air temperature is
higher than body temperature.
All the above are correct of the negative-feedback mechanisms
The amino group in an amino acid is:
NH3+
The element that is present in all proteins but not in carbohydrates is:
a. carbon
b. hydrogen
c. oxygen
d. nitrogen
nitrogen
Which of the following is not one of the major groups of organic substances in
the human body?
-proteins
-salts
-lipids
-nucleic acids
salts
The term glycoprotein, a combination of two words, tells you that the
compound is made of _____, with _____ being the dominant component.
a. a lipid and a protein; the lipid
b. carbohydrate and protein; carbohydrate
c. a lipid and a protein; the protein
d. carbohydrate and protein; protein
carbohydrate and protein; protein
, Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must
be included in the diet, are called:
a. enzymes
b. essential amino acids
c. structural proteins
d. peptide bonds
essential amino acids
Which energy-releasing or energy-transferring molecule does not contain a
nucleotide?
a. FAD
b. Creatine phosphate
c. NAD
d. ATP
Creatine phosphate
Which level of protein structure refers to the number, kind, and sequence of
amino acids?
a. primary
b. secondary
c. tertiary
d. quaternary
primary
All of the following substances are organic except:
-lipids
-electrolytes
-carbohydrates
-proteins
electrolytes
