PHYSIOLOGY - FINAL (NIGHTINGALE COLLEGE) | FROM
QUESTION TO PERFECTION| STUDY WITH CONFIDENCE!
Positive-feedback control systems: Answer: accelerate a change.
Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa Answer: 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. Answer: the body trying to maintain homeostasis and a
negative-feedback mechanism
The term that literally means self-immunity is: Answer: autoimmunity
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes
by a lipoprotein envelope are called: Answer: viruses
Pathogenesis can be defined as: Answer: the course of disease development.
Intrinsic control: Answer: 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 Answer: transmitter
Negative-feedback control systems: Answer: 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. Answer: All the above are correct of the negative-feedback mechanisms
The amino group in an amino acid is: Answer: NH3+
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, The element that is present in all proteins but not in carbohydrates is: Answer: nitrogen
Which of the following is not one of the major groups of organic substances in the human body?
-proteins
-salts
-lipids
-nucleic acids Answer: salts
The term glycoprotein, a combination of two words, tells you that the compound is made of
_____, with _____ being the dominant component. Answer: 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: Answer: essential amino acids
Which energy-releasing or energy-transferring molecule does not contain a nucleotide?
Answer: Creatine phosphate
Which level of protein structure refers to the number, kind, and sequence of amino acids?
Answer: primary
All of the following substances are organic except:
-lipids
-electrolytes
-carbohydrates
-proteins Answer: electrolytes
Which of the following is not true of RNA?
-it contains ribose sugar
-it contains adenine
-it is composed of smaller molecules called nucleotides
-all of the above are true of RNA Answer: all of the above are true of RNA
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are:
Answer: Steroids
The type of lipoprotein associated with "bad" cholesterol and the production of atherosclerotic
changes in blood vessels is: Answer: LDL
What is the most important factor in determining the physical and chemical properties of fatty
acids? Answer: Degree of saturation
Peptide bonds join together molecules of: Answer: amino acids
When two molecules of glucose are joined, they form which disaccharide? Answer: maltose
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2
QUESTION TO PERFECTION| STUDY WITH CONFIDENCE!
Positive-feedback control systems: Answer: accelerate a change.
Of the pathogenic organisms, which of the following are the most complex?
-Viruses
-Tapeworms
-Bacteria
-Protozoa Answer: 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. Answer: the body trying to maintain homeostasis and a
negative-feedback mechanism
The term that literally means self-immunity is: Answer: autoimmunity
Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes
by a lipoprotein envelope are called: Answer: viruses
Pathogenesis can be defined as: Answer: the course of disease development.
Intrinsic control: Answer: 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 Answer: transmitter
Negative-feedback control systems: Answer: 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. Answer: All the above are correct of the negative-feedback mechanisms
The amino group in an amino acid is: Answer: NH3+
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, The element that is present in all proteins but not in carbohydrates is: Answer: nitrogen
Which of the following is not one of the major groups of organic substances in the human body?
-proteins
-salts
-lipids
-nucleic acids Answer: salts
The term glycoprotein, a combination of two words, tells you that the compound is made of
_____, with _____ being the dominant component. Answer: 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: Answer: essential amino acids
Which energy-releasing or energy-transferring molecule does not contain a nucleotide?
Answer: Creatine phosphate
Which level of protein structure refers to the number, kind, and sequence of amino acids?
Answer: primary
All of the following substances are organic except:
-lipids
-electrolytes
-carbohydrates
-proteins Answer: electrolytes
Which of the following is not true of RNA?
-it contains ribose sugar
-it contains adenine
-it is composed of smaller molecules called nucleotides
-all of the above are true of RNA Answer: all of the above are true of RNA
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are:
Answer: Steroids
The type of lipoprotein associated with "bad" cholesterol and the production of atherosclerotic
changes in blood vessels is: Answer: LDL
What is the most important factor in determining the physical and chemical properties of fatty
acids? Answer: Degree of saturation
Peptide bonds join together molecules of: Answer: amino acids
When two molecules of glucose are joined, they form which disaccharide? Answer: maltose
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
