SCI 221 PHYSIOLOGY COMPREHENSIVE EXAM
QUESTIONS AND SOLUTIONS RATED A+
✔✔Of the 11 major body systems, which is the least involved in maintaining
homeostasis? - ✔✔Reproductive
✔✔If the secretion of oxytocin during childbirth operated as a negative-feedback control
loop, what effect would it have on uterine contractions? - ✔✔Oxytocin would inhibit
uterine contractions.
✔✔Which of the following is not one of the basic components in a feedback control
loop? - ✔✔Transmitter
✔✔Homeostasis can best be described as: - ✔✔a state of relative constancy
✔✔Epidemiology is the study of the _____ of diseases in human populations. -
✔✔occurrence, distribution, transmission
✔✔intrinsic control - ✔✔is sometimes called autoregulation
✔✔Which of the following is a protein substance with no DNA or RNA and is thought to
be the cause of mad cow disease? - ✔✔Prion
✔✔Which of the following may put one at risk for developing a given disease? -
✔✔Environment, stress ,lifestyle
✔✔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: - ✔✔viruses.
✔✔Pathogenesis can be defined as: - ✔✔the course of disease development
✔✔Of the pathogenic organisms, which of the following are the most complex? -
✔✔Tapeworms
✔✔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
✔✔Negative-feedback control systems: - ✔✔oppose a change
, ✔✔Shivering to try to raise your body temperature back to normal would be an example
of: - ✔✔the body trying to maintain homeostasis.a negative-feedback mechanism.
✔✔The body's thermostat is located in the - ✔✔hypothalamus.
✔✔Positive-feedback control systems: - ✔✔accelerate a change
✔✔The contraction of the uterus during the birth of a baby is an example of _____
feedback. - ✔✔positive
✔✔Which of the following is a basic component of every feedback control loop? -
✔✔sensor mechanism
integrating center
effector
feedback
✔✔The alpha helix is an example of which level of protein structure? - ✔✔Secondary
✔✔Sometimes referred to as animal starch, _____ is the main polysaccharide in the
body. - ✔✔glycogen
✔✔The formation of sucrose involves the removal of a molecule of water. This is called:
- ✔✔dehydration synthesis.
✔✔Which energy-releasing or energy-transferring molecule does not contain a
nucleotide? - ✔✔Creatine phosphate
✔✔Which lipid is part of vitamin D? - ✔✔Prostaglandins
✔✔Which level of protein structure refers to the number, kind, and sequence of amino
acids? - ✔✔Primary
✔✔If one side of a DNA molecule is CTAGGCTG, the other side would be: -
✔✔GATCCGAC.
✔✔The amino group in an amino acid is: - ✔✔NH3+
✔✔The term glycoprotein, a combination of two words, tells you that the compound is
made of _____, with _____ being the dominant component. - ✔✔carbohydrate and
protein; protein
✔✔The element that is present in all proteins but not in carbohydrates is: - ✔✔nitrogen
QUESTIONS AND SOLUTIONS RATED A+
✔✔Of the 11 major body systems, which is the least involved in maintaining
homeostasis? - ✔✔Reproductive
✔✔If the secretion of oxytocin during childbirth operated as a negative-feedback control
loop, what effect would it have on uterine contractions? - ✔✔Oxytocin would inhibit
uterine contractions.
✔✔Which of the following is not one of the basic components in a feedback control
loop? - ✔✔Transmitter
✔✔Homeostasis can best be described as: - ✔✔a state of relative constancy
✔✔Epidemiology is the study of the _____ of diseases in human populations. -
✔✔occurrence, distribution, transmission
✔✔intrinsic control - ✔✔is sometimes called autoregulation
✔✔Which of the following is a protein substance with no DNA or RNA and is thought to
be the cause of mad cow disease? - ✔✔Prion
✔✔Which of the following may put one at risk for developing a given disease? -
✔✔Environment, stress ,lifestyle
✔✔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: - ✔✔viruses.
✔✔Pathogenesis can be defined as: - ✔✔the course of disease development
✔✔Of the pathogenic organisms, which of the following are the most complex? -
✔✔Tapeworms
✔✔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
✔✔Negative-feedback control systems: - ✔✔oppose a change
, ✔✔Shivering to try to raise your body temperature back to normal would be an example
of: - ✔✔the body trying to maintain homeostasis.a negative-feedback mechanism.
✔✔The body's thermostat is located in the - ✔✔hypothalamus.
✔✔Positive-feedback control systems: - ✔✔accelerate a change
✔✔The contraction of the uterus during the birth of a baby is an example of _____
feedback. - ✔✔positive
✔✔Which of the following is a basic component of every feedback control loop? -
✔✔sensor mechanism
integrating center
effector
feedback
✔✔The alpha helix is an example of which level of protein structure? - ✔✔Secondary
✔✔Sometimes referred to as animal starch, _____ is the main polysaccharide in the
body. - ✔✔glycogen
✔✔The formation of sucrose involves the removal of a molecule of water. This is called:
- ✔✔dehydration synthesis.
✔✔Which energy-releasing or energy-transferring molecule does not contain a
nucleotide? - ✔✔Creatine phosphate
✔✔Which lipid is part of vitamin D? - ✔✔Prostaglandins
✔✔Which level of protein structure refers to the number, kind, and sequence of amino
acids? - ✔✔Primary
✔✔If one side of a DNA molecule is CTAGGCTG, the other side would be: -
✔✔GATCCGAC.
✔✔The amino group in an amino acid is: - ✔✔NH3+
✔✔The term glycoprotein, a combination of two words, tells you that the compound is
made of _____, with _____ being the dominant component. - ✔✔carbohydrate and
protein; protein
✔✔The element that is present in all proteins but not in carbohydrates is: - ✔✔nitrogen
