WCU PHYS 261: WEEK 1 QUIZ CH. 1, 2
In which type of chemical bonding are the electrons most equally shared between
atoms? - Answers -covalent bonds
Homeostasis is the ability of the body to - Answers -quickly restore changed conditions
to normal.
Ions with a positive charge are called - Answers -cations
After a meal, blood glucose increases. Increased blood glucose is the stimulus for a
reflex pathway that releases insulin into the blood, and the response is decreased blood
glucose. This is an example of which of the following? - Answers -negative feedback
Physiology is the study of - Answers -the normal function of living organisms
Ions with a negative charge are called - Answers -anions
Oxytocin is a hormone released in response to cervical dilation. This causes more
uterine contractions that will further dilate the cervix. Which type of feedback does
oxytocin trigger? - Answers -positive feedback
Which statement describes the relationship between pH and hydrogen ions? - Answers
-pH and hydrogen ions are inversely related.
HCl (hydrochloric acid) is an acid because - Answers -in solution it donates its H+.
Potassium channels are usually made up of several subunits. This is an example of
which level of protein structure? - Answers -quaternary
Part complete
Which system(s) does NOT exchange material with the internal and external
environments? - Answers -circulatory system
Which term best describes the part of a control system that receives information about a
homeostatically regulated variable and initiates an appropriate response? - Answers -
integrating center
The symbol Ca2+ means calcium has - Answers -lost two electrons
Nucleotides perform which function(s)? - Answers -They transfer energy and are part
of genetic material
In which type of chemical bonding are the electrons most equally shared between
atoms? - Answers -covalent bonds
Homeostasis is the ability of the body to - Answers -quickly restore changed conditions
to normal.
Ions with a positive charge are called - Answers -cations
After a meal, blood glucose increases. Increased blood glucose is the stimulus for a
reflex pathway that releases insulin into the blood, and the response is decreased blood
glucose. This is an example of which of the following? - Answers -negative feedback
Physiology is the study of - Answers -the normal function of living organisms
Ions with a negative charge are called - Answers -anions
Oxytocin is a hormone released in response to cervical dilation. This causes more
uterine contractions that will further dilate the cervix. Which type of feedback does
oxytocin trigger? - Answers -positive feedback
Which statement describes the relationship between pH and hydrogen ions? - Answers
-pH and hydrogen ions are inversely related.
HCl (hydrochloric acid) is an acid because - Answers -in solution it donates its H+.
Potassium channels are usually made up of several subunits. This is an example of
which level of protein structure? - Answers -quaternary
Part complete
Which system(s) does NOT exchange material with the internal and external
environments? - Answers -circulatory system
Which term best describes the part of a control system that receives information about a
homeostatically regulated variable and initiates an appropriate response? - Answers -
integrating center
The symbol Ca2+ means calcium has - Answers -lost two electrons
Nucleotides perform which function(s)? - Answers -They transfer energy and are part
of genetic material
