WCU PHYS 261: Week 1 Quiz Ch. 1, 2
In which type of chemical bonding are the electrons most equally shared between
atoms? - ✔️✔️covalent bonds
Homeostasis is the ability of the body to - ✔️✔️quickly restore changed conditions to
normal.
Ions with a positive charge are called - ✔️✔️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? - ✔️✔️negative feedback
Physiology is the study of - ✔️✔️the normal function of living organisms
Ions with a negative charge are called - ✔️✔️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? - ✔️✔️positive feedback
Which statement describes the relationship between pH and hydrogen ions? - ✔️✔️pH
and hydrogen ions are inversely related.
HCl (hydrochloric acid) is an acid because - ✔️✔️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? - ✔️✔️quaternary
Part complete
Which system(s) does NOT exchange material with the internal and external
environments? - ✔️✔️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? -
✔️✔️integrating center
The symbol Ca2+ means calcium has - ✔️✔️lost two electrons
Nucleotides perform which function(s)? - ✔️✔️They transfer energy and are part of
genetic material
In which type of chemical bonding are the electrons most equally shared between
atoms? - ✔️✔️covalent bonds
Homeostasis is the ability of the body to - ✔️✔️quickly restore changed conditions to
normal.
Ions with a positive charge are called - ✔️✔️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? - ✔️✔️negative feedback
Physiology is the study of - ✔️✔️the normal function of living organisms
Ions with a negative charge are called - ✔️✔️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? - ✔️✔️positive feedback
Which statement describes the relationship between pH and hydrogen ions? - ✔️✔️pH
and hydrogen ions are inversely related.
HCl (hydrochloric acid) is an acid because - ✔️✔️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? - ✔️✔️quaternary
Part complete
Which system(s) does NOT exchange material with the internal and external
environments? - ✔️✔️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? -
✔️✔️integrating center
The symbol Ca2+ means calcium has - ✔️✔️lost two electrons
Nucleotides perform which function(s)? - ✔️✔️They transfer energy and are part of
genetic material
