1 || |P |a |g |e
NR 305 EXAM 1 2026 UPDATED QUESTIONS
AND VERIFIED ANSWERS
Of the fluid surrounding body cells compared to
| | | | | | |
that within the cells?
| | | |
- ANSWERS ✔✔The composition of the fluid | | | | | |
surrounding body cells is the same as that
| | | | | | | |
within the cells.
| | |
What is the general purpose of positive feedback
| | | | | | |
mechanisms?
|
- ANSWERS ✔✔To bring about a rapid change | | | | | | |
in the body.
| | |
,2 || |P |a |g |e
What does the internal environment of the body
| | | | | | |
refer to?
| |
- ANSWERS ✔✔The plasma, the interstitial | | | | |
fluid, and the intracellular fluid combined.
| | | | | |
True or False: One function of epithelial cells is to
| | | | | | | | |
form selective barriers regulating exchange of
| | | | | |
materials across them
| | |
. - ANSWERS ✔✔True.
| | | |
True or False: A person who is acclimated to a hot
| | | | | | | | | |
environment will react physiologically to a
| | | | | |
decreased environmental temperature faster
| | | |
than someone who is not.
| | | | |
- ANSWERS ✔✔True.
| | |
,3 || |P |a |g |e
True or False: When loss of a substance from the
| | | | | | | | |
body exceeds the gain, the body is said to be in
| | | | | | | | | | |
positive balance for that substance.
| | | | |
- ANSWERS ✔✔False. | |
What process is blood clotting an example of?
| | | | | | |
- ANSWERS ✔✔Positive feedback. | | |
What type of control involves neurons in the
| | | | | | |
vagus nerve affecting heart rate?
| | | | |
- ANSWERS ✔✔Neural control. | | |
What is the term for the developmental process
| | | | | | |
that leads to specialized cell types?
| | | | | |
- ANSWERS ✔✔Differentiation. | |
, 4 || |P |a |g |e
What is the breastfeeding process an example of?
| | | | | | |
- ANSWERS ✔✔Positive feedback. | | |
How is autocrine regulation best described?
| | | | |
- ANSWERS ✔✔Chemical regulators affect the
| | | | |
same cells that produce them.
| | | | |
What is the defining feature of the discipline of
| | | | | | | |
physiology?
|
- ANSWERS ✔✔Homeostasis. | |
What is the order of components in a general reflex
| | | | | | | | |
arc following a stimulus?
| | | |
- ANSWERS ✔✔Receptor, afferent pathway, | | | |
integrating center, efferent pathway, effector.
| | | | |
NR 305 EXAM 1 2026 UPDATED QUESTIONS
AND VERIFIED ANSWERS
Of the fluid surrounding body cells compared to
| | | | | | |
that within the cells?
| | | |
- ANSWERS ✔✔The composition of the fluid | | | | | |
surrounding body cells is the same as that
| | | | | | | |
within the cells.
| | |
What is the general purpose of positive feedback
| | | | | | |
mechanisms?
|
- ANSWERS ✔✔To bring about a rapid change | | | | | | |
in the body.
| | |
,2 || |P |a |g |e
What does the internal environment of the body
| | | | | | |
refer to?
| |
- ANSWERS ✔✔The plasma, the interstitial | | | | |
fluid, and the intracellular fluid combined.
| | | | | |
True or False: One function of epithelial cells is to
| | | | | | | | |
form selective barriers regulating exchange of
| | | | | |
materials across them
| | |
. - ANSWERS ✔✔True.
| | | |
True or False: A person who is acclimated to a hot
| | | | | | | | | |
environment will react physiologically to a
| | | | | |
decreased environmental temperature faster
| | | |
than someone who is not.
| | | | |
- ANSWERS ✔✔True.
| | |
,3 || |P |a |g |e
True or False: When loss of a substance from the
| | | | | | | | |
body exceeds the gain, the body is said to be in
| | | | | | | | | | |
positive balance for that substance.
| | | | |
- ANSWERS ✔✔False. | |
What process is blood clotting an example of?
| | | | | | |
- ANSWERS ✔✔Positive feedback. | | |
What type of control involves neurons in the
| | | | | | |
vagus nerve affecting heart rate?
| | | | |
- ANSWERS ✔✔Neural control. | | |
What is the term for the developmental process
| | | | | | |
that leads to specialized cell types?
| | | | | |
- ANSWERS ✔✔Differentiation. | |
, 4 || |P |a |g |e
What is the breastfeeding process an example of?
| | | | | | |
- ANSWERS ✔✔Positive feedback. | | |
How is autocrine regulation best described?
| | | | |
- ANSWERS ✔✔Chemical regulators affect the
| | | | |
same cells that produce them.
| | | | |
What is the defining feature of the discipline of
| | | | | | | |
physiology?
|
- ANSWERS ✔✔Homeostasis. | |
What is the order of components in a general reflex
| | | | | | | | |
arc following a stimulus?
| | | |
- ANSWERS ✔✔Receptor, afferent pathway, | | | |
integrating center, efferent pathway, effector.
| | | | |
