Physio Quiz 1 (chapters 1, 3) Question
and answers already passed 2025
Negative feedback results in a response that opposes the original deviation
from normal.
True or False - correct answer True
A patient takes a daily thyroid hormone replacement medication to maintain
normal thyroid hormone levels.
True or False - correct answer False
In a feedback loop, the integrating center sends information to the ________.
a. sensor
b. effector
c. brain region
d. thermostat - correct answer b. effector
Both ________ and ________ are the regulators of effectors in most feedback
loops.
a. enzymes, nerve impulses
b. hormones, paracrines
c. neurotransmitters, enzymes
d. hormones, nerve impulses
, e. enzymes, hormones - correct answer d. hormones, nerve impulses
Homeostatic regulatory mechanisms known as ________ are "built-in" to the
organs being regulated.
a. intrinsic
b. extrinsic
c. exothermic
d. passive - correct answer a. intrinsic
The endocrine and nervous systems are considered ________ homeostatic
regulatory mechanisms.
a. intrinsic
b. active
c. extrinsic
d. passive - correct answer c. extrinsic
When blood glucose levels rise, the pancreatic islets are stimulated to release
insulin, which acts on target cells to uptake glucose from the blood. Thus, the
islets serve as the ________ in the feedback loop.
a. effectors
b. integrating center
c. sensors
d. all of the choices are correct - correct answer d. all of the choices are
correct
and answers already passed 2025
Negative feedback results in a response that opposes the original deviation
from normal.
True or False - correct answer True
A patient takes a daily thyroid hormone replacement medication to maintain
normal thyroid hormone levels.
True or False - correct answer False
In a feedback loop, the integrating center sends information to the ________.
a. sensor
b. effector
c. brain region
d. thermostat - correct answer b. effector
Both ________ and ________ are the regulators of effectors in most feedback
loops.
a. enzymes, nerve impulses
b. hormones, paracrines
c. neurotransmitters, enzymes
d. hormones, nerve impulses
, e. enzymes, hormones - correct answer d. hormones, nerve impulses
Homeostatic regulatory mechanisms known as ________ are "built-in" to the
organs being regulated.
a. intrinsic
b. extrinsic
c. exothermic
d. passive - correct answer a. intrinsic
The endocrine and nervous systems are considered ________ homeostatic
regulatory mechanisms.
a. intrinsic
b. active
c. extrinsic
d. passive - correct answer c. extrinsic
When blood glucose levels rise, the pancreatic islets are stimulated to release
insulin, which acts on target cells to uptake glucose from the blood. Thus, the
islets serve as the ________ in the feedback loop.
a. effectors
b. integrating center
c. sensors
d. all of the choices are correct - correct answer d. all of the choices are
correct
