Page 1 of 25
USAHS PATHO EXAM 100+ QUESTIONS WITH CORRECT
DETAILED ANSWERS LATEST UPDATE THIS YEAR - JUST
RELEASED
To maintain homeostasis, the body must maintain mass balance. How much water must be
consumed if 2L was lost during exercise, 200 ml was produced, and another 300 ml was lost
during metabolism?
a. 1.8 L
b. 2.5 L
c. 2.1 L
d. 2.0 L
c. 2.1 L
Which is/are example(s) of a negative feedback loop?
a. regulating body temperature
b. regulating blood pH
c. regulating testosterone levels
d. all of the above
d. all of the above
Nico is waiting at the start line for the race to begin. His heart rate is starting to increase, and
he is breathing a little faster. This is an example of
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,Page 2 of 25
a. positive feedback.
b. feedforward control.
c. negative feedback.
d. reflex control.
e. local control.
b. feedforward control.
A patient in a clinical trial is given a placebo. This means the patient is
a. no longer in pain.
b. not expected to live.
c. given an experimental medicine that may or may not work.
d. given a pill that does not contain any medicine.
e. given an alternative medicine that is more likely to work.
d. given a pill that does not contain any medicine.
A glucose molecule entering the body in orange juice will go through which order of fluid
compartments as it gets absorbed through the intestinal epithelium?
a. interstitial → plasma → intracellular
b. plasma → interstitial → intracellular
c. intracellular → plasma → interstitial
d. intracellular → interstitial → plasma
d. intracellular → interstitial → plasma
2
, Page 3 of 25
The general functions of the cell membrane include
a. physical isolation.
b. communication between the cell and its environment.
c. regulation of exchange with the environment.
d. structural support.
e. All of the above.
e. All of the above.
Notice: the cell membrane DOES NOT ACT as a buffer.
Which organ system forms a protective boundary separating the body's internal environment
from the outside world?
a. circulatory system
b. endocrine system
c. integumentary system
d. nervous system
e. musculoskeletal system
c. integumentary system
Which two systems are the main control systems for long-distance cell-to-cell communication
in the body?
a. nervous and endocrine systems
b. nervous and circulatory systems
3
USAHS PATHO EXAM 100+ QUESTIONS WITH CORRECT
DETAILED ANSWERS LATEST UPDATE THIS YEAR - JUST
RELEASED
To maintain homeostasis, the body must maintain mass balance. How much water must be
consumed if 2L was lost during exercise, 200 ml was produced, and another 300 ml was lost
during metabolism?
a. 1.8 L
b. 2.5 L
c. 2.1 L
d. 2.0 L
c. 2.1 L
Which is/are example(s) of a negative feedback loop?
a. regulating body temperature
b. regulating blood pH
c. regulating testosterone levels
d. all of the above
d. all of the above
Nico is waiting at the start line for the race to begin. His heart rate is starting to increase, and
he is breathing a little faster. This is an example of
1
,Page 2 of 25
a. positive feedback.
b. feedforward control.
c. negative feedback.
d. reflex control.
e. local control.
b. feedforward control.
A patient in a clinical trial is given a placebo. This means the patient is
a. no longer in pain.
b. not expected to live.
c. given an experimental medicine that may or may not work.
d. given a pill that does not contain any medicine.
e. given an alternative medicine that is more likely to work.
d. given a pill that does not contain any medicine.
A glucose molecule entering the body in orange juice will go through which order of fluid
compartments as it gets absorbed through the intestinal epithelium?
a. interstitial → plasma → intracellular
b. plasma → interstitial → intracellular
c. intracellular → plasma → interstitial
d. intracellular → interstitial → plasma
d. intracellular → interstitial → plasma
2
, Page 3 of 25
The general functions of the cell membrane include
a. physical isolation.
b. communication between the cell and its environment.
c. regulation of exchange with the environment.
d. structural support.
e. All of the above.
e. All of the above.
Notice: the cell membrane DOES NOT ACT as a buffer.
Which organ system forms a protective boundary separating the body's internal environment
from the outside world?
a. circulatory system
b. endocrine system
c. integumentary system
d. nervous system
e. musculoskeletal system
c. integumentary system
Which two systems are the main control systems for long-distance cell-to-cell communication
in the body?
a. nervous and endocrine systems
b. nervous and circulatory systems
3
