Phyl final exam practice Exam Questions
and Answers Graded A+
to allow a signal to spread quick to neighbouring cells so all cells behave the same
way at the same time, some smooth muscle cells are connected by:
a) desmosomes
b) gap junctions
c) hemidesmosomes
d) anchoring junctions
e) tight junctions - Correct answer-b) gap junctions
Testosterone is a common physiological hormone that has a neutral electrical
charge (i.e. it's not positive nor negative). Breaking its chemical bonds require
energy (or ATP). Based on this information, which types of chemical bonds are
present in testosterone?
a) ionic bonds
b) hydrogen bonds
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,c) van der waals forces
d) non-polar covalent bonds
e) polar covalent bonds - Correct answer-d) non polar covalent bonds
Exocrine cells in the pancreas produce digestive enzymes (i.e proteins). Which
organelle would you expect to find in large numbers within these cells?
a) smooth ER
b) rough ER
c) lysosome
d) peroxisome
e) mitochondria - Correct answer-b) rough ER
Which of these physiological systems are the main "regulators" in our bodies?
a) renal and nervous systems
b) endocrine and nervous systems
c) endocrine and reproductive systems
d) cardiovascular and endocrine systems
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,e) musculoskeletal and nervous systems - Correct answer-b) endocrine and nervous
systems
When you drink a glass of water, water goes from your digestive tract, to your
blood and then into your cells. Which of the following sequences best describe this
movement?
a) extracellular fluid --> intracellular fluid --> external environment
b) internal environment --> extracellular fluid --> intracellular fluid
c) internal environment --> external environment --> intracellular fluid
d) external environment --> extracellular fluid --> intracellular fluid
e) external environment --> extracellular fluid --> internal environment - Correct
answer-d) external environment --> extracellular fluid --> intracellular fluid
As you enter your apartment, you smell the delicious aromas of the chicken
burritos your roommate is preparing. This triggers your stomach to start secreting
digestive enzymes and protective mucus, even before you start eating. This is an
example of _____________.
a) negative feedback loop
b) feedforward control
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, c) long distance control
d) homeostasis
e) positive feedback loop - Correct answer-b) feedforward control
Which of the following statement best describes the ability of the body to maintain
homeostasis?
a) Quickly restoring changing conditions to within a normal range
b) Completely preventing the internal environment from changing
c) Using the nervous system to avoid blood glucose and body temperature from
becoming too high
d) Completely preventing the external environment from changing
e) Using the nervous system to ignore external stimuli - Correct answer-a) Quickly
restoring changing conditions to within a normal range
A teaspoon of olive oil is dropped into 1 L of water. Select ALL the characteristics
that accurately describe olive oil in this situation.
-has ionic bonds
-non-polar molecule
-protein
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and Answers Graded A+
to allow a signal to spread quick to neighbouring cells so all cells behave the same
way at the same time, some smooth muscle cells are connected by:
a) desmosomes
b) gap junctions
c) hemidesmosomes
d) anchoring junctions
e) tight junctions - Correct answer-b) gap junctions
Testosterone is a common physiological hormone that has a neutral electrical
charge (i.e. it's not positive nor negative). Breaking its chemical bonds require
energy (or ATP). Based on this information, which types of chemical bonds are
present in testosterone?
a) ionic bonds
b) hydrogen bonds
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,c) van der waals forces
d) non-polar covalent bonds
e) polar covalent bonds - Correct answer-d) non polar covalent bonds
Exocrine cells in the pancreas produce digestive enzymes (i.e proteins). Which
organelle would you expect to find in large numbers within these cells?
a) smooth ER
b) rough ER
c) lysosome
d) peroxisome
e) mitochondria - Correct answer-b) rough ER
Which of these physiological systems are the main "regulators" in our bodies?
a) renal and nervous systems
b) endocrine and nervous systems
c) endocrine and reproductive systems
d) cardiovascular and endocrine systems
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,e) musculoskeletal and nervous systems - Correct answer-b) endocrine and nervous
systems
When you drink a glass of water, water goes from your digestive tract, to your
blood and then into your cells. Which of the following sequences best describe this
movement?
a) extracellular fluid --> intracellular fluid --> external environment
b) internal environment --> extracellular fluid --> intracellular fluid
c) internal environment --> external environment --> intracellular fluid
d) external environment --> extracellular fluid --> intracellular fluid
e) external environment --> extracellular fluid --> internal environment - Correct
answer-d) external environment --> extracellular fluid --> intracellular fluid
As you enter your apartment, you smell the delicious aromas of the chicken
burritos your roommate is preparing. This triggers your stomach to start secreting
digestive enzymes and protective mucus, even before you start eating. This is an
example of _____________.
a) negative feedback loop
b) feedforward control
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, c) long distance control
d) homeostasis
e) positive feedback loop - Correct answer-b) feedforward control
Which of the following statement best describes the ability of the body to maintain
homeostasis?
a) Quickly restoring changing conditions to within a normal range
b) Completely preventing the internal environment from changing
c) Using the nervous system to avoid blood glucose and body temperature from
becoming too high
d) Completely preventing the external environment from changing
e) Using the nervous system to ignore external stimuli - Correct answer-a) Quickly
restoring changing conditions to within a normal range
A teaspoon of olive oil is dropped into 1 L of water. Select ALL the characteristics
that accurately describe olive oil in this situation.
-has ionic bonds
-non-polar molecule
-protein
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