Midterm Exam
Due Nov 22 at 11:59pm Points 76 Questions 76
Available after Nov 21 at 12am Time Limit 60 Minutes
Instructions
You will have 2 hours to complete this 76-question exam.
Attempt History
Attempt Time Score
LATEST Attempt 1 44 minutes 70 out of 76
Submitted Nov 22 at 8:55pm
Question 1 pts
________ are kept within normal range by physiological control mechanisms which
are used if the variable strays too far from its ________.
Setpoints, regulated variable
Correct! Regulated variables, setpoint
Dependent variables, lowest value
Steady state values, integrating center
Independent variables, steady state
Question 2 pts
Which are used to keep our systems at or near their setpoints?
Correct! negative feedback loops
feedforward control loop
positive feedback loops
open control loops
response loops
, Question 3 pts
Today is your first exam, and as a result, your Blood Pressure is way
above the normal range (normal BP = 110/70, your blood pressure =
130/90). Baroreceptors (they detect changes in blood pressure) located
in your Aortic Arch and Carotid Sinuses detects the change in your BP
and sends this information to the Medulla located in your brain. The
Medulla will compare the information it just received with the set point
stored in it and realize that your BP has increased. The Medulla will
cause your arteries to dilate, your heart rate to decrease and finally your
urine production to increase.
Increase in the heart rate and urine production would be classified
as the ____________.
sensors
control center / integrating center
setpoint
Correct! effectors
variable
Question 4 pts
________ is a tissue that is modified to transmit chemical and electrical signals from
one cell to another.
Exocrine tissue
Epithelia tissue
Endothelium
Correct! Neural tissue
Connective tissue
Question 5 pts
Which consists of a network of intracellular membranes with attached
ribosomes?
mitochondria
smooth endoplasmic reticulum
, Golgi apparatus
nucleoli
Correct! rough endoplasmic reticulum
Question 6 pts
This organelle is the site of most ATP synthesis in the cell.
lysosomes
Correct! mitochondria
peroxisomes
endoplasmic reticulum
Golgi apparatus
Question 7 pts
You discovered a new cell that lacks lysosomes. This cell would NOT be able to
transport water-soluble molecules.
synthesize enzymes.
destroy H2O2.
synthesize lipids.
Correct! digest cellular wastes and bacteria.
Question 8 pts
The first molecule used to produce ATP is
sucrose.
vitamins.
Correct! glucose.
Due Nov 22 at 11:59pm Points 76 Questions 76
Available after Nov 21 at 12am Time Limit 60 Minutes
Instructions
You will have 2 hours to complete this 76-question exam.
Attempt History
Attempt Time Score
LATEST Attempt 1 44 minutes 70 out of 76
Submitted Nov 22 at 8:55pm
Question 1 pts
________ are kept within normal range by physiological control mechanisms which
are used if the variable strays too far from its ________.
Setpoints, regulated variable
Correct! Regulated variables, setpoint
Dependent variables, lowest value
Steady state values, integrating center
Independent variables, steady state
Question 2 pts
Which are used to keep our systems at or near their setpoints?
Correct! negative feedback loops
feedforward control loop
positive feedback loops
open control loops
response loops
, Question 3 pts
Today is your first exam, and as a result, your Blood Pressure is way
above the normal range (normal BP = 110/70, your blood pressure =
130/90). Baroreceptors (they detect changes in blood pressure) located
in your Aortic Arch and Carotid Sinuses detects the change in your BP
and sends this information to the Medulla located in your brain. The
Medulla will compare the information it just received with the set point
stored in it and realize that your BP has increased. The Medulla will
cause your arteries to dilate, your heart rate to decrease and finally your
urine production to increase.
Increase in the heart rate and urine production would be classified
as the ____________.
sensors
control center / integrating center
setpoint
Correct! effectors
variable
Question 4 pts
________ is a tissue that is modified to transmit chemical and electrical signals from
one cell to another.
Exocrine tissue
Epithelia tissue
Endothelium
Correct! Neural tissue
Connective tissue
Question 5 pts
Which consists of a network of intracellular membranes with attached
ribosomes?
mitochondria
smooth endoplasmic reticulum
, Golgi apparatus
nucleoli
Correct! rough endoplasmic reticulum
Question 6 pts
This organelle is the site of most ATP synthesis in the cell.
lysosomes
Correct! mitochondria
peroxisomes
endoplasmic reticulum
Golgi apparatus
Question 7 pts
You discovered a new cell that lacks lysosomes. This cell would NOT be able to
transport water-soluble molecules.
synthesize enzymes.
destroy H2O2.
synthesize lipids.
Correct! digest cellular wastes and bacteria.
Question 8 pts
The first molecule used to produce ATP is
sucrose.
vitamins.
Correct! glucose.
