BIO 2301 LAB EXAM #2 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What refers to a molecule that can induce an immune response? - CORRECT ANSWER -
antigen
what is sometimes found on the surface of red blood cells and can cause problems during
transfusions? - CORRECT ANSWER - antigen
which of the following is found on the surface of type O red blood cells? - CORRECT
ANSWER - neither the A or B antigen
what is found on the surface of type A red blood cells? - CORRECT ANSWER - the A
antigen
an individual with type A negative blood could safely receive blood from what type of blood? -
CORRECT ANSWER - A negative
Anti Rh antiserum is labeled as what in this laboratory? - CORRECT ANSWER - anti D
the angiotensin II infusion has what effect? - CORRECT ANSWER - peripheral resistance
is increased
what change in cardiac output is expected after an increase in resistance? - CORRECT
ANSWER - decrease in cardiac output
the pressure within the lungs itself is called - CORRECT ANSWER - intrapulmonic
pressure
, true or false: atmospheric pressure always remains negative compared to intrapulmonic pressure
- CORRECT ANSWER - false
if the atmospheric pressure is 757 mmHg and the intrapulmonic pressure is 763 mmHg, what
process will occur? - CORRECT ANSWER - exhalation
what is responsible for reducing surface tension and helping keep the alveoli open for gas
exchange? - CORRECT ANSWER - surfactant
true or false: another word for breathing is internal respiration - CORRECT ANSWER -
false
true or false: premature infants have difficulty breathing on their own most often due to the
diaphragm not being fully developed - CORRECT ANSWER - false
when the thoracic cavity lifts up and out just prior to inhalation, this creates - CORRECT
ANSWER - decreased pressure
pancreatic enzymes are important to the digestion of what nutrients? - CORRECT
ANSWER - carbohydrates, fats and proteins
distinguish between the roles of bile and lipase - CORRECT ANSWER - bile emulsifies
fat increasing its surface area; lipase digests (breaks chemical bonds) the fat
be particularly cognoscente of the signs that the thermoregulatory mechanism has failed -
CORRECT ANSWER - lack of sweating in the heat; lack of shivering in the cold
at what point in the cardiac cycle do the AV valves open? close? - CORRECT ANSWER -
open- end of isovolumic relaxation
close- beginning of isovolumic contraction/ beginning or atrial diastole
ACTUAL Exam Questions and CORRECT
Answers
What refers to a molecule that can induce an immune response? - CORRECT ANSWER -
antigen
what is sometimes found on the surface of red blood cells and can cause problems during
transfusions? - CORRECT ANSWER - antigen
which of the following is found on the surface of type O red blood cells? - CORRECT
ANSWER - neither the A or B antigen
what is found on the surface of type A red blood cells? - CORRECT ANSWER - the A
antigen
an individual with type A negative blood could safely receive blood from what type of blood? -
CORRECT ANSWER - A negative
Anti Rh antiserum is labeled as what in this laboratory? - CORRECT ANSWER - anti D
the angiotensin II infusion has what effect? - CORRECT ANSWER - peripheral resistance
is increased
what change in cardiac output is expected after an increase in resistance? - CORRECT
ANSWER - decrease in cardiac output
the pressure within the lungs itself is called - CORRECT ANSWER - intrapulmonic
pressure
, true or false: atmospheric pressure always remains negative compared to intrapulmonic pressure
- CORRECT ANSWER - false
if the atmospheric pressure is 757 mmHg and the intrapulmonic pressure is 763 mmHg, what
process will occur? - CORRECT ANSWER - exhalation
what is responsible for reducing surface tension and helping keep the alveoli open for gas
exchange? - CORRECT ANSWER - surfactant
true or false: another word for breathing is internal respiration - CORRECT ANSWER -
false
true or false: premature infants have difficulty breathing on their own most often due to the
diaphragm not being fully developed - CORRECT ANSWER - false
when the thoracic cavity lifts up and out just prior to inhalation, this creates - CORRECT
ANSWER - decreased pressure
pancreatic enzymes are important to the digestion of what nutrients? - CORRECT
ANSWER - carbohydrates, fats and proteins
distinguish between the roles of bile and lipase - CORRECT ANSWER - bile emulsifies
fat increasing its surface area; lipase digests (breaks chemical bonds) the fat
be particularly cognoscente of the signs that the thermoregulatory mechanism has failed -
CORRECT ANSWER - lack of sweating in the heat; lack of shivering in the cold
at what point in the cardiac cycle do the AV valves open? close? - CORRECT ANSWER -
open- end of isovolumic relaxation
close- beginning of isovolumic contraction/ beginning or atrial diastole
