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PODA EXAM 4 QUESTIONS WITH 100% CORRECT ANSWERS!!
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PODA EXAM 4 QUESTIONS WITH 100% CORRECT ANSWERS!!
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PODA EXAM 4QUESTIONS
WITH 100%
CORRECT
ANSWERS!!
Evatee 8/28/24 PODA
,PODA EXAM 4 QUESTIONS WITH 100%
CORRECT ANSWERS!!
Contribute to the EC50 being lower than the Kd for a drug in a certain tissue
Answer - presence of spare receptors
The ___ portion of the cell membrane functions as a barrier, while the ___
portion determines specific functions including pumps, receptors, adhesion,
etc.
a. lipid, protein
b. lipid, carbohydrate
c. carbohydrate, nucleic acid
d. nucleic acid, lipid Answer - A
Which of the following is correct with regard to passive transport?
a. it always requires a protein to mediate transport
b. it requires energy to create a higher concentration of materials outside the
cell
c. it allows particles to pass without the use of cellular energy
d. passive transport through plasma membranes is facilitated through
hydrophilic molecules Answer - C
The body's internal environment must:
a. always increase the set points of various parameters
, b. stay within narrow ranges that support human life
c. avoid exposure to sudden external temperature changes
d. stay the same as its external environment Answer - B
What type of signaling works over great distances, can have a long duration,
and operates over a diffuse area?
a. autocrine
b. endocrine
c. nervous
d. paracrine Answer - B
Negative-feedback mechanisms
a. do not occur in healthy individuals
b. respond by making deviations from normal even larger
c. are not homeostatic
d. occur when the end product of a process reduces the stimulus of the same
process Answer - D
Blood glucose is controlled by
a. hormones from the pancreas
b. chemicals from the liver
c. brain generated chemicals
d. the blood Answer - A
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