________ tissue covers body surfaces.
A) Nervous
B) Epithelial
C) Connective
D) Muscle
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Question 2) ________ is the discipline dedicated to the study of tissues.
A) Physiology
B) Biology
C) Anatomy
D) Histology
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Question 3) When placed in isotonic solution, red blood cells will ________.
A) shrivel
B) neither swell nor shrivel
C) swell and eventually lyse
D) There is not enough information to answer the question.
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Question 4) Which of the following statements explains the observation that dye diffuses more quickly as temperature increases?
A) Random motion of particles decreases as temperature increases.
B) Random motion of particles increases as temperature decreases.
C) Random motion of particles decreases as temperature decreases.
D) Random motion of particles increases as temperature increases.
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Question 5) Given two aqueous solutions with different concentrations of solute, separated by a selectively permeable membrane (permeable to water, but not solute), water will move from the solution with ________ solute concentration to the solution with ________ solute concentration.
A) greater; lesser
B) lesser; greater
C) Water will not move between the two solutions.
D) There is not enough information to answer the question.
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Question 6) Solution 1 has a solute concentration of 10 mOsm. Solution 2 has a solute concentration of 3 mOsm. Solution 3 has a solute concentration of 25 mOsm. Solution 4 has a solute concentration of 10 mOsm. Which of the solutions are isotonic?
A) solution 1 and solution 4
B) solution 2 and solution 4
C) solution 1 and solution 3
D) solution 3 and solution 4
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Question 7) If a red blood cell, which has an internal solute concentration of 280 mOsm, is placed in a solution of pure water (0 mOsm) ________.
A) the cell is hypotonic compared to the environment and will quickly lose water
B) the cell is hypertonic compared to the environment and will quickly lose water
C) the cell is hypertonic compared to the environment and will quickly gain water
D) the cell is hypotonic compared to the environment and will quickly gain water
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Question 8) Solution 1 has a solute concentration of 10 mOsm. Solution 2 has a solute concentration of 3 mOsm. Solution 3 has a solute concentration of 25 mOsm. Solution 1 is ________ to solution 2.
A) hypertonic
B) hypotonic
C) isotonic
D) There is not enough information to answer the question.
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Question 9) Solution 1 has a solute concentration of 10 mOsm. Solution 2 has a solute concentration of 3 mOsm. Solution 3 has a solute concentration of 25 mOsm. Solution 1 is ________ to solution 3.
A) hypotonic
B) hypertonic
C) isotonic
D) There is not enough information to answer the question.
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Question 10) Which of the following conditions must be met if diffusion across a membrane is to occur?
A) A concentration gradient must be present, and the membrane can't be permeable to the substance being transported.
B) A concentration gradient must be present, and the membrane must be permeable to the substance that is to be transported.
C) The membrane must be permeable to the substance that is to be transported.
D) A concentration gradient must be present.
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