The energy of motion is known as _________ energy.
Fill in the blank with correct word.
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Question 2) Stored energy is described as potential energy.
Indicate whether this statement is true or false.
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Question 3) The sodium level inside and outside of a resting cell is an example of the
A. kinetic energy of sodium rushing out of a cell down its concentration gradient.
B. kinetic energy of the large difference in sodium concentration on the inside versus the outside of the cell.
C. potential energy of a concentration gradient, because sodium is more abundant outside the cell.
D. potential energy of an electron transport chain, because sodium has an extra electron to donate.
E. conversion of potential energy to kinetic energy, because sodium can never move across the cell membrane and must move across its surface.
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Question 4) Which of the following structures is NOT produced from the mesoderm?
a) Melanocytes
b) All skeletal muscle
c) All cardiac muscle
d) Blood vessels
e) Lymphatic tissue
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Question 5) Which of the following are major potential teratogens that affect embryonic development?
a) Alcohol
b) Cigarette smoke
c) Various prescription drugs
d) Irradiation
e) All of these
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Question 6) Which of the following structures is(are) produced from the endoderm?
a) Cartilage
b) Dermis of the skin
c) Kidneys and ureters
d) Internal and external ear
e) Gametes
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Question 7) When are the three primary germ layers established during pregnancy?
a) First week of development
b) Second week of development
c) Third week of development
d) Fourth week of development
e) Second month of development
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Question 8) Which of the following is a noninvasive prenatal test?
a) AFP
b) CVS
c) Amniocentesis
d) All of these
e) None of these
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Question 9) Which of the following is not a molecule at the metabolic crossroads ?
a) Glucose 6-phosphate
b) Pyruvic acid
c) Acetyl coenzyme a
d) Glycogen
e) All of these are molecules at the metabolic crossroads
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Question 10) Which of the following is a function of the hormone corticotropin-releasing hormone?
a) Maintain endometrium of uterus during pregnancy
b) Help prepare mammary glands for lactation
c) Establish the timing of birth
d) Increase flexibility of the pubic symphysis
e) All of these are functions of CRH
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