A strong acid is one that _____ and an example is _____.
A) gives off less H+; H3PO4 B) ionizes less completely; H2SO4
C) ionizes more completely; H2CO3 D) ionizes more completely; HC1
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Question 2) The two general types of chromosomes are
A) sex chromosomes and allosomes. B) sex chromosomes and autosomes.
C) X and Y chromosomes. D) autosomes and allosomes.
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Question 3) The cells of a blastocyst that help form the chorion constitute the
A) blastomere. B) zona pellucida.
C) inner cell mass. D) trophoblast.
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Question 4) In emphysema,
A) tar from cigarettes blackens alveoli.
B) cells in the bronchial lining divide too fast.
C) membranes form within alveoli, increasing surface area.
D) pressure in alveoli increases and their walls burst, coalescing them and decreasing
the surface area for gas exchange.
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Question 5) The epididymis is a _____ and it _____.
A) stage of spermatogenesis; forms two sperm cells and semen
B) tightly coiled tube on the outside of the testis; is the location for sperm maturation
C) compartment inside a testis; secretes testosterone and forms sperm
D) compartment that contains seminiferous tubules; ejaculates sperm
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Question 6) Alkalosis is a pH of arterial blood
A) above 7.45 B) above 7.35 C) below 7.35 D) below 7.45
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Question 7) The hormone measured in a pregnancy test is
A) ADH. B) hCG. C) estrogen. D) progesterone.
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Question 8) Gram for gram, carbohydrate provides about twice as much energy as protein.
Indicate whether the statement is true or false
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Question 9) The two types of information needed to predict the inheritance pattern of a trait are
A) the age at which the trait appears and how it affects males or females.
B) the health of the mother and the father.
C) the way genes are distributed in meiosis and the way that they come together when
sperm joins egg.
D) the way mitosis distributes the alleles of a gene and whether those alleles are
dominant or recessive.
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Question 10) Smokers are more susceptible to respiratory infections because
A) their respiratory passages lose cilia, which would otherwise remove bacteria.
B) their respiratory passages overproduce cilia, to which bacteria cling.
C) the respiratory passages have too little mucus.
D) they congregate in small areas to smoke.
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