Which of the following structures houses the spiral organ?
A) Cochlea
B) Semicircular duct
C) Tympanic cavity
D) Vestibule
E) Stapes
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Question 2) Which of the following has the most important effect on blood velocity?
A) Hematocrit
B) Blood osmolarity
C) Blood viscosity
D) Vessel length
E) Vessel radius
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Question 3) Hemophilia is caused by a sex-linked recessive allele. This means that ________.
A) a son who has hemophilia inherited the allele from his mother
B) a son who has hemophilia inherited the allele from his father
C) women can be carriers but cannot get hemophilia
D) a man can give the allele to his son but not to his daughter
E) the gene is found on the Y chromosome
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Question 4) The acromion is an anatomical feature of the ________.
A) ulna B) pollex C) scapula D) scaphoid E) clavicle
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Question 5) What does the medullary ischemic reflex result in?
A) Reduced circulation to the brain
B) Hormone secretion by the adrenal medulla when perfusion drops
C) Increased circulation to the adrenal medulla
D) Ischemia of the medulla oblongata
E) Increased circulation to the brain
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Question 6) Which of the following structures belong to the inner ear?
A) Tympanic membrane
B) Incus
C) Semicircular duct
D) Helix
E) Tensor tympani muscle
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Question 7) The change in size of the bone marrow (where blood cells are produced) as an infant matures is an example of ________, whereas the transformation of blood stem cells into white blood cells is an example of ________.
A) growth; development
B) development; differentiation
C) growth; differentiation
D) differentiation; growth
E) differentiation; development
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Question 8) The human ear can detect what frequency of vibrations?
A) 100 to 100,000 Hz
B) 5 to 20 Hz
C) 5 to 200,000 Hz
D) 20 to 20,000 Hz
E) 10 to 10,000 Hz
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Question 9) If one allele is not phenotypically expressed in the presence of another, we say that it is a(an) ________ allele.
A) heterozygous
B) dominant
C) homozygous
D) recessive
E) suppressed
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Question 10) Which of the following is not an aspect that could result in physiological variation?
A) Gender
B) Age
C) These are all aspects that can cause physiological variation.
D) Environment
E) Physical activity
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