In Down syndrome
a. as the age of the mother increases, the chance of
the defect occurring in the unborn children
increases.
b. the influence of the father on the defect is equal
to that of the mother.
c. most embryos abort before complete term.
d. a person with the defect cannot have a normal
child.
e. none of these are true.
Answer: a
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A person suffers a stroke. A blood clot reduced blood flow in the brain. The person is unable to say
words, but is able to read and understand text. Which of the following best explains this person's problem?
a. The cortex of the cerebellum was affected by the reduced blood flow. b. The interruption in blood flow affected the corpus callosum. c. The region of damage was responsible for integration of visual and auditory stimuli. d. The reduced blood flow damaged Wernicke's area of the temporal lobe. e. The reduced blood flow damaged Broca's area of the temporal lobe.
A tissue type that is composed of fibroblasts and collagen fibers, provides support for intestinal muscles and forms
capsules around kidneys is known as ____ tissue.
a. dense, irregular connective b. dense, regular connective c. cartilage d. stratified epithelium e. simple squamous epithelium
The interaction of sympathetic and
parasympathetic systems is best described as a. antagonistic. b. cooperative. c. overriding. d. synergistic. e. ineffective.
How many membranes surround each chloroplast?
A) 1 B) 2 C) 3 D) 4