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1 | |
In what two ways are human beings known to be similar to other animal species such as birds and dogs?
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| | A) | similar adult size and similar life span |
| | B) | similar coloration and similar shape |
| | C) | similar thinking ability and similar dream patterns |
| | D) | similar bone structures and similar stages of embryonic development |
| | E) | similar walking and running characteristics |
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2 | |
According to scientists, what main purpose is served by the bundles of nerve fibers that connect the two halves of the human brain?
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| | A) | to enable the two halves of the brain to share information |
| | B) | to hold the two halves of the brain together |
| | C) | to carry blood from one side of the brain to the other |
| | D) | to provide the brain with oxygen |
| | E) | to separate the brain into two halves |
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3 | |
Which phrase below best describes how the human brain is organized?
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| | A) | left brain controls right side of body and deals with reasoning skills; right brain controls left side of body and deal with spatial-relation, intuition, and artistic skills |
| | B) | right brain controls right side of body and deals with reasoning skills; left brain controls left side of body and deals with spatial-relation, intuition, and artistic skills |
| | C) | left brain controls all body functions; right brain controls reasoning skills, spatial-relation skills, intuition, and artistic skills |
| | D) | right brain controls all body functions; left brain controls reasoning skills, spatial-relation skills, intuition, and artistic skills |
| | E) | right and left brain equally share all body functions and all reasoning skills, spatial-relation skills, intuition, and artistic skills |
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4 | |
Whole-grain bread, beans, and rice are some of the main sources for which nutrient?
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| | A) | vitamins |
| | B) | fats |
| | C) | carbohydrates |
| | D) | minerals |
| | E) | protein |
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5 | |
What function is performed by the spinal cord?
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| | A) | The spinal cord gives strength to the spine. |
| | B) | The spinal cord makes it possible for the spine to be flexible. |
| | C) | The spinal cord is made of muscle tissue that gives strength to the back while bending and lifting. |
| | D) | The spinal cord controls the production of digestive juices and filters harmful substances from the blood. |
| | E) | The spinal cord is the communication link with the brain, used by all nerves within the body. |
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6 | |
What processes take place during respiration (breathing)?
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| | A) | Carbon dioxide is absorbed by the lungs for use by body cells, and waste oxygen is expelled from the lungs. |
| | B) | Oxygen is absorbed by the lungs for use by body cells, and waste carbon dioxide is expelled from the lungs. |
| | C) | Oxygen is absorbed by the lungs for use by body cells, and waste nitrogen is expelled from the lungs. |
| | D) | Nitrogen is absorbed by the lungs for use by body cells, and waste carbon dioxide is expelled from the lungs. |
| | E) | Both oxygen and carbon dioxide are absorbed by the lungs for use by body cells, with excess carbon dioxide being expelled from the lungs. |
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7 | |
What is a menstrual cycle?
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| | A) | the growth of a fertilized egg cell during the first three months following the start of pregnancy |
| | B) | the birth of a child by natural childbirth methods |
| | C) | the growth and release of a mature egg, ending with the shedding of the lining of the uterus as menstrual blood |
| | D) | the periodic production of sperm cells by a human male |
| | E) | the period of child-bearing years in a woman's life |
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8 | |
What are the only cells in humans that do not contain 46 chromosomes (23 sets of paired chromosomes)?
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| | A) | brain cells in both females and males |
| | B) | female uterine cell and male sperm cell |
| | C) | blood cells in both females and males |
| | D) | female egg cell and male sperm cell |
| | E) | hair cells in both females and males |
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9 | |
How do identical twins differ from fraternal twins?
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| | A) | Identical twins may be different genders (sex); fraternal twins are always the same gender. |
| | B) | Identical twins do not look alike; fraternal twins do look alike. |
| | C) | Identical twins have the same biological mother and father; fraternal twins do not. |
| | D) | Identical twins are formed from two eggs being fertilized by two sperm cells; fraternal twins result from the splitting of a single fertilized egg cell that was formed by a single egg and a single sperm cell. |
| | E) | Identical twins result from the splitting of a single fertilized egg cell; fraternal twins are formed from two eggs being fertilized by two sperm cells. |
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10 | |
For what purpose is amniocentesis most often performed on a pregnant woman?
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| | A) | to determine the position of the fetus in the uterus just prior to birth |
| | B) | to identify possible genetic disorders in a developing fetus |
| | C) | to check the weight of a developing fetus |
| | D) | to check the age of a developing fetus |
| | E) | to determine the gender (sex) of a developing fetus |
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2002 McGraw-Hill Higher Education