Part 1 of 4 - 15.0/ 25.0 Points
Question 1 of 20 0.0/ 5.0 Points
Which of the following represents hierarchy of body structure from simplest to most complex?
A. Tissue, cell, organ, organ system, organism
B. Organism, organ system, organs, tissue, cell
C. Cell, organelle, organ, organ system, organism
D. Cell, tissue, organ, organ system, organism
Answer Key: D
Feedback: Please review Chapter 26.
Question 2 of 20 5.0/ 5.0 Points
The human body is composed of approximately ____________ types of cells.
A. 10,000
B. 4
C. 200
D. 50
Answer Key: C
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Question 3 of 20 0.0/ 5.0 Points
The intestines are anatomically categorized as a(n):
A. Organelle
B. Organ system
C. Organ
D. Tissue
Answer Key: C
Feedback: Please review Chapter 26.
Question 4 of 20 5.0/ 5.0 Points
Flat epithelial cells are called:
A. Squamous
B. Transitional
C. Pseudostratified
D. Columnar
Answer Key: A
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Question 5 of 20 5.0/ 5.0 Points
The lower portion of the abdominal cavity in humans is called the:
A. Subabdomen
B. Intestinal cavity
C. Groin
D. Pelvis cavity
Answer Key: D
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Part 2 of 4 - 20.0/ 25.0 Points
Question 6 of 20 0.0/ 5.0 Points
According to research studies on rats it may be possible to use vitamin A treatments in human for the following purpose:
A. Improving learning during sleep
B. Restoring lost memories
C. Decreasing memory loss due to brain diseases
D. Boosting a person’s IQ
Answer Key: C
Feedback: Please review Chapter 27.
Question 7 of 20 5.0/ 5.0 Points
Which of the following vitamins is not likely to cause overdose problems in humans?
A. Vitamin E
B. Vitamin D
C. Vitamin A
D. Vitamin B12
Answer Key: D
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Question 8 of 20 5.0/ 5.0 Points
This molecule is an essential nutrient needed as a medium for the body’s chemical reactions.
A. Water
B. Oxygen
C. Acetyl CoA
D. Ammonia
Answer Key: A
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Question 9 of 20 5.0/ 5.0 Points
Vitamin D absorbs best in the intestine when eaten with the following substance:
A. Fat
B. Simple sugars
C. Alcohol
D. Amino acids
Answer Key: A
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Question 10 of 20 5.0/ 5.0 Points
Which statement best defines essential amino acids?
A. They are manufactured by the body
B. It is essential that body is able to break them down
C. They are needed for enzyme function
D. They must be taken in through the diet
Answer Key: D
Feedback: Excellent!
Part 3 of 4 - 25.0/ 25.0 Points
Question 11 of 20 5.0/ 5.0 Points
The exchange of respiratory gases between the blood and tissues is called:
A. External respiration
B. Inspiration
C. Cellular respiration
D. Internal respiration
Answer Key: D
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Question 12 of 20 5.0/ 5.0 Points
Most large animals use the following structure for oxygen exchange:
A. Air bladders
B. Gills
C. Lungs
D. Skin
Answer Key: C
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Question 13 of 20 5.0/ 5.0 Points
A large animal having moist thin skin containing many blood vessels is an indication that the animal carries oxygen into it body using:
A. Skin
B. Lungs
C. Gills
D. Mouth
Answer Key: A
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Question 14 of 20 5.0/ 5.0 Points
All respiring organisms have the following feature required for gas exchange:
A. Lungs
B. A countercurrent system
C. Alveoli
D. A moist, thin membrane
Answer Key: D
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Question 15 of 20 5.0/ 5.0 Points
Most adult insects exchange respiratory gases using the following structure:
A. Gills
B. Trachea
C. Lungs
D. Respirals
Answer Key: B
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Part 4 of 4 - 25.0/ 25.0 Points
Question 16 of 20 5.0/ 5.0 Points
The respiratory center that helps maintain stable body temperature is in the:
A. hypothalamus
B. thalamus
C. pons
D. cerebellum
Answer Key: A
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Question 17 of 20 5.0/ 5.0 Points
The human body’s normal temperature is:
A. 20 degrees C
B. 31 degrees C
C. 25 degrees C
D. 37 degrees C
Answer Key: D
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Question 18 of 20 5.0/ 5.0 Points
Excess energy molecules are used for the synthesis of glycogen in the:
A. gall bladder
B. liver
C. pancreas
D. spleen
Answer Key: B
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Question 19 of 20 5.0/ 5.0 Points
The term “vascular” in the word cardiovascular refers to:
A. blood vessels
B. lungs
C. muscle
D. heart
Answer Key: A
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Question 20 of 20 5.0/ 5.0 Points
The hollow inside of a blood vessel is the:
A. vessel cavity
B. thoroughfare channel
C. endothelium
D. lumen
Answer Key: D
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