Alters Quiz #5DSA
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Part 1 of 4 - 25.0/ 25.0 Points
Question 1 of 20 5.0/ 5.0 Points
Which type of immune cell does HIV attack?
A. macrophages
B. B cells
Correct
C. T helper cells
D. killer T cells
Answer Key: C
Feedback: Well done you correctly answered this question based on Chapter 30.
Question 2 of 20 5.0/ 5.0 Points
Infection with HIV:
A. is usually fatal within months.
Correct
B. can occur from mother to fetus across the placenta.
C. is the same as saying that the person has AIDS.
D. can be cured by appropriate drug treatments.
Answer Key: B
Feedback: Well done you correctly answered this question based on Chapter 30.
Question 3 of 20 5.0/ 5.0 Points
Another name for an antibody is:
Correct
A. an immunoglobulin.
B. a plasma cell.
C. a B cell.
D. a lymphokine.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 30.
Question 4 of 20 5.0/ 5.0 Points
An allergic reaction is an example of:
A. the immune system not working at all.
B. a deficiency of B cell responses.
Correct
C. the immune system doing its job too well.
D. an overabundance of T cell responses.
Answer Key: C
Feedback: Well done you correctly answered this question based on Chapter 30.
Question 5 of 20 5.0/ 5.0 Points
Nonspecific immunity is also called:
Correct
A. innate immunity
B. cellular immunity
C. adaptive immunity
D. T cell based immunity
Answer Key: A
Feedback: Good job!
Part 2 of 4 - 25.0/ 25.0 Points
Question 6 of 20 5.0/ 5.0 Points
The primary salt excreted by humans is:
A. calcium salts.
Correct
B. sodium chloride.
C. bile pigments.
D. potassium chloride.
Answer Key: B
Feedback: Well done you correctly answered this question based on Chapter 31.
Question 7 of 20 5.0/ 5.0 Points
How do plants excrete their metabolic wastes?
A. through their roots
B. through specialized cells in the stem
C. through specialized nodes called meristems
Correct
D. through openings in the leaves called stomata
Answer Key: D
Feedback: Well done you correctly answered this question based on Chapter 31.
Question 8 of 20 5.0/ 5.0 Points
How often does all the blood in your body pass through the kidneys?
Correct
A. every five minutes
B. once a day
C. once an hour
D. once a week
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 31.
Question 9 of 20 5.0/ 5.0 Points
Water will move:
Correct
A. by osmosis from a higher concentration to a lower concentration.
B. between chambers in the body randomly.
C. by osmosis from a lower concentration to a higher concentration.
D. from outside the organism to inside, pumped by muscles.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 31.
Question 10 of 20 5.0/ 5.0 Points
The sea turtle cries because:
Correct
A. to eliminate excess salt from his body.
B. to maintain his temperature.
C. he is sad.
D. to eliminate excess water from his body.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 31.
Part 3 of 4 - 25.0/ 25.0 Points
Question 11 of 20 5.0/ 5.0 Points
The two divisions of the autonomic nervous system are the:
Correct
A. the parasympathetic and the sympathetic.
B. the reflex arc and the somatic.
C. the somatic and the sympathetic.
D. parasympathetic and the somatic.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 32.
Question 12 of 20 5.0/ 5.0 Points
The sodium potassium pumps actively transport:
Correct
A. potassium into the cell and sodium out of the cell.
B. both sodium and potassium out of the cell.
C. sodium into the cell and potassium out of the cell.
D. both sodium and potassium into the cell.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 32.
Question 13 of 20 5.0/ 5.0 Points
An automatic response to a nerve stimulation is called a/an:
A. effector.
B. nerve impulse.
C. nerve impulse.
Correct
D. reflex.
Answer Key: D
Feedback: Well done you correctly answered this question based on Chapter 32.
Question 14 of 20 5.0/ 5.0 Points
During an action potential, the charges across the cell membrane:
A. do not change.
B. increase such that the cell is more negative inside.
Correct
C. reverse such that the interior is positively charged.
D. reverse such that the exterior is positively charged.
Answer Key: C
Feedback: Well done you correctly answered this question based on Chapter 32.
Question 15 of 20 5.0/ 5.0 Points
A stimulant such as caffeine works by:
Correct
A. enhancing the activity of norepinephrine.
B. inhibiting the action of adrenaline.
C. replacing endorphins in the body.
D. increasing the activity of serotonin.
Answer Key: A
Feedback: Well done you correctly answered this question based on Chapter 32.
Part 4 of 4 - 5.0/ 25.0 Points
Question 16 of 20 0.0/ 5.0 Points
Which of the sense receptors is shaped like a tiny onion?
Incorrect
A. olfactory receptors
B. magnetite granules
C. electroreceptors
D. taste buds
Answer Key: D
Feedback: Please review Chapter 33.
Question 17 of 20 0.0/ 5.0 Points
Which of the following organisms can detect ultraviolet radiation?
Incorrect
A. snakes
B. insects
C. humans
D. dogs
Answer Key: B
Feedback: Please review Chapter 33.
Question 18 of 20 0.0/ 5.0 Points
Which of the following organisms has an image-producing eye?
A. octopi
B. protists
C. earthworms
Incorrect
D. flatworms
Answer Key: A
Feedback: Please review Chapter 33.
Question 19 of 20 5.0/ 5.0 Points
The retina of the eye is located:
A. on the outside of the cornea.
Correct
B. at the very back of the eye.
C. just behind the aqueous humor.
D. where the light enters the eye.
Answer Key: B
Feedback: Well done you correctly answered this question based on Chapter 33.
Question 20 of 20 0.0/ 5.0 Points
The structure of the eye that allows light to enter the eye and bends it is called the:
A. retina.
B. sclera.
C. cornea.
Incorrect
D. lens.
Answer Key: C
Feedback: Please review Chapter 33.
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