CHAPTER 6 THE HUMAN BODY EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS | LATEST VERSION 2025/2026.
The exchange of oxygen and nutrients for waste products of metabolism occurs at the cellular
level in the:
Select one:
A. venules.
B. capillaries.
C. arterioles.
D. arteries.
B. capillaries.
Which of the following systems is responsible for releasing hormones that regulate body
activities?
Select one:
A. Nervous
B. Endocrine
C. Reproductive
D. Skeletal
B. Endocrine
The waste products of aerobic metabolism include:
Select one:
A. uric acid and nitrogen.
B. carbon dioxide and water.
C. ATP and glucose.
D. glucose and lactic acid.
B. carbon dioxide and water.
Twelve pairs of ribs attach to which section of the spinal column?
Select one:
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, A. Lumbar
B. Sacral
C. Thoracic
D. Coccyx
C. Thoracic
The smooth muscles that cause the artery to contract are found in the:
Select one:
A. tunica adventitia.
B. tunica intima.
C. lumen.
D. tunica media.
D. tunica media.
Which of the following statements regarding the medulla oblongata is correct?
Select one:
A. The medulla is sensitive to pH changes and sends messages via the phrenic nerve to contract
the diaphragm.
B. The medulla is a portion of the cerebrum and primarily responds to an increase in the pH of
cerebrospinal fluid.
C. The medulla reduces the rate and depth of breathing if it detects an increase in carbon
dioxide levels.
D. The medulla's primary role is to increase the body's level of oxygen, not to decrease its level
of carbon dioxide.
A. The medulla is sensitive to pH changes and sends messages via the phrenic nerve to
contract the diaphragm.
A by-product of involuntary muscle contraction and relaxation is:
Select one:
A. heat.
B. lactic acid.
C. oxygen.
D. nitrogen.
A. heat.
The vocal cords are located in the:
Select one:
A. oropharynx.
B. nasopharynx.
C. pharynx.
D. larynx.
D. larynx.
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QUESTIONS WITH 100% CORRECT
ANSWERS | LATEST VERSION 2025/2026.
The exchange of oxygen and nutrients for waste products of metabolism occurs at the cellular
level in the:
Select one:
A. venules.
B. capillaries.
C. arterioles.
D. arteries.
B. capillaries.
Which of the following systems is responsible for releasing hormones that regulate body
activities?
Select one:
A. Nervous
B. Endocrine
C. Reproductive
D. Skeletal
B. Endocrine
The waste products of aerobic metabolism include:
Select one:
A. uric acid and nitrogen.
B. carbon dioxide and water.
C. ATP and glucose.
D. glucose and lactic acid.
B. carbon dioxide and water.
Twelve pairs of ribs attach to which section of the spinal column?
Select one:
1 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, A. Lumbar
B. Sacral
C. Thoracic
D. Coccyx
C. Thoracic
The smooth muscles that cause the artery to contract are found in the:
Select one:
A. tunica adventitia.
B. tunica intima.
C. lumen.
D. tunica media.
D. tunica media.
Which of the following statements regarding the medulla oblongata is correct?
Select one:
A. The medulla is sensitive to pH changes and sends messages via the phrenic nerve to contract
the diaphragm.
B. The medulla is a portion of the cerebrum and primarily responds to an increase in the pH of
cerebrospinal fluid.
C. The medulla reduces the rate and depth of breathing if it detects an increase in carbon
dioxide levels.
D. The medulla's primary role is to increase the body's level of oxygen, not to decrease its level
of carbon dioxide.
A. The medulla is sensitive to pH changes and sends messages via the phrenic nerve to
contract the diaphragm.
A by-product of involuntary muscle contraction and relaxation is:
Select one:
A. heat.
B. lactic acid.
C. oxygen.
D. nitrogen.
A. heat.
The vocal cords are located in the:
Select one:
A. oropharynx.
B. nasopharynx.
C. pharynx.
D. larynx.
D. larynx.
2 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
