Question 1

Which of the following structures is most like the receptor of a homeostatic control mechanism?

Accepted Answer

A)   The mechanism that detects a decrease in tire pressure on an automobile
B)   The mechanism that opens the automatic door at the local grocery store
C)   The heating element of a hot water heater
D)   All of the choices are correct.E) A) and D)
F) B) and C)

Question 2

Whereas a 'plane' describes an imaginary flat surface, a 'section' describes a way to cut an organ.

Accepted Answer

A) True 
 B)False

Question 3

A cut along which plane would result in the anterior perspective of the body appearing normal, with no evident cuts?

Accepted Answer

A)   Frontal
B)   Midsaggital
C)   Parasagittal
D)   TransverseE) A) and D)
F) A) and C)

Question 4

-Here is a figure showing major body cavities and other structures. What does "B" represent?

Accepted Answer

A)   Diaphragm
B)   Mediastinum
C)   Pelvic cavity
D)   Thoracic cavity
E)   Abdominal cavityF) B) and E)
G) D) and E)

Question 5

The kidneys are contained within the pelvic cavity subdivision of the abdominopelvic cavity.

Accepted Answer

A) True 
 B)False

Question 6

The femoral region is the ________.

Accepted Answer

A)   calf
B)   armpit
C)   hollow behind the knee
D)   neck
E)   thighF) A) and B)
G) A) and C)

Question 7

A molecular biologist discovers that if a specific drug effectively treats obesity in mice, what can researchers conclude?

Accepted Answer

A)   If the drug was effective in a large number of mice, it will therefore be effective in humans.
B)   If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans.
C)   The mice have provided a positive control in this experiment that proves the drug is effective in humans.
D)   The drug is effective in the mouse model; it must still be tested in humans.
E)   The effect of the drug on mice has no bearing on the effect of the drug on humans.F) C) and D)
G) B) and C)

Question 8

Parathyroid hormone functions to increase calcium ion levels in blood. If its secretion is regulated through negative feedback, under which conditions would this hormone normally be released?

Accepted Answer

A)   Parathyroid hormone secretion occurs when blood calcium levels are too low.
B)   Parathyroid hormone secretion occurs when blood calcium levels are too high.
C)   Parathyroid secretion is constant to maintain blood calcium levels.
D)   Parathyroid hormone secretion increases in the morning and decreases in the afternoon.E) B) and C)
F) A) and B)

Question 9

The study of tissues is ________.

Accepted Answer

A)   cytology
B)   histology
C)   molecular biology
D)   microbiology
E)   surface anatomyF) A) and C)
G) A) and B)

Question 10

The popliteal region is the ________.

Accepted Answer

A)   calf
B)   armpit
C)   hollow behind the knee
D)   neck
E)   thighF) D) and E)
G) A) and E)

Question 11

A term that means "toward the attached end of a limb" is ________.

Accepted Answer

A)   medial
B)   lateral
C)   superficial
D)   distal
E)   proximalF) D) and E)
G) A) and B)

Question 12

Which body system would be affected by degeneration of cartilage in joints?

Accepted Answer

A)   Muscular
B)   Nervous
C)   Cardiovascular
D)   Skeletal
E)   LymphaticF) A) and D)
G) A) and B)

Question 13

It has been suggested by some scientists that early exposure to antibiotics that significantly change the makeup of the microbes in the human intestines may increase a person's susceptibility to autoimmune diseases like Crohn's disease and asthma.

Accepted Answer

A) True 
 B)False

Question 14

A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses?

Accepted Answer

A)   A decrease in heart rate
B)   An increase in the respiratory rate
C)   An increase in physical activity
D)   Unconsciousness
E)   Both a decrease in heart rate and an increase in the respiratory rate will occur.F) C) and E)
G) B) and D)

Question 15

There are more microbial cells than human cells in your body, and the health of this microbiota clearly influences human well-being. How many microbes are there?

Accepted Answer

A)   For every cell in your body, there are ten microbial cells.
B)   For every cell in your body, there are one hundred microbial cells.
C)   For every cell in your body, there are one thousand microbial cells.
D)   For every cell in your body, there are ten thousand microbial cells.E) B) and C)
F) A) and D)

Question 16

-Here is a figure showing major body cavities and other structures. What does "E" represent?

Accepted Answer

A)   Diaphragm
B)   Mediastinum
C)   Pelvic cavity
D)   Thoracic cavity
E)   Abdominal cavityF) B) and C)
G) B) and E)

Question 17

A vertical plane that separates the body into right and left portions is called a ________ plane.

Accepted Answer

A)   sagittal
B)   transverse
C)   frontal
D)   horizontal
E)   coronalF) A) and B)
G) A) and C)

Question 18

The control center compares input from a receptor with the ideal normal value for a condition called a set point.

Accepted Answer

A) True 
 B)False

Question 19

The axillary region is the ________.

Accepted Answer

A)   calf
B)   armpit
C)   hollow behind the knee
D)   neck
E)   thighF) A) and B)
G) B) and C)

Question 20

-This is a sagittal section through the abdominopelvic cavity. What structures does "E" represent?

Accepted Answer

A)   Visceral peritoneum (covers organs) 
B)   Mesentery
C)   Parietal peritoneum (lines cavity) 
D)   Retroperitoneal organs
E)   Peritoneal cavityF) All of the above
G) A) and E)

Exam 1: The Human Organism

-Here is a figure showing major body cavities and other structures. What does "B" represent?

Correct AnswerverifiedShow Answer

The axillary region is the ________.

Correct AnswerverifiedShow Answer

There are more microbial cells than human cells in your body, and the health of this microbiota clearly influences human well-being. How many microbes are there?

Correct AnswerverifiedShow Answer

A cut along which plane would result in the anterior perspective of the body appearing normal, with no evident cuts?

Correct AnswerverifiedShow Answer

A term that means "toward the attached end of a limb" is ________.

Correct AnswerverifiedShow Answer

Which body system would be affected by degeneration of cartilage in joints?

Correct AnswerverifiedShow Answer

Whereas a 'plane' describes an imaginary flat surface, a 'section' describes a way to cut an organ.

Correct AnswerverifiedShow Answer

Parathyroid hormone functions to increase calcium ion levels in blood. If its secretion is regulated through negative feedback, under which conditions would this hormone normally be released?

Correct AnswerverifiedShow Answer

The popliteal region is the ________.

Correct AnswerverifiedShow Answer

-Here is a figure showing major body cavities and other structures. What does "E" represent?

Correct AnswerverifiedShow Answer

The study of tissues is ________.

Correct AnswerverifiedShow Answer

It has been suggested by some scientists that early exposure to antibiotics that significantly change the makeup of the microbes in the human intestines may increase a person's susceptibility to autoimmune diseases like Crohn's disease and asthma.

Correct AnswerverifiedShow Answer

The femoral region is the ________.

Correct AnswerverifiedShow Answer

A vertical plane that separates the body into right and left portions is called a ________ plane.

Correct AnswerverifiedShow Answer

A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses?

Correct AnswerverifiedShow Answer

-This is a sagittal section through the abdominopelvic cavity. What structures does "E" represent?

Correct AnswerverifiedShow Answer

A molecular biologist discovers that if a specific drug effectively treats obesity in mice, what can researchers conclude?

Correct AnswerverifiedShow Answer

Which of the following structures is most like the receptor of a homeostatic control mechanism?

Correct AnswerverifiedShow Answer

The kidneys are contained within the pelvic cavity subdivision of the abdominopelvic cavity.

Correct AnswerverifiedShow Answer

The control center compares input from a receptor with the ideal normal value for a condition called a set point.

Correct AnswerverifiedShow Answer

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