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QUESTION BANK-Human Anatomy & Physiology
11th Edition Elaine Marieb |Answer Key Provided
with 100% Correct Answers |2025/2026
NEWEST!!!
(MULTIPLE CHOICES)
If atom X has an atomic number of 23 it would have which of the following?
A - 11 protons and 12 neutrons
B - 11 electrons
C - 23 protons
D - 23 protons and 23 neutrons - ✓✓ CORRECT ANS- C - 23 protons
Which of the following is an example of a suspension?
A - jello
B - blood
C - rubbing alcohol
D - salt water
E - Tears - ✓✓ CORRECT ANS- B - blood
Select the correct statement about isotopes
A - all the isotopes of an element have the same number of neutrons but differing numbers
of electrons
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B - Isotopes occur only in the heavier elements
C - All the isotopes of an element are radioactive
D - Isotopes of the same element have the same number of protons but differ in their
number of neutrons - ✓✓ CORRECT ANS- D
By weight, which element is the most plentiful in the human body?
A - carbon
B - Sodium
C - Potassium
D - Oxygen
E - Sulfur - ✓✓ CORRECT ANS- D - oxygen
The mass of an atom is largely determined by the number of ___ it has.
a - protones and neutrons
b - electrons
c - protons and electrons
d - protons
e - neutrons - ✓✓ CORRECT ANS- a - protons and neutrons
Which one of the following is not a trace element in the human body?
a - copper
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b - chromium
c - cobalt
d - zinc
e - calcium - ✓✓ CORRECT ANS- b - chromium
A good example of a positive feedback mechanism would be
a - regulating glucose levels in blood
b - blood calcium regulation
c - enhancement of labor contractions
d - body temperature regulation - ✓✓ CORRECT ANS- c - enhancement of labor
contractions
Which one of the following systems responds fastest to environmental stimuli?
a - nervous
b - immune
c - muscular
d - lymphatic - ✓✓ CORRECT ANS- a - nervous
Place the following in correct sequence from simplest to most complex
1.)molecules
2.)atoms
3.) tissues
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4.) cells
5.) organs
a - 21345
b-12435
c-12345
d - 21435 - ✓✓ CORRECT ANS- d - 21435
The term pollex refers to
a - calf
b - great toe
c - thumb
d - fingers - ✓✓ CORRECT ANS- c - thumb
The fact that the apical portion or the cells that line the small intestine have microvilli
a - helps these cells secrete digestive enzymes
b - promotes the ability of these cells to form a protective barrier in the digestive system
c - enhances the ability of these cells to absorb nutreients due to their increased surface
area
d - is a rare phenomenon and does not occur in any other organ
e - all of the above are true - ✓✓ CORRECT ANS- c - enhances the baility of these cells to
absorb nutrients due to their increased surface area
QUESTION BANK-Human Anatomy & Physiology
11th Edition Elaine Marieb |Answer Key Provided
with 100% Correct Answers |2025/2026
NEWEST!!!
(MULTIPLE CHOICES)
If atom X has an atomic number of 23 it would have which of the following?
A - 11 protons and 12 neutrons
B - 11 electrons
C - 23 protons
D - 23 protons and 23 neutrons - ✓✓ CORRECT ANS- C - 23 protons
Which of the following is an example of a suspension?
A - jello
B - blood
C - rubbing alcohol
D - salt water
E - Tears - ✓✓ CORRECT ANS- B - blood
Select the correct statement about isotopes
A - all the isotopes of an element have the same number of neutrons but differing numbers
of electrons
, Page |2
B - Isotopes occur only in the heavier elements
C - All the isotopes of an element are radioactive
D - Isotopes of the same element have the same number of protons but differ in their
number of neutrons - ✓✓ CORRECT ANS- D
By weight, which element is the most plentiful in the human body?
A - carbon
B - Sodium
C - Potassium
D - Oxygen
E - Sulfur - ✓✓ CORRECT ANS- D - oxygen
The mass of an atom is largely determined by the number of ___ it has.
a - protones and neutrons
b - electrons
c - protons and electrons
d - protons
e - neutrons - ✓✓ CORRECT ANS- a - protons and neutrons
Which one of the following is not a trace element in the human body?
a - copper
, Page |3
b - chromium
c - cobalt
d - zinc
e - calcium - ✓✓ CORRECT ANS- b - chromium
A good example of a positive feedback mechanism would be
a - regulating glucose levels in blood
b - blood calcium regulation
c - enhancement of labor contractions
d - body temperature regulation - ✓✓ CORRECT ANS- c - enhancement of labor
contractions
Which one of the following systems responds fastest to environmental stimuli?
a - nervous
b - immune
c - muscular
d - lymphatic - ✓✓ CORRECT ANS- a - nervous
Place the following in correct sequence from simplest to most complex
1.)molecules
2.)atoms
3.) tissues
, Page |4
4.) cells
5.) organs
a - 21345
b-12435
c-12345
d - 21435 - ✓✓ CORRECT ANS- d - 21435
The term pollex refers to
a - calf
b - great toe
c - thumb
d - fingers - ✓✓ CORRECT ANS- c - thumb
The fact that the apical portion or the cells that line the small intestine have microvilli
a - helps these cells secrete digestive enzymes
b - promotes the ability of these cells to form a protective barrier in the digestive system
c - enhances the ability of these cells to absorb nutreients due to their increased surface
area
d - is a rare phenomenon and does not occur in any other organ
e - all of the above are true - ✓✓ CORRECT ANS- c - enhances the baility of these cells to
absorb nutrients due to their increased surface area
