12 Jun BIOLOGY 1409 Which immunoglobulin is able to pass the placenta
Question
Question 16
Which immunoglobulin is able to pass the placenta to protect the fetus from pathogens?
a. IgD
b. IgE
c. IgM
d. IgA
e. IgG
1 points
Question 17
Which of the following is not a good barrier to invasion by microbes?
a. gut bacteria
b. urine
c. mucous membranes
d. broken skin
e. eye secretions
1 points
Question 18
Histamines are secreted by
a. erythrocytes.
b. capillary endothelium.
c. skin epithelium.
d. lymphocytes.
e. mast cells.
1 points
Question 19
Bile has a role in _____ digestion and absorption.
carbohydrate
fat
protein
amino acid
1 points
Question 20
What occurs when lymphocytes attack the body’s own normal cells?
a. Monoclonalization
b. Immune deficiency
c. Passive immunization
d. Autoimmune response
1 points
Question 21
The constituent of hemoglobin whose absence leads to anemia is
iron.
iodine.
calcium.
zinc.
magnesium.
1 points
Question 22
Which of these is specifically responsible for antibody-mediated immunity?
a. T cells
b. B cells
c. Platelets
d. All of the above
1 points
Question 23
The bones that form the palms of the hands are the:
a. carpals
b. tarsals
c. metacarpals
d. metatarsals
e. phalanges
1 points
Question 24
The specificity of an antibody is based upon the ______ of antigen binding sites
a. Shape
b. Constant portion of the heavy chain
c. Number
d. Frequency of occurance
1 points
Question 25
The digestion of proteins begins in the
a. stomach
b. pancreas
c. small intestine
d. large intestine (colon)
e. esophagus
1 points
Question 26
The center of the concentric rings in compact bone contains:
a. bone marrow
b. osteocytes
c. lacunae
d. blood vessels
1 points
Question 27
Proteins released from effector B cells to fight infections are called:
a. Antigens
b. Antibodies
c. Complement
d. Pathogens
e. None of the above
1 points
Question 28
Which of the following muscle pairs are antagonistic?
biceps and trapezius
triceps and trapezius
biceps and triceps
trapezius and gluteus maximus
trapezius and gastrocnemius
1 points
Question 29
Which of the following is an accessory organ of digestion?
a. stomach
b. pancreas
c. spleen
d. colon
e. esophagus
1 points
Question 30
The element specifically associated with muscle contraction is
a. phosphorus
b. potassium
c. calcium
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