Natural passive immunity is associated with which of the following?
a) Vaccination
b) Exposure to a microbe resulting in antibody formation
c) Receiving booster shots
d) Transfer of IgG from mother to fetus
e) Intravenous injection of antibodies
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Question 2) What is the function of the foramen ovale during fetal life?
a) Allowing blood to flow directly from the right atrium into the left atrium.
b) Allowing blood to flow directly from the right ventricle into the left ventricle.
c) Serves as a valve in the vena cava to regulate venous blood flow.
d) Prevents back flow of blood from aorta into the left ventricle.
e) Prevents back flow of blood from pulmonary trunk into the right ventricle.
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Question 3) Fluid flowing from point G in the figure will go to which structure next?
a) N
b) H
c) I
d) M
e) K
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Question 4) Which of the following is a protein hormone produced by the testes that inhibits secretion of follicle-stimulating hormone by the anterior pituitary gland?
a) chorionic gonadotropin
b) testosterone
c) estradiol
d) inhibin
e) relaxin
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Question 5) Which of the following formed elements in blood are removed by fixed macrophages in the spleen and liver after only 5 to 9 days in the circulation?
a) erythrocytes
b) thrombocytes
c) monocytes
d) basophils
e) eosinophils
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Question 6) Which structure in the figure is made of dense irregular connective tissue that forms septa dividing the testes into lobules?
a) B
b) C
c) F
d) A
e) D
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Question 7) During embryonic development, blood cells are formed from
a) endodermal cells.
b) pluripotent stem cells.
c) angioblasts.
d) fibroblasts.
e) osteoblasts.
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Question 8) Identify the protein-hydrolyzing enzymes in the digestive tract, and name their sources. Why are these enzymes released in an inactive form?
What will be an ideal response
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Question 9) Which type of adaptive immunity will result from mother-to-baby IgA transfer via breast feeding?
a) naturally acquired active immunity
b) naturally acquired passive immunity
c) artificially acquired active immunity
d) artificially acquired passive immunity
e) None of these choices
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Question 10) The difference between a person's maximum cardiac output and resting cardiac output is called the
a) stroke volume.
b) peripheral resistance.
c) afterload.
d) cardiac reserve.
e) venous return.
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