BIO-169 FINAL EXAM PRACTICE
questions with correct answers
The functional organization of the nervous system parallels that of the ________ system in many ways. -
✔✔💯ENDOCRINE
________ are chemical messengers that are released in one tissue and transported in the bloodstream
to alter the activities of specific cells in other tissues. - ✔✔💯HORMONES
The hypothalamus is an important organ in both the ________ and ________ systems. -
✔✔💯endocrine; nervous
The pituitary hormone that causes the kidney to reduce water loss is - ✔✔💯ADH
Thyroxine and calcitonin are secreted by the - ✔✔💯thyroid gland
The adrenal medulla produces the hormones - ✔✔💯epinephrine and norepinephrine
The outer layer of the adrenal gland is the - ✔✔💯cortex.
The pancreatic hormone that causes blood sugar to enter its target cells is - ✔✔💯insulin.
Melatonin is produced by the - ✔✔💯pineal gland
Two hormones that have opposing effects are called - ✔✔💯antagonists
Which of the following hormones increases production of red blood cells? - ✔✔💯erythropoietin
,The percent fraction of formed elements relative to whole blood is the - ✔✔💯hematocrit.
Plasma is closest in ionic composition to - ✔✔💯interstitial fluid.
Which blood type consists of plasma containing both anti-A and anti-B antibodies? - ✔✔💯type O
Compared to arteries, veins - ✔✔💯have thinner walls
Which of the following is the innermost layer of a blood vessel? - ✔✔💯tunica intima
The superior vena cava collect blood from the - ✔✔💯head, chest, and upper limbs.
Submit
The vein in the arm commonly sampled for blood by venipuncture is the - ✔✔💯median cubital vein.
An important artery that supplies blood to the brain is the ________ artery. - ✔✔💯internal carotid
________ is to contraction as ________ is to relaxation. - ✔✔💯Systole; diastole
Stroke volume depends on all of the following except - ✔✔💯cardiac output.
Where is blood pressure highest? - ✔✔💯artery
Blood pressure increases with all of the following except increased - ✔✔💯parasympathetic
innervation.
To defend blood volume against dehydration, the body - ✔✔💯All of the answers are correct.
The lymphatic system is composed of all of the following except - ✔✔💯the venae cavae.
, The primary function of the lymphatic system is - ✔✔💯defending the body against both environmental
hazards and internal threats.
The lymphocytes are most important in - ✔✔💯fighting infection
T is to ________ as B is to ________. - ✔✔💯thymus-dependent; bone marrow-derived
The largest single collection of lymphoid tissue in the adult body is located in the - ✔✔💯spleen
Inflammation produces all of the localized effects except - ✔✔💯decreased blood flow.
Characteristics of specific defenses include all of the following except - ✔✔💯intrinsic.
The role of antigen-presenting cells in immunity is to do all of the following except -
✔✔💯phagocytosis.
Lymphocytes that destroy foreign cells or virus-infected cells are ________ cells. - ✔✔💯cytotoxic T
Which statement regarding CD4 T cells is true? - ✔✔💯Before they can initiate antibody-mediated
immunity, inactive CD4 T cells must be exposed to appropriate antigens bound to Class II MHC proteins.
The binding of an antigen to an antibody can result from all of the following except - ✔✔💯activate T
cells.
The human immunodeficiency virus (HIV), which causes the disease known as AIDS, selectively infects
________ cells. - ✔✔💯helper T
The respiratory defense system is important for all of the following reasons except - ✔✔💯providing
gas exchange.
questions with correct answers
The functional organization of the nervous system parallels that of the ________ system in many ways. -
✔✔💯ENDOCRINE
________ are chemical messengers that are released in one tissue and transported in the bloodstream
to alter the activities of specific cells in other tissues. - ✔✔💯HORMONES
The hypothalamus is an important organ in both the ________ and ________ systems. -
✔✔💯endocrine; nervous
The pituitary hormone that causes the kidney to reduce water loss is - ✔✔💯ADH
Thyroxine and calcitonin are secreted by the - ✔✔💯thyroid gland
The adrenal medulla produces the hormones - ✔✔💯epinephrine and norepinephrine
The outer layer of the adrenal gland is the - ✔✔💯cortex.
The pancreatic hormone that causes blood sugar to enter its target cells is - ✔✔💯insulin.
Melatonin is produced by the - ✔✔💯pineal gland
Two hormones that have opposing effects are called - ✔✔💯antagonists
Which of the following hormones increases production of red blood cells? - ✔✔💯erythropoietin
,The percent fraction of formed elements relative to whole blood is the - ✔✔💯hematocrit.
Plasma is closest in ionic composition to - ✔✔💯interstitial fluid.
Which blood type consists of plasma containing both anti-A and anti-B antibodies? - ✔✔💯type O
Compared to arteries, veins - ✔✔💯have thinner walls
Which of the following is the innermost layer of a blood vessel? - ✔✔💯tunica intima
The superior vena cava collect blood from the - ✔✔💯head, chest, and upper limbs.
Submit
The vein in the arm commonly sampled for blood by venipuncture is the - ✔✔💯median cubital vein.
An important artery that supplies blood to the brain is the ________ artery. - ✔✔💯internal carotid
________ is to contraction as ________ is to relaxation. - ✔✔💯Systole; diastole
Stroke volume depends on all of the following except - ✔✔💯cardiac output.
Where is blood pressure highest? - ✔✔💯artery
Blood pressure increases with all of the following except increased - ✔✔💯parasympathetic
innervation.
To defend blood volume against dehydration, the body - ✔✔💯All of the answers are correct.
The lymphatic system is composed of all of the following except - ✔✔💯the venae cavae.
, The primary function of the lymphatic system is - ✔✔💯defending the body against both environmental
hazards and internal threats.
The lymphocytes are most important in - ✔✔💯fighting infection
T is to ________ as B is to ________. - ✔✔💯thymus-dependent; bone marrow-derived
The largest single collection of lymphoid tissue in the adult body is located in the - ✔✔💯spleen
Inflammation produces all of the localized effects except - ✔✔💯decreased blood flow.
Characteristics of specific defenses include all of the following except - ✔✔💯intrinsic.
The role of antigen-presenting cells in immunity is to do all of the following except -
✔✔💯phagocytosis.
Lymphocytes that destroy foreign cells or virus-infected cells are ________ cells. - ✔✔💯cytotoxic T
Which statement regarding CD4 T cells is true? - ✔✔💯Before they can initiate antibody-mediated
immunity, inactive CD4 T cells must be exposed to appropriate antigens bound to Class II MHC proteins.
The binding of an antigen to an antibody can result from all of the following except - ✔✔💯activate T
cells.
The human immunodeficiency virus (HIV), which causes the disease known as AIDS, selectively infects
________ cells. - ✔✔💯helper T
The respiratory defense system is important for all of the following reasons except - ✔✔💯providing
gas exchange.
