Exam 2 Flashcards
The secondary or memory response
Select one:
a. occurs after the primary response has activated NK cells.
b. provides better protection than the primary response.
c. is less effective in antibody production.
d. produces different antibodies than those produced in the primary immune response.
e. does not protect the body after the first exposure.
d. produces different antibodies than those produced in the primary immune response.
??
Nonencapsulated lymphatic tissue called MALT includes all of the following except_________.
Select one:
a. diffuse lymphatic tissue
b. lymph nodes
c. tonsils
d. Peyer patches
b. lymph nodes
A mutation occurs in a gene that is important to the production of MHC Class II molecules. Which of the following statements accurately describes the ramifications of such a mutation?
Select one:
a. Such a mutation will alter the ability of NK cells to detect tumor cells in the body.
b. Such a mutation will hinder antibody production due to the lack of interaction between B lymphocytes and helper T cells.
c. There will not be a negative impact because the mutation affects a rare class of MHC molecules that are only functional later in life.
d. Such a mutation inhibits cytotoxic T cell function since these cells will not be able to interact with other cells of the body.
b. Such a mutation will hinder antibody production due to the lack of interaction between B lymphocytes and helper T cells.
Which areas of an antigen are recognized by lymphocytes so that the cells can respond?
Select one:
a. Antigenic determinants
b. T-cell receptors
c. Epitopes
d. Both “Antigenic determinants” and “Epitopes” are correct.
e. Major histocompatibility complexes
d. Both “Antigenic determinants” and “Epitopes” are correct.
??
The right lymphatic duct drains lymph from the
Select one:
a. left arm, left chest, and left side of head.
b. abdomen.
c. right arm, right chest, and right side of head.
d. right side of the body.
e. upper part of the body.
c. right arm, right chest, and right side of head.
The thoracic duct drains lymph into the_________.
Select one:
a. right internal jugular vein
b. left subclavian vein
c. left subclavian artery
d. left brachiocephalic vein
e. right subclavian vein
b. left subclavian vein
Treatments of disease that include the alteration of immune functions are called_________.
Select one:
a. active immunity
b. hypersensitivity
c. immunotherapy
d. passive immunity
e. adaptive immunity
c. immunotherapy
The inflammatory response
Select one:
a. is harmful and should be immediately reversed.
b. stimulates erythrocytes to leave the blood.
c. prevents the spread of an infection.
d. depresses immunity.
e. delays healing of damaged tissues.
c. prevents the spread of an infection.
The lymphatic system differs from the cardiovascular system in that
Select one:
a. the lymphatic vessels have their own “pump” to assist flow.
b. lymph capillaries allow free movement of fluid in and out of the capillaries.
c. lymph circulates fluids and cardiovascular does not.
d. the lymphatic system only carries fluid away from tissues.
e. lymph capillaries do not contain any fluid.
d. the lymphatic system only carries fluid away from tissues.
??
Once cytotoxic T cells are produced, which of the following is/are consistent with their ability to attack intracellular viruses?
Select one:
a. Cytotoxic T cells bound to the MHC class I processed antigens release lymphokines.
b. Most nucleated cells process antigens through the MHC class I mechanisms.
c. Cytotoxic T cells bind to MHC class I processed antigens.
d. Viral antigens are processed by the MHC class I mechanism and are presented to the cell surface.
e. All of the choices are correct.
e. All of the choices are correct.
Jared received a donor kidney. After the first week, it became apparent that Jared’s body was rejecting the organ. This is due to
Select one:
a. a lack of a match between Jared’s immune cells and the MHC class I molecules on the cells of the donor kidney.
b. Jared’s lack of helper T cells that prevent the lymphatic tissue of the donated kidney damaging the donated kidney.
c. an autoimmune disease that is destroying healthy tissue.
a. a lack of a match between Jared’s immune cells and the MHC class I molecules on the cells of the donor kidney.
Cytotoxic T cells are like natural killer (NK) cells because they both_________.
Select one:
a. secrete interferons
b. participate in the immune response
c. secrete tumor necrosis factor (TNF)
d. participate in innate immunity
e. secrete perforins
e. secrete perforins
??
Interferon
Select one:
a. increases vascular permeability.
b. directly attacks viruses.
c. is a protein that interferes with virus production and infection.
d. is not produced by most cells.
e. protects cells that have been invaded by viruses.
c. is a protein that interferes with virus production and infection.
Which of the following is NOT a respiratory adaptation to exercise training?
Select one:
a. After training, respiratory rate at rest is lower
b. Tidal volume at maximal exercise will increase
c. Increased minute ventilation after training
d. Vital capacity increases
c. Increased minute ventilation after training
One of the functions of the respiratory system is to alter the levels of carbon dioxide in the blood; thus regulating_________.
Select one:
a. blood pressure
b. blood glucose levels
c. O2 levels
d. blood pH
e. blood volume
d. blood pH
The lungs have
Select one:
a. two blood flow routes and two lymphatic supplies.
b. one blood flow route and one lymphatic supply.
c. three blood flow routes and one lymphatic supply.
d. one blood flow route and two lymphatic supplies.
e. two blood flow routes and one lymphatic supply.
a. two blood flow routes and two lymphatic supplies.
n which of the following situations is compliance greatest?
Select one:
a. Collapse of the alveoli
b. Emphysema
c. Pulmonary edema
d. Airway obstruction
e. Pulmonary fibrosis
b. Emphysema
Marcus exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called_________.
Select one:
a. expiratory reserve volume
b. residual volume
c. inspiratory reserve volume
d. vital capacity
e. tidal volume
b. residual volume
