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A&P 2 Finals Questions
Terms in this set (80)
the tonsils located at the base of the tongue are the
Which hormone is the necessary trigger for ovulation to occur?
Which anterior pituitary hormones does NOT target another endocrine gland?
Innate immune system defenses include
lymph leaves a lymph node via
efferent lymphatic vessels
without the positive selection process in lymphocyte maturation
T cells would not be able to properly bind to APC's and therefore not to be activated by them.
Immunoglobins that attach to most cells and are involved in allergic reactions are
overlap in the innate and adaptive immune system is seen in all of the following examples but one. Which of the following examples does not illustrate the overlap of innate and adaptive immune response?
NK cells causing apostosis of abnormal host cell, lacking MHC proteins
Which of the following cells has the largest role and most widespread effect on immunity?
Helper T cells
membrane attack complex (MAC) kills by
disrupting the selectively permeability of a bacterias plasma membrane
A fluid sample contains a large amount of IgA type antibody. This fluid is probably
The lymphatic capillaries are
more permeable than blood capillaries
Functions of the spleen include all of those below EXCEPT
forming crypts that trap bacteria
is the immunoglobulin class that comprises 75% of antibodies in adult blood.
A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large pale cells called macrocytes, is characteristic of
The beta cells in the pancreatic islets produce insulin
Digested fats are absorbed from the intestine by the lymph capillaries
Like blood, lymph flows both to and from the heart
Which immunoglobulin class is attached to the external surface of B cells and act as an antigen receptor of the B cell?
Which of the following blood pressure readings would be indicative of hypertension?
The thymus is the only lymphoid organ that does not directly fight antigens
Neil accidentally ingests a substance that activates the complement cascade in the absence of bound antibodies. This substance would
cause extensive cellular damage
Class II MHC molecules are found in
The rapid depolarization phase of the action potentials of myocardial contractile cells is to due to which ions?
which of the following is not a type of T Cell?
the resistance to blood flow resulting from the friction of blood against the walls of vessels.
which of the choices below is NOT a function of the vagina?
serves as passageway for the primary oocyte
flow of lymph through a lymph node is slowed due to
fewer efferent vessels draining it compared to many afferent vessels feeding it
Cytotoxic T cells and NK cells kill by secretion of proteins. The first called perforin which forms complexes that penetrate the cell membrane and allows the passage of the apostosis including protein granzyme to enter targeted cells.
immunoglobulins that are mainly responsible for resistance against viruses, bacteria and bacterial toxins are
The source of blood carries the capillaries in the myocardium would be the
part of the acute phase response to inflammation that affects the thermoregulatory center.
in an experimental situation focused on the development of anew vaccine, mice were injected with a viral antigen. Their plasma was removed in order to detect the presence of antibodies.
Small molecules that bind with self-proteins to produce antigenic substances are called ________.
Bile is produced in the _ and stored in the _ .
liver, gall bladder
Tonsils have blind-ended structures called ________ that trap bacteria and particulate matter.
Which of the following is NOT a normal component of lymph?
red blood cells
The most important role of the spleen is to provide a site for lymphocyte proliferation and immune surveillance and response.
Peyer's patches are found in the distal portion of the
Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by ________.
natural killer cells
which of the following is a part of the second line of defense against microorganisms ?
The enzyme that digests starch into disaccharides is
The cells responsible for the production of circulating antibodies are
the influence of a blood vessel diameter on peripheral resistance is
significant because resistance is inversely proportional to the 4th power of vessel radius.
maltose is broken down by maltose into two molecules of
all of the following things occur during meiosis, select the statement below that does not occur during meiosis 1.
The sister chromatids are separated from each other.
Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?
right lymphatic duct
Which of the following is not a type of T cell?
The respiratory burst produced by some macrophages releases free radicals.
B lymphocytes develop immunocompetence in the ________.
Clonal selection of B cells ________.
results in the formation of plasma cells
Increases surface area for absorption via villi and microvilli.
Dendritic cells and macrophages kill by ingestion and destruction of particulate matter in a process called phagocytosis
which of the following is NOT part of the lymphatic system ?
Immunoglobulins that are the first antibodies to be produced in response to infection are
artificial active immunity
Cytotoxic T cells
directly attack and kill other cells
Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n) ________.
immunoglobulins that are found on the surface of B lymphocytes and may play a role in regulation of the humoral immune response are
The P wave of a normal electrocardiogram indicates
What is the average normal pH range of blood?
molecules that attract immune cells are known as
a protein released by animal cells, usually in response to the entry of a virus, that has the property of inhibiting virus replication.
Leslie has a bad sore throat and the lymph nodes in her neck are swollen. This would indicate that
the lymph nodes contain an increased number of lymphocytes.
using figure 18.2, match the following:
2. Atrial depolarization
3. Point after which pressure begins to rise in the aorta
Using figure 27.3, match the following:
1. primordial follicle
Using figure 17.1 match the following :
1.main bacteria killer during acute infections
3.Becomes a macrophage
7. most common white blood cell
8.mounts an immune response by direct cell attack or via antibodies
9. kills parasitic worms
using figure 5, match the following:
1. Air that does not participate in the exchange of gases
2.inspiratory reserve volume
4.expiratory reserve volume
2.Capillary found in endocrine organs that allows hormones to gain rapid entry into the blood.
3. Capillary with intercellular clefts found in the skin and muscles.
4.Capillary that have a discontinuous, incomplete basement membrane
5.capillary found where active capillary absorption of filtrate occurs.
3.mitral (bicuspid) valve
which of the following is not a complement pathway ?
digestion and absorption of which of the following would be affected the most if the liver were severely damaged?
Helper T cells
Activate macrophages, B cells and T cells.
In an experimental situation, a rabbit is exposed to a viral antigen to which it makes antibodies. These antibodies are then purified and injected into a human with the same viral disease. This is an example of
Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phagocytize the organism. This phenomenon is termed ________.
which of the following glands are responsible for 70% of semen volume?
when an antigen complex is bound to a class I MHC molecule, it can stimulate a
cytotoxic T cell
immunoglobulins that are primarily found in glandular secretions are
When does the period of atrial repolarization occur?
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