Biology 2060 - Anatomy and Physiology II » Summer 2021 » Lecture Exam 2
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Question #1
The ossa coxae contain red marrow.
A.
TRUE
B.
FALSE
Question #2
MALT is found in which layer of the wall of a hollow organ?
A.
Epithelial
B.
Submucosa
C.
Lamina propria
D.
Muscularisexterna
Question #3
The path that fluid takes as it enters a lymphatic capillary is through
A.
vesicles that move the fluid across the cell (transcytosis).
B.
spaces between capillary endothelial cells that are arranged as one-way flaps.
C.
cell membrane leakage channels that allow diffusion.
D.
pores(fenestrations) in the cells of the capillary wall.
E.
active transport protein pumps on endothelial cell membranes.
Question #4
Because lymphatic vessels have three tunics (intima, media, and externa) and valves, they structurally resemble
A.
arteries.
B.
arterioles.
C.
veins.
D.
capillaries.
Question #5
The thymus contains ______ lobes and is located _______.
A.
2; anterior to the laryngeal prominence (Adam's apple)
B.
4; anterior to the laryngeal prominence (Adam's apple)
C.
2; in the mediastinum
D.
4; in the mediastinum
Question #6
Lymphatic capillaries
A.
include layers of smooth muscle for peristalsis.
B.
filter lymph.
C.
originate as closed-ended tubes associated with blood capillary networks.
D.
concentrate lymph prior to passing it to larger lymphatic vessels.
E.
cannot be discerned structurally from cardiovascular system capillaries.
Question #7
Lymphatic nodules consist of
A.
central arteries and monocytes.
B.
afferent vessels,efferent vessels, a cortex, and medulla.
C.
crypts,trabeculae, and Reed-Sternberg cells.
D.
lymphatic cells,extracellular matrix, and an incomplete connective tissue capsule.
E.
a hilum that is located intermediate to two lobules.
Question #8
The appendix contains lymphatic nodules.
A.
FALSE
B.
TRUE
Question #9
Which fluid does lymph most closely resemble?
A.
Blood plasma
B.
Interstitial fluid
C.
Whole blood
D.
Intracellular fluid
Question #10
The central nervous system contains a dense network of lymphatic capillaries.
A.
FALSE
B.
TRUE
Question #11
Which of the following does not contain red marrow?
A.
Ribs
B.
Flat bones of the skull
C.
Vertebrae
D.
Long bones of digits
E.
Sternum
Question #12
The pharyngeal tonsils are located
A.
along the posterior margins of the tongue.
B.
in the posterolateral region of the oral cavity.
C.
in the posterior wall of the nasopharynx.
D.
at the base of the palatoglossal arches.
E.
lateral to the uvula in the oropharynx.
Question #13
The main function of tonsils is to detect and protect against infections agents that are
A.
in the blood.
B.
ingested or inhaled.
C.
in the lymph.
D.
secreted by salivary glands
Question #14
The lymphatic system's two main functions are to assist in
A.
neural support and blood sugar control.
B.
blood cell production and endocrine function.
C.
removal of fats from the blood and inflammatory responses.
D.
endocrine function and neural support.
E.
immunity and fluid balance.
Question #15
The thymus contains lymphatic cells as well as secretory _________ tissue.
A.
muscle
B.
areolar
C.
osseous
D.
epithelial
E.
neural
Question #16
IgA is primarily found
A.
on the surface of B-lymphocytes.
B.
in blood.
C.
in lymph.
D.
in the thymus,spleen, and lymph nodes.
E.
in external secretions such as tears, saliva, and mucus.
Question #17
Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?
A.
Macrophages
B.
Basophils
C.
Neutrophils
D.
Natural killer cells
E.
Eosinophils
Question #18
Negative selection is the process by which cells learn self-tolerance.
A.
FALSE
B.
TRUE
Question #19
A fever __________ reproduction of bacteria and ___________ CAMs on the endothelium of capillaries of lymph nodes.
A.
inhibits; decreases
B.
stimulates; decreases
C.
stimulates; increases
D.
inhibits; increases
Question #20
"Complement" refers to a group of
A.
white bloodcells.
B.
molecules on the surface of pathogenic microbes.
C.
plasmaproteins.
D.
antibodies.
Question #21
Agglutination of mismatched blood is a function of
A.
IgD, which is adimer.
B.
IgM, which is adimer.
C.
IgD, which is apentamer.
D.
IgM, which is apentamer.
Question #22
The site of infection is the location at which lymphocytes
A.
become able to recognize one specific foreign antigen.
B.
provide aneffector response.
C.
are activated.
D.
are formed.
Question #23
Compared to most interstitial fluid in the body, the interstitial fluid of aninflamed area would have a lower osmolarity and a lower concentration of proteins.
A.
FALSE
B.
TRUE
Question #24
Vaccines are effective because they
A.
inhibit antibodies from having secondary responses.
B.
immediately stimulate cellular immunity to eliminate all of the pathogen in the body.
C.
stimulate the development of immunologic memory.
D.
increase the number of natural killer cells while decreasing the numbers of T and B cells.
Question #25
Often a virus-infected cell will release _________ to prevent spread of the infection.
A.
perforin
B.
histamine
C.
serotonin
D.
complement
E.
interferon
Question #26
Cytotoxic T-lymphocytes that have killed a foreign cell may transform into
A.
None of the choices is correct.
B.
natural killer cells.
C.
memory B-lymphocytes.
D.
plasma cells.
E.
helper T-lymphocytes.
Question #27
The second signal during B-lymphocyte activation involves stimulation from
A.
IL-4 released by helper T-lymphocytes.
B.
bradykinin released by antigen-presenting cells.
C.
antibodies released by antigens.
D.
IL-2 released by cytotoxic T-lymphocytes.
Question #28
Helper T-lymphocytes are also known as
A.
CD4 +cells.
B.
memory T-lymphocytes.
C.
T8 cells.
D.
cytotoxic T-lymphocytes.
E.
CD8 + cells.
Question #29
The first signal during helper T-lymphocyte activation involves
A.
CD8 of the helper T-cell binding with MHC class III of the antigen-presenting cell.
B.
BCR of the helper T-cell binding with free antigen and engulfing it.
C.
CD4 of the helper T-cell binding with MHC class II of the antigen-presenting cell.
D.
CD4 of the helper T-cell binding with MHC class I part of the antigen fragment.
Question #30
Which of the following lists the body's first, second, and third lines of defense in order?
A.
Adaptive immunity,external innate immunity, internal immunity
B.
Innate immunity, internal adaptive immunity, internal innate immunity
C.
External innate immunity, adaptive immunity, internal innate immunity
D.
External innate immunity, internal innate immunity, adaptive immunity
E.
External adaptive immunity, internal adaptive immunity, innate immunity
Question #31
Which of the following supplies blood to the abdominal wall?
A.
Posterior intercostal arteries
B.
Subclavian arteries
C.
Median sacral artery
D.
Lumbar arteries
Question #32
Gas, nutrient, and waste exchange occur between the __________ and the tissues of the body.
A.
capillaries and veins
B.
capillaries and arteries
C.
arteries
D.
veins
E.
capillaries
Question #33
The hepatic portal system allows for the processing of
A.
nutrients and toxins absorbed from the gastrointestinal system into the blood.
B.
drugs and toxins in the blood so that they are secreted directly into the urine.
C.
hormones that are secreted by glands and must be directed to their target organs.
D.
bacteria that grow in the large intestine but need to be regulated.
Question #34
The arteries that anastomose and form the two arterial arches in the palm are the _____ and _____ arteries.
A.
ulnar; brachial
B.
axillary; brachial
C.
radial; ulnar
D.
radial; brachial
E.
axillary; subclavian
Question #35
Some large molecules, such as fatty acids, are transported between capillaries and tissues by vesicular transport.
A.
FALSE
B.
TRUE
Question #36
Excitation of the vasomotor center results in
A.
increased autonomic activity that increases heart rate and dilates blood vessels.
B.
increased sympathetic activity and predominantly more vasoconstriction than vasodilation.
C.
decreased autonomic activity that decreases heart rate and constricts blood vessels.
D.
increased parasympathetic activity and predominantly more vasodilation than vasoconstriction.
E.
redistribution of blood flow away from the skeletal muscles and toward the skin.
Question #37
Systolic blood pressure is recorded
A.
in both arteries and veins and is the maximum pressure recorded during diastole of the heart.
B.
in veins and is the minimum pressure recorded during atrial relaxation.
C.
in veins and is the maximal pressure recorded during atrial contraction.
D.
in arteries and is the maximal pressure that is recorded during ventricular contraction.
E.
in arteries and is the minimum pressure that is recorded during ventricular relaxation.
Question #38
The superior vena cava is formed by the merging of the _______ veins.
A.
internalthoracic
B.
inferiorepigastric
C.
lumbar
D.
internaljugular
E.
brachiocephalic
Question #39
A venule becomes a vein when its diameter is greater than ____ micrometers.
A.
1
B.
10
C.
1000
D.
100
Question #40
The largest arteries of the body are classified as
A.
muscular and elastic because they have the same dimensions.
B.
arterioles.
C.
musculararteries.
D.
None of the answers is correct.
E.
elasticarteries.
Question #41
Which path of arteries would a blood cell follow on its way from the thigh to the foot?
A.
Femoral a.,popliteal a., anterior tibial a., dorsalis pedis a.
B.
Internal iliac a.,deep femoral a., poplitial a., posterior fibular a.
C.
Lateral sacral a.,femoral a., hamstring a., tibial a., dorsalis pedis a.
D.
Femoral a.,saphenous a., azygous a., anterior tibial a.
E.
Deep femoral a., medial planar a., posterior tibial a., plantar arterialarch
Question #42
Blood hydrostatic pressure in systemic capillaries is greater than interstitial fluid hydrostatic pressure.
A.
TRUE
B.
FALSE
Question #43
An increase in blood vessel diameter would lead to a decrease in blood flow.
A.
FALSE
B.
TRUE
Question #44
Which is the most common type of capillary?
A.
Venules
B.
Discontinuous
C.
Fenestrated
D.
Sinusoids
E.
Continuous
Question #45
The vessels that supply the lower limbs are the
A.
subclavianarteries
B.
commoncarotids.
C.
external iliacarteries.
D.
internal iliacarteries.
E.
vertebralarteries.
Question #46
A.
baroreceptors to activate the cardio inhibitory center and inhibit the cardio acceleratory center.
B.
chemoreceptors to activate the vasomotor center.
C.
baroreceptors and chemoreceptors to activate the cardio inhibitory center and inhibit the vasomotor center.
D.
baroreceptors to activate the vasomotor center.
E.
chemoreceptors to inhibit the vasomotor center.
Question #47
The inferior mesenteric artery supplies blood to the
A.
sigmoid colon andascending colon.
B.
sigmoid colon.
C.
transversecolon.
D.
transverse colon,descending colon, sigmoid colon, and rectum.
E.
transverse colonand descending colon.
Question #48
Angiotensin II causes
A.
decreased heart rate, vasoconstriction, and increased urine formation.
B.
increased heart rate, vasodilation, and less urine formation.
C.
vasoconstriction,decrease urine formation, and increased thirst.
D.
vasoconstriction,increased urine formation, and decreased thirst.
E.
decreased thirst,vasodilation, and increased urine formation.
Question #49
Which are found in the capillary wall? a: Endothelium b: Subendothelial layer c: Internal elastic lamina d: Intercellular clefts e: External elastic lamina f: Basement membrane
A.
a, d, f
B.
a, b, d, f
C.
a, c, d, e, f
D.
a, b, d, e, f
E.
b, d, e, f
Question #50
The _____ in the pulmonary circuit carry deoxygenated blood.
A.
arteries
B.
veins
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