Final Exam - Chapter 21

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1.  The only lymphatic organ with both afferent and efferent lymphatic vessels is
A.
B.
C.
D.
E.
2.  Which of the following cells are involved in nonspecific resistance but not in specific defense?
A.
B.
C.
D.
E.
3.  The respiratory burst is used by ______ to kill bacteria
A.
B.
C.
D.
E.
4.  Which of these is a macrophage?
A.
B.
C.
D.
E.
5.  The cytolytic action of the complement system is most similar to the action of
A.
B.
C.
D.
E.
6.  _______ become antigenic by binding to larger host molecules.
A.
B.
C.
D.
E.
7.  Which of the following correctly states the order of events in humoral immunity?  Let 1 = antigen display. 2=antibody secretion. 3=secretion of interleukin. 4=clonal selection, and 5=endocytosis of an antigen.
A.
B.
C.
D.
E.
8.  The cardinal signs of inflammation include all of the following except
A.
B.
C.
D.
E.
9.  A helper T cell can bind only to another cell that has
A.
B.
C.
D.
E.
10.  Which of the following results from a lack of self-tolereance?
A.
B.
C.
D.
E.
11.  Some bacteria employ lysozyme to liquefy the tissue gel and make it easier for them to get around
A.
B.
12.  T lymphocytes undergo clonal deletion and anergy in the Thymus
A.
B.
13.  Interferons help to reduce inflammation
A.
B.
14.  T lymphocytes are involved only in cell-mediated immunity
A.
B.
15.  The white pulp of the spleen gets its color mainly from lymphocytes and macrophages.
A.
B.
16.  Perforins are employed in both nonspecific resistance and cellular immunity.
A.
B.
17.  Histamine and heparin are secreted by basophils and mast cells
A.
B.
18.  A person who is HIV-positive and has a TH (CD4) count of 1,000 cells/mL does not have AIDS.
A.
B.
19.  Anergy is often a cause of autoimmune diseases.
A.
B.
20.  Interferons kill pathogenic bacteria by making holes in their cell walls.
A.
B.
21.  Micturition occurs when the _______ contracts.
A.
B.
C.
D.
E.
22.  The compact ball of capillaries in a nephron is called
A.
B.
C.
D.
E.
23.  Which of these is the most abudant nitrogenous waste in the blood?
A.
B.
C.
D.
E.
24.  Which of these lies closest to the renal cortex?
A.
B.
C.
D.
E.
25.  Most sodium is reabsorbed from the glomerular filtrate by
A.
B.
C.
D.
E.
26.  A glomerulus and glomerular capsule make up one
A.
B.
C.
D.
E.
27.  The kidney has more _______ than any of the other structures listed.
A.
B.
C.
D.
E.
28.  The renal clearance of _______ is normally zero.
A.
B.
C.
D.
E.
29.  Beavers have relatively little need to conserve eater and could therefore be expected to have _____ than humans do.
A.
B.
C.
D.
E.
30.  Increased ADH secretion should cause the urine to have
A.
B.
C.
D.
E.
31.  The proximal convoluted tubule is not subject to hormonal influence.
A.
B.
32.  Sodium is the most abundant solute in the urine.
A.
B.
33.  The kidney has more distal convoluted tubules than collecting ducts.
A.
B.
34.  Tight junctions prevent material from leaking between the epithelial cells of the renal tubule.
A.
B.
35.  All forms of diabetes are charactgerized by glucose in the urine.
A.
B.
36.  If all other conditions remain the same, constriction of the afferent arteriole reduces the glomerular filtration rate.
A.
B.
37.  Angiotensin II reduces urine output.
A.
B.
38.  The minimum osmolarity of urine is 300 mOsm/L, equal to the osmolarity of the blood
A.
B.
39.  A sodium deficiency (hyponatremia) could cause glycosuria.
A.
B.
40.  Micturition depends on contraction of the detrusor muscle.
A.
B.
41.  Which of the following enzymes acts in the stomach?
A.
B.
C.
D.
E.
42.  Which of the following enzymnes does not digest any nutrients?
A.
B.
C.
D.
E.
43.  Which of the following is not an enzyme?
A.
B.
C.
D.
E.
44.  The substance in question 3 that is not an enzymne is
A.
B.
C.
D.
E.
45.  The lacteals absorb
A.
B.
C.
D.
E.
46.  All of the following contribute to the absorptive surface area of the small intestine except
A.
B.
C.
D.
E.
47.  Which of the following is a periodontal tissue?
A.
B.
C.
D.
E.
48.  Anatomically, the ________ of the stomach most closely resemble the _______ of the small intestine.
A.
B.
C.
D.
E.
49.  Which of the following cells secrete digestive enzymes?
A.
B.
C.
D.
E.
50.  What phase of gastric regulation includes inhibition by the enterogastric reflex?
A.
B.
C.
D.
E.
51.  Fat is not digested until it reaches the duodenum.
A.
B.
52.  A tooth is composed mostly of enamel
A.
B.
53.  Hepatocytes secrete bile into the hepatic sinusoids
A.
B.
54.  Cholecystokinin stimulates the release of bile into the duodenum.
A.
B.
55.  Peristalis is controlled by the myenteric nerve plexus
A.
B.
56.  Pepsinogen, trypsinogen, and procarboxypeptidase are enzymatically inactive zymogens
A.
B.
57.  The absorption of dietary iron depends on intrinsic factor
A.
B.
58.  Filling of the stomach stimulates contractions of the colon.
A.
B.
59.  The duodenum secretes a hormone that inhibits contractions of the stomach.
A.
B.
60.  Tight junctions of the small intestine prevent anything from leaking between the epithelial cells.
A.
B.
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