Final Exam - Chapter 21

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