Biol 2160 Exam 2 Old Q Practice Test

Front 1

t/f: the enzyme phosphodiesterase inactivated the second messenger of the Phospholipase C-Ca++ second messenger system

Back 1

false, should be CAMP not phospholipase

Front 2

t/f: the most abundant type of leukocyte is the basophil

Back 2

false

Front 3

the reason that the secondary response of circulating antibodies is higher than the primary response is because of the presence of more plasma cells

Back 3

false, should be memory cells

Front 4

t/f: the tubular component of man's circulatory system with the largest total cross-sectiona area is the veins

Back 4

false, should be arteries

Front 5

t/f: the hormone system which is activated when a person hemorrhages and loses a substantial volume of blood is the renin-angiotensin system

Back 5

true

Front 6

t/f: it is possible for man to increase the amount of oxygen t/f: arriving at the ecells of his body during exercise by about 5-6 times the resting amount as a result of a combination of adaptations of the respiratory cardiovascular systems.

Back 6

false, should be 15-18

Front 7

t/f: most of the carbon dioxide which is trasported by the blood stream is in the form of CO2 ions

Back 7

false, should be HO3

Front 8

t/f: the osmolality of urine is controlled by the circulating concentration of aldosterone

Back 8

false, should be ADH

Front 9

t/f: the enzyme which converts fibrinogen to the fibrin threads of the blood clot is prothrombin activator

Back 9

false, should be thrombin

Front 10

t/f: in addition to NaCl, the other osmolyte present in the inner medullary interstitial fluid compartment is ADH

Back 10

false, should be urea

Front 11

t/f: clinical symptoms of glucose in the urine and the presence of autoantibodies against the Beta cells of the Islets of Langerhans would lead to a diagnosis of the form of Diabetes mellitus known as adult onset

Back 11

false, should be juvenile

Front 12

t/f: the T wave component of an EKG trace is due to K+ efflux from the atria

Back 12

true

Front 13

t/f: podocytes are associated witht he glomerular capsule

Back 13

true

Front 14

t.f: the hormone responsible for stiulating testosterone production in man is PSH

Back 14

false, should be L H

Front 15

t/f: insulin and growth factors bind to a receptor embedded in the cell membrane known as Adenylate cyclase

Back 15

false, should be triasyne kinase

Front 16

matching: functions of cells in the blood:
erythrocyte

Back 16

carbonic acid is synthesized here

Front 17

matching: functions of cells in the blood:
eosinophil

Back 17

plasmoginogen is secreted from it

Front 18

matching: functions of cells in the blood:
basophil

Back 18

secrete heparin

Front 19

matching: functions of cells in the blood:
lymphocyte

Back 19

become mast cells

Front 20

matching: functions of cells in the blood:
neutrophil

Back 20

ameboid motion

Front 21

matching: kidney function:
creatinine

Back 21

secretion

Front 22

matching: kidney function:
high plasma osmolality

Back 22

antidiuretic hormone

Front 23

matching: kidney function:
urea

Back 23

reabsorption

Front 24

matching: kidney function:
low blood sodium

Back 24

aldosterone

Front 25

matching: kidney function:
insulin

Back 25

filtration

Front 26

the class(es) of hormones which utilize a second messenger is/are:

Back 26

polypeptides/proteins and glycoproteins

Front 27

reduced blood pressure at the macula densa of the nephron causes the release of:

Back 27

renin

Front 28

antidiuretic hormone is released from the posterior pituitary gland when:

Back 28

blood osmolality is high

Front 29

the percentage of nephrons in our kidney which are involved n the scretion of urine which is more concentrated than out blood osmolality is

Back 29

20-33

Front 30

the end product of purine catabolism in man is

Back 30

uric acid

Front 31

the type of leukoocyte that releases heparin into the blood is a

Back 31

basophil

Front 32

parasitism of man by a nematode worm would lead to an increase in the circulating number of the leukocyte type:

Back 32

eosinophil

Front 33

the maximum volume to which the lungs can be expanded with the greatest possible inspiratory effort describes the:

Back 33

total lung capacity

Front 34

reduced blood pressure at the macula densa of the nephron causes the release of

Back 34

renin

Front 35

the process of filtration occurs across the nephron unit known as the:

Back 35

glomerular capsule

Front 36

blood platelets are derived from

Back 36

megakaryocytes

Front 37

lactation is stimulated and maintained under the influence of the hormone:

Back 37

prolactin or oxytocin--- not sure look up

Front 38

plasminogen is released by the leukocyte type known as a

Back 38

esoinophil

Front 39

antibodies are produced by;

Back 39

lymphocytes

Front 40

the production of circulating antibodies that are capable of attacking invading agents with antigenic properties is termed:

Back 40

adaptive immunity or humoral immunity---not sure, look up