Exam 2: True Or False?

Front 1

Antibodies act as "red flags" to identify antigens or pathogenic organisms for phagocytosis or action by complement

Back 1

True

Front 2

Macrophages are derived from neutrophils

Back 2

False

Front 3

The muscle spindle aparatus serves as a muscle length decector

Back 3

True

Front 4

A greater bending of the stereocilia will increase the frequency of action potentials and will be perceived as a louder sound

Back 4

True

Front 5

Summation occurs in muscle cells when stimulus frequency increases to produce a greater force contraction

Back 5

True

Front 6

The larger the cross-sectional area of a type of vessel, the higher the blood pressure

Back 6

False

Front 7

Urine collects in the urinary bladder prior to entry into the urethra

Back 7

True

Front 8

An increase in plasma osmolality will cause the secretion of ADH

Back 8

True

Front 9

Veins carry blood away from the heart

Back 9

False

Front 10

The oxygen content of arteries in the pulmonary circulation is high

Back 10

False

Front 11

An increased GFR leads to an increse in urine production

Back 11

True

Front 12

Adrenal medulla hormones prolong the effects of sympathetic nerves

Back 12

True

Front 13

The measurement of a particular antigen by an agglutination reaction is called an immunoassay

Back 13

True

Front 14

ADH secretion is stimulated when osmoreceptors in the hypothalamus detect a decrease in blood osmolality

Back 14

False

Front 15

Arterial blood pH is indirectly proportional to the partial carbon dioxide pressure of arterial blood

Back 15

False

Front 16

Indiviuals with an increased hematocrit would probaby be anemic

Back 16

False

Front 17

Insulin and glucagon are antagonisitc hormones

Back 17

True

Front 18

As the endolymph in the semicircular canals bends the cupula, the stereocilia are stimulated

Back 18

True

Front 19

Norepinephrine agonists would increase cardiac output

Back 19

True

Front 20

Absorbed lipids are initially transported by the lymphatic system

Back 20

True

Front 21

A tumor stimulating oversecretion of hormones by the thyroid gland would cause plasma Ca2+ to increase

Back 21

False

Front 22

Exceeding the VO2max will result in lactate production by the muscle

Back 22

True

Front 23

Areas of the skin with small receptive fields would have a greater sensory acuity

Back 23

True

Front 24

Highly elevated blood pressure would stimulate an increased glomerular filtration rate

Back 24

True

Front 25

All three types of muscle demonstrate peristaltic contractions

Back 25

False

Front 26

Inadequate bile secretion will limit emulsification of fats

Back 26

True

Front 27

Tissues receive more O2 when the pH is lowered

Back 27

True

Front 28

Most polypeptide and protein hormones are synthesized as prohormones

Back 28

True

Front 29

Cardiac output increases as heart rate increases

Back 29

True

Front 30

Benign tumors grow rapidly and can be dispersed throughout the body

Back 30

False

Front 31

Endocrine glands secrete their products into ducts

Back 31

False

Front 32

The same prostaglandin may produce different effects in different tissues

Back 32

True

Front 33

Resistance in cerebral blood vessels is decreased by hypoventilation

Back 33

True

Front 34

Intrapulmonary pressure increases as the diaphragm contracts

Back 34

False

Front 35

Bile is produced by the gallbladder

Back 35

False

Front 36

A cochlear implant may help someone with conduction deafness

Back 36

False

Front 37

The main function of the kidneys is the regulation of the intracellular fluid

Back 37

False

Front 38

Parasympathetic antagonists would stimulate gastrointestinal motility

Back 38

False

Front 39

Hormone receptors have a high capacity and low affinity

Back 39

False

Front 40

G-proteins are needed to directly stimulate the activation of protien kinase

Back 40

False