quiz 2__quiz 2

Question 1

which of the following joints is a plane joint?

Answer 1

intercarpal

Question 2

anatomically components of the thoracic wall proper include the:

Answer 2

intercostal muscles

Question 3

the following bones form the proximal row of carpal bones, except:

Answer 3

trapezium

Question 4

pyruvate carboxylase is allosterically regulated by:

Answer 4

acetyl coA

Question 5

the long head of the triceps brachii originates from:

Answer 5

scapula

Question 6

this bone contains the general originates pf the bulk of the muscle of the forearm

Answer 6

humerus

Question 7

the freely reversible reaction of the tricarboxylic acid is

Answer 7

succinate thiokinase (or succinyl CoA synthase)

Question 8

all known effects of cAMP in eukaryote cells result from

Answer 8

activation of protein kinase

Question 9

whic of the following is not a product of the pentose phosphate pathway?

Answer 9

water

Question 10

what is the substrarte for the only physiologically irreversible reaction in the krebs cycle?

Answer 10

apha-ketoglutarate

Question 11

how many bones make up the orbit?

Answer 11

7

Question 12

citrate has a positive allosteric effect on which of the following enzymes?

Answer 12

fructose 1,6-bisphosphate

Question 13

what enzyme is primarily responsible for metabolising alcohol?

Answer 13

alcohol dehydrogenase

Question 14

which of the following syndromes is not aneuploidy?

Answer 14

prader-willi syndrome

Question 15

which is sex limited disorder?

Answer 15

baldness

Question 16

the posterior cruciate ligament of the knee:

Answer 16

resists anterior displacement of the tibia

Question 17

uncoupler of oxidative phosphorylation such as dinitrophenol:

Answer 17

allows electron transport to proceed without ATP syntesis

Question 18

which cytogenetic investigation is the most appropriate for clinical diagnosis of kleinfelter syndrome?

Answer 18

routine metaphase chromosome analysis

Question 19

the massetorie fascia is formed from which of the following?

Answer 19

superficial layer of cervical fascia

Question 20

the flared portion of the bone between the shaft and the expanded end is:

Answer 20

diaphysis

Question 21

which vertebrae have transverse foramina?

Answer 21

cervical only

Question 22

which doesn’t participate in the atlanto-axial synovial joint?

Answer 22

ligamentum nuchae

Question 23

what muscle is located adjacent to the spinous process of the spine?

Answer 23

interspinalis

Question 24

which foramina opens into the infratemporal fossa?

Answer 24

foramen ovale

Question 25

the boundaries of the popliteus fossa include all of the following muscles except:

Answer 25

soleus

Question 26

the activity of glycogenetic enzymes is regulated by cAMP in the liver?

Answer 26

phosphorylase

Question 27

a man is identified as having a x-linked dominant disorder. his daughter appears unaffected explanations include all the following except:

Answer 27

inheritance of unaffected paternal allele

Question 28

which of the following ligaments unites 25 transverse processes to the pelvis?

Answer 28

iliolumbar

Question 29

select the correct statement about chromosomal abnormalities

Answer 29

trisomy of the x chromosome is the most common abnormality seen in spontaneous abortions

Question 30

the active form of pyruvate dehydrogenase is formed by the influence of all of the following pyruvate dehydrogenase kinase except:

Answer 30

high pyruvate

Question 31

the rotator cuff of the shoulder includes all of, except:

Answer 31

teres major

Question 32

the bone of the tarsus that articulates with the tibia is:

Answer 32

talus

Question 33

which is true in regard to the santorius muscle?

Answer 33

it arises from the anterior superior iliac spine

Question 34

two parents are both affected with albinism but have a normal child. which of the following terms are correct to this situation?

Answer 34

incomplete penetrance

Question 35

the phenomen in which single gene produces multiple effects involving several organ is:

Answer 35

pleiotropism

Question 36

a patrent ith McArdle's diease would be excepted to have:

Answer 36

painful muscle cramps at all times

Question 37

which of the following molecules would freely cross a phospholipid bilayer membrane?

Answer 37

oxygen

Question 38

while skiing a 23 yo woman falls forward over her skiis, hyperextending her knees. which ligament is most likely to be injured?

Answer 38

posterior cruciate ligament

Question 39

teratogens can be defined as:

Answer 39

any agent that can produce a congontsl malformation or rise the incidence of malformation

Question 40

cholesterol modulates membrane fludity in animal cell membranes by:

Answer 40

disrupting the packing of the chains of lipids

Question 41

all of the following muscles attach to the radius except:

Answer 41

brachioradialis (correct is brachialis)

Question 42

color blindness is due to a sex limited recessive alle. one male in ten is color blind. what proportion are color blind?

Answer 42

0.01

Question 43

the tendinous median raple between the two rectus abdominous muscles running from xiphoid process to the pubic symphysis is termed:

Answer 43

linea alba

Question 44

which of the following is the most common?

Answer 44

trisomy 21

Question 45

.

Answer 45

.

Question 46

what krebs cycle enzyme requires FAD?

Answer 46

succinate dehydrogenase

Question 47

the first cervical vertebra has except:

Answer 47

spinous process

Question 48

correct statement sbout the iliofemoral ligament includes which of the following?

Answer 48

it is attached below to the anterior inferior iliac spine (incorrect)

Question 49

characteristic of muscles of the upper limb include:

Answer 49

the anterior group of the forearm muscles extend the wrist and fingers (incorrect)

Question 50

a patient showing an absence of chylomierons, low density lipoprotein and VLOL would be expected to have defect in the:

Answer 50

ability to syntesaze cholesterol (incorrect)

Question 51

down syndrome is associated with:

Answer 51

low levels of aphafetoprotein

Question 52

the activated form glucose used in the biosynthesis of glycogen is:

Answer 52

glucose 1-phosphate (incorrect)

Question 53

which of the follwing is true for multifactoral inheritance?

Answer 53

they're cause by both environmental factors and chromosaml abnormalities

Question 54

the skeleton of the lower limb can be described correctly by all of the following except:

Answer 54

the hip joint is identical in all aspects to the shoulder joint

Question 55

erythrocytes under normal conditions and microorganisms, under anaerobic conditions may accumualte:

Answer 55

lactate

Question 56

histamine is derived from?

Answer 56

histidine

Question 57

which amino acid forms fumarate?

Answer 57

tyrosine