MATH 2019 TEST

Question

True about Myopia: (short/nearsightedness)

Answer 1

A) Focal length of the eyeball is too long

Answer 2

B) Focal length of the eyeball is too short

Answer 3

C) Objects far away can be seen well

Answer 4

D) I think there was something about “far away objects are focused ... on the retina and near objects are focused ... on the retina?

Answer 5

E) Far point can be 1m away

Answer 6

A) Depends on the state of rods

Answer 7

B) Means the distance of ... and 1 arc

Answer 8

C) Depends on the visual field

Answer 9

D) Can be impaired by defects of focusing

Answer 10

A) They maintain activity of Ia afferent

Answer 11

B) They detect the length of extrafusal muscle fibres

Answer 12

C) They produce contraction of nuclear bag and chain fibres

Answer 13

D) They stimulate the activity of Ib fibres

Answer 14

A) Elicited by postganglionic neurons

Answer 15

B) Elicited by nicotinic receptor

Answer 16

C) Same distance as intramuscular conduction (something like that)

Answer 17

D) Gap junction ... affected by smooth muscle

Answer 18

A) Endocrine cells of medulla of adrenal gland

Answer 19

B) Sarcolemma of smooth muscle cells of urinary bladder

Answer 20

C) Sarcolemma of skeletal muscle cells

Answer 21

D) Sarcolemma of smooth muscle cells of systemic veins

Answer 22

E) Sarcolemma of visceral smooth muscle cells of gallbladder

Answer 23

B) Low frequencies high amplitude in NREM sleep

Answer 24

C) Forms sleep spindles in EEG

Answer 25

D) Appears over occipital lobes when eyes are closed

Answer 26

E) Measured mostly on frontal lobe for conscious thought

Answer 27

A) Contraction of smooth muscles of vessel by alpha 1-Adrenergic receptor

Answer 28

B) Decrease dilation of bronchi by beta 2-adrenergic receptor

Answer 29

C) Increased liberation of epinephrine mediated by alpha1

Answer 30

D) Decrease contraction of gastric sphincter by beta 1-adrenergic receptor

Answer 31

A) Nicotinic receptor generates action potential on motor neuron end plate

Answer 32

B) ACh generates end plate potenial

Answer 33

C) Muscarinic M1 —> IPSP on motor end plates

Answer 34

D) EPP on sarcolemma by ligand gated channels (Ryanodine receptors)

Answer 35

A) Excitatory interneuron

Answer 36

B) Alpha neuron

Answer 37

C) Golgi tendon organ

Answer 38

D) Muscle spindle

Answer 39

E) D alpha input

Answer 40

F) 1 alpha input

Answer 41

A) Degeneration of rhodopsin

Answer 42

B) Regeneration of light sensitive of rhodopsin

Answer 43

C) Constriction of pupil

Answer 44

D) Dilation of pupil

Answer 45

E) Increased sensitivity of retina for light

Answer 46

A) Stereo-cilia bend towards kinocilium, this causes opening of potassium channels (cell discharge more frequently)

Answer 47

B) Behind scala media vibration causes 20Hz

Answer 48

C) Impulse goes to cochlear nerve...

Answer 49

A) End plate potential is produced by ligand-gated sodium channels

Answer 50

B) Calcium ions enter axon terminal through voltage gated channels

Answer 51

C) Calcium mediates resynthesis of neurotransmitters

Answer 52

D) Presynaptic inhibition mediated by inhibitory transmitter as GABA producing IPSP in axon terminal other than neuron, Such process decreases ability of axon to conduct action potential

Answer 53

A) Develops in axon hillock

Answer 54

B) Develops outside of axon hillock

Answer 55

C) Native nicotinic receptor

Answer 56

D) EPP is an example of IPSP

Answer 57

A) Composed of transducer and photopsin

Answer 58

B) Ionotropic receptor of the free floating disc of the outer segment of the rods

Answer 59

C) More sensitive to light than photopsin

Answer 60

D) Mechanoreceptor of coupled G-protein

Answer 61

A, C, B, D, F, E

Answer 62

C, D, A, E, B, F

Answer 63

A, B, C, E, D, F

Answer 64

C, F, A, B, E, D

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MATH 2019 TEST

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Pregunta 4

Pregunta 5

Pregunta 6

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Pregunta 8

Pregunta 9

Pregunta 10

Pregunta 11

Pregunta 12

Pregunta 13

Pregunta 14

Pregunta 15

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