Physio module 3

Question 2

they are the actual anatomical structures that perform the functions dictated by the nerve signals

Answer 2

Effectors

Question 3

lower regions of the brain: automatic muscle responses =higher region : _______

Answer 3

deliberate complex muscle movements

Question 4

the junction point from one neuron to the next

Answer 4

Synapse

Question 5

Chemical synapse : _____ = electrical synapse : gap junctions

Answer 5

Neurotransmitters

Question 6

True or false, Chemical synapses transfer information in both direction

Answer 6

False, one direction ..Electrical un both direction

Question 7

specificity of nerve fibers for transmitting only one modality of sensation

Answer 7

Labeled line principle

Question 8

longest measured time for complete adaptation of a mechanoreceptor is

Answer 8

About 2 days ( baroreceptor)

Question 9

True or false. Plasma growth hormone levels are HIGH during sleep

Answer 9

True

Question 10

Ascending pathway for vibration

Answer 10

Dorsal column medial lemniscus

Question 11

whereby increasing signal strength is transmitted by using progressively greater numbers of fibers

Answer 11

Spatial summation

Question 12

when important sensory information excites the mind,it is immediately channeled into proper integrative and motor regions of the brain to cause desired responses. This is what function of the nervous sys

Answer 12

Integrative function of the nervous sys

Question 13

Often it is important for weak signals entering a neuronal pool to excite far greater numbers of nerve fibers leaving the pool. This is called

Answer 13

Divergence

Question 14

Activating sys of forebrain

Answer 14

Reticular formation

Question 15

Hypothalamus receives input from ______ to maintain homeostasis
A. ICF
B. ECF

Answer 15

ECF

Question 16

Increase in leptin would
A. Increase appetite
B. decrease appetite

Answer 16

B

Question 17

Which form/s of sleep is characterized by autonomic excitation
A. Slow wave 
B. rapid eye 
C. Both 
D. Neither

Answer 17

B.

Question 18

Master gland of the endocrine system

Answer 18

Pituitary gland

Question 19

Master clock of the body

Answer 19

Hypothalamus specifically the suprachiasmatic nuclei

Question 20

When is cortisol at its highest peak? 
A. Early morning
B. noon 
C. Afternoon
D. Evening

Answer 20

A. Prior to awakening

Question 21

Which part of the brain secretes ADH

Answer 21

Supra optic or para ventricular nuclei of the hypothalamus

Question 22

True or false. Melatonin levels increased with increased light

Answer 22

False. It decreases

Question 23

Fastest EEG wave 
A. Alpha
B. beta
C. Theta 
D. Delta

Answer 23

B

Question 24

People are most alert at 
A. Early morning 
B. afternoon
C. Night
D. Late night

Answer 24

B.

lowest alertness -before and after sleep

Question 25

Respond to stimulus after it has been processed by the brain

Answer 25

Efferent / motor

Question 26

True or false an epileptic patient will have a normal EEG

Answer 26

False. It has a characteristic appearance of spikes or sharp peaks

Question 27

True or false. Slow wave sleep is characterized by 4 stages. These four stages occur from the first hour to the last hour of sleep.

Answer 27

False. Stage 3 and 4 disappears

Question 28

First order neuron in ascending pathway

Answer 28

Dorsal root ganglion

Question 29

Mismatch between sensation and perception results in

Answer 29

Illusion

Question 30

What brain structure connects the rostral component of right and left temporal lobe

Answer 30

Anterior commisure

Question 31

Medical term of writhing of the limbs

Answer 31

Athenosis?????

Question 32

True or false. Pain will adapt

Answer 32

False

Question 33

Lesion on anterior hypothalamus would result to A. Hyperthermia in hot weather B. hypothermia in cold weather

Answer 33

A

Question 34

True or false. The percentage of REM sleep declines with age

Answer 34

True. Newborn 50%Adult 25%

Question 35

EEG wave when awake but eyes open

Answer 35

Beta. | Alpha if eyes close

Question 36

What type of sleep is called paradoxical sleep

Answer 36

REM

Question 37

This pathway is theprincipal means by which light signals from the outsideworld transmit the day/night rhythm to the brain’s internalclock

Answer 37

Retinohypothalamic tract

Question 38

links the hippocampus to the mammillary body of the hypothalamus

Answer 38

Fornix

Question 39

``` Slowest EEG wave A. Alpha B. beta C. Delta D. Theta ```

Answer 39

C.

Question 40

Almost all the synapses used for signal transmission in the central nervous system of the human being are electrical synapses

Answer 40

False. Mostly chemical