Physiology Part 2

Question 1

somatosensory area

Answer 1

postcentral gyrus (parietal lobe)

Question 2

visual sensory area

Answer 2

occipital lobe, striate cortex, calcarine fissure

Question 3

auditory sensory area

Answer 3

superior temporal lobe, Heschl’s gyrus

Question 4

gustatory sensory area

Answer 4

base of postcentral gyrus

Question 5

olfactory sensory area

Answer 5

medial temporal lobe

Question 6

Receptive portion of language sensory area (superior temporal lobe)

Answer 6

Wernicke’s

Question 7

Expressive portion of language sensory area (inferior posterior frontal lobe)

Answer 7

Broca’s

Question 8

Motor area

Answer 8

Precentral gyrus (frontal lobe)

Question 9

Skilled movements (anterior to motor cortex)

Answer 9

Premotor area

Question 10

Coordination of muscle contractions

Answer 10

cerebellum

Question 11

cerebellar lesions lead to

Answer 11

SIN

(slurred speech/staccato, Intention tremor, Nystagmus)

Question 12

main relay between cord and brain

Answer 12

thalamus

Question 13

controls ANS and endocrine system,

releases somatostatin

Answer 13

hypothalamus

Question 14

decreases secretion of insulin and glucagon

Answer 14

somatostatin

Question 15

emotional aspects of behavior related to survival

Answer 15

limbic system

Question 16

superior and inferior colliculi

origin of CN III and IV

Answer 16

Midbrain

Question 17

breathing

origin of CN V-VIII

Answer 17

Pons

Question 18

Origin of CN VIII-XII

Answer 18

Medulla

Question 19

dark spots that are a result of aging (oxidation)

Answer 19

lipofuscin

Question 20

pacemaker

Answer 20

sinus (SA) node

Question 21

CN that decreases heart rate

Answer 21

vagus (X)

Question 22

ectopic focus if SA node “dies”

Answer 22

AV node takes over

Question 23

semilunar valves

Answer 23

pulmonic and aortic

Question 24

QRS=?

Answer 24

ventricular depol and atrial repol

Question 25

Diastolic murmurs are most clinically significant (ARMS PRTS)

Answer 25

Aortic Pulmonic
Regurgitation Reguritation
Mitral Tricuspid
Stenosis Stenosis

(systolic are opposite)

Question 26

force exerted by fluid against a wall

Answer 26

hydrostatic pressure

Question 27

created by plasma proteins unable to move through the capillary membrane

Answer 27

osmotic pressure

Question 28

muscle will increase in size when used

Answer 28

Davis’ Law

Question 29

stroke volume increases in response to volume of blood filling the heart

Answer 29

Franks Starling’s Law aka

Maestrini heart’s law

Question 30

pV=k

Answer 30

Boyle’s law

Question 31

precursor to platelets

Answer 31

megakaryocytes

Question 32

production of RBCs through lifespan

Answer 32

embryo: yolk sac
fetus: liver, spleen, lymph, bone marrow
adult: membranous bone marrow

Question 33

Genesis of RBCs

Answer 33

HNRE

hemocytoblast, normoblast, reticulocyte, erythrocyte