practical 1

Question 1

location of the right coronary artery

Answer 1

emerges from the aorta

Question 2

location of the left coronary artery

Answer 2

between pulmonary trunk and auricle of the left atrium

Question 3

location of the great cardiac vein

Answer 3

runs in the anterior interventricular groove

Question 4

location of the middle cardiac vein

Answer 4

posterior aspect of the heart; arises at the cardiac apex and runs within the posterior interventricular groove

Question 5

location of the small cardiac vein

Answer 5

within the posterior aspect of the right coronary sulcus

Question 6

location of the coronary sinus

Answer 6

posterior portion of the coronary sulcus on the posterior surface of the heart

Question 7

function of the right coronary artery

Answer 7

supplies blood to the right ventricle, the right atrium and the SA and AV nodes

Question 8

function of the left coronary artery

Answer 8

supplies blood to the left side of the heart

Question 9

function of the great cardiac vein

Answer 9

returns deoxygenated blood from the anterior surfaces of the left ventricle

Question 10

function of the middle cardiac vein

Answer 10

drains a smaller portion of the deoxygenated blood to its respective heart chambers

Question 11

function of the small cardiac vein

Answer 11

drains a smaller portion of the deoxygenated blood to its respective heart chambers

Question 12

function of the coronary sinus

Answer 12

draining most of the deoxygenated blood leaving the myocardium

Question 13

function of oxytocin

Answer 13

uterine contraction and milk ejection

Question 14

function of the antidiuertic hormone (ADH)

Answer 14

water reabsorption (kidneys)

Question 15

function of the growth hormone

Answer 15

growth of tissues

Question 16

function of thyroid-stimulating hormone (TSH)

Answer 16

thyroid hormone production and release

Question 17

function of the adrenocorticotropic hormone (ACTH)

Answer 17

glucocorticoid production and release

Question 18

function of the follicle-stimulating hormone

Answer 18

female: growth of ovarian follicles and estrogen secretion
male: sperm production

Question 19

function of the luteinizing hormone

Answer 19

female: ovulation, maintenance of corpus luteum
male: testosterone secretion

Question 20

function of prolactin

Answer 20

milk production

Question 21

layers present in arteries

Answer 21

tunica intima, tunica media, tunica externa

Question 22

layers present in veins

Answer 22

tunica intima, tunica media, tunica externa

Question 23

layers present in capillaries

Answer 23

tunica intima, basement membrane

Question 24

function of the arteries

Answer 24

expand and recoil to pump blood through circulation

Question 25

function of the veins

Answer 25

act as a blood reservoir

Question 26

function of capillaries

Answer 26

exchange materials between blood and tissues