Midterm

Question 1

the proper procedure if fluid from a dissection / chemical experiment squirted into your eye because you were not wearing safety glasses would be to go to the _

Answer 1

eyewash fountain

Question 2

_ is a database listing information on hazards and how to handle them

Answer 2

material safety data sheet (MSDS)

Question 3

eyes should be flushed for _minutes with running water after chemical exposure

Answer 3

15

Question 4

you (are/are not) allowed to take chemicals and equipment out of the laboratory

Answer 4

are not

Question 5

_ are appropriate to wear when working with chemicals or preserved specimens

Answer 5

gloves, goggles, pants, tennis shoes, lab coat

Question 6

_feet is the correct distance you would be evacuated away from the Science building?

Answer 6

150

Question 7

_ stimulates breast development and maintains lactation

Answer 7

prolactin

Question 8

calcitonin _ blood calcium levels; parathyroid hormone _ blood calcium levels

Answer 8

decreases; increases

Question 9

_ stimulates uterine contractions and causes milk ejection in breasts

Answer 9

oxytocin

Question 10

thyroid hormone consists of two hormones: _ and _

Answer 10

thyroxine; triiodothyronine

Question 11

_ and its hormones are involved in T-lymphocyte maturation in immune system

Answer 11

thymus

Question 12

_ is the portion of the adrenal gland the initiates the fight or flight response

Answer 12

medulla

Question 13

_ are chemical messengers released directly into the blood to inhibit/stimulate target organs

Answer 13

hormones

Question 14

adrenal gland is divided into 2 portions: the outer portion is the _ and the inner/middle portion being the_

Answer 14

adrenal cortex; adrenal medulla

Question 15

_ is the percentage of RBCs present in a given volume.

Answer 15

hematocrit

Question 16

blood consists of _ and _

Answer 16

plasma; formed elements

Question 17

_% of blood is plasma and _% is formed elements

Answer 17

55; 45

Question 18

_ is present in the granules of a basophil

Answer 18

histamine

Question 19

_ indirectly give rise to antibodies

Answer 19

B-lymphocytes

Question 20

Erythrocytes function in gas transport with the use of the protein, _

Answer 20

hemoglobin (HgB)

Question 21

_ is the condition in which the blood exhibits a low oxygen-carrying capacity

Answer 21

anemia

Question 22

Rh factor is based on the presence of _

Answer 22

D antigen

Question 23

blood type A can donate to blood types _ and _

Answer 23

A; AB

Question 24

blood type B would have _ antibody

Answer 24

anti-a

Question 25

the standard definition of an artery = arteries carry blood _ from heart

Answer 25

away

Question 26

_ prevent backflow of blood

Answer 26

AV/semilunar valves

Question 27

in pulmonary circulation, veins carry oxygen-_ blood

Answer 27

rich

Question 28

the two chambers that pump blood out of the heart are called the right and left _

Answer 28

ventricles

Question 29

an abnormal heart sound that indicates a heart valve problem is called a _

Answer 29

heart murmur

Question 30

_ are the alternating pressure surges in an artery that occur when the heart contracts then relaxes

Answer 30

pulses

Question 31

the auscultation sounds of the heart are _

Answer 31

lub dup

Question 32

the QRS complex represents _ and _

Answer 32

ventricular depolarization; atrial repolarization

Question 33

_ node is considered the pacemaker of the heart because it starts the impulse to contraction

Answer 33

sinoatrial (SA)

Question 34

the _ artery has the greatest amplitude of all the superficial pulse points

Answer 34

carotid

Question 35

B lymphocytes differentiate in _

Answer 35

bone marrow

Question 36

blood pressure is usually measured in _

Answer 36

arteries

Question 37

_ function in exchange of gases, nutrients, and wastes

Answer 37

capillaries

Question 38

the largest artery of the body is the _

Answer 38

aorta

Question 39

_ drains lymph from the lower right side of the body and all of the left side of the body

Answer 39

thoracic duct

Question 40

_ is the condition in which the blood's oxygen-carrying capacity is too low to support normal metabolism

Answer 40

anemia

Question 41

_ is an abnormal excess of RBCs that increases blood viscosity

Answer 41

polycythemia

Question 42

_ is the abnormally low white blood cell count/ below 4000 cells per mmᶟ

Answer 42

leukopenia

Question 43

_ is increased WBCs, over 11,000 cells per microliter, is a normal homeostatic response to an infection in the body

Answer 43

leukocytosis

Question 44

_ is overproduction of abnormal WBCs, accompanied by a reduction in the number of RBCs and platelets

Answer 44

leukemia

Question 45

_ is abnormal hemoglobin, results from a change in one of the 146 amino acids in a beta chain of the globin molecule

Answer 45

sickle cell anemia

Question 46

_ is inadequate intake of iron-containing foods or impaired iron absorption (iron is a part of hemoglobin)

Answer 46

iron-deficiency anemia

Question 47

_ = blood clotting

Answer 47

coagulation

Question 48

_ is the centrifugal force packs down heavier formed elements in a capillary tube, and less dense plasma remains at the top

Answer 48

centrifuging

Question 49

_ is one complete heartbeat (atria and ventricles contract and relax)

Answer 49

cardiac cycle`