A&P quiz 8

Question 1

which of the following have significant functions mainly during bleeding?

Answer 1

platelets

Question 2

which of the following is among the agranulocytes?

Answer 2

monocytes

Question 3

which white blood cell has the greatest nuclear variations?

Answer 3

neutrophil

Question 4

a _____ lacks a nucleus

Answer 4

red blood cell

Question 5

which cell has a large nucleus that fills most of the cell?

Answer 5

lymphocyte

Question 6

which leukocyte is the most abundant in a normal differential count?

Answer 6

neutrophil

Question 7

red blood cells are also called ____

Answer 7

erythrocytes

Question 8

the shape of a red blood cell can be described as a ________ disc

Answer 8

bilobed

Question 9

the functions of red blood cells are _____

Answer 9

transport gases

Question 10

___ is the oxygen-carrying substance in a red blood cell

Answer 10

hemoglobin

Question 11

a mature red blood cell cannot reproduce because it lacks the _____ that was extruded during late development

Answer 11

nucleus

Question 12

polymorphonuclear leukocyte is another name for a _______ with a segmented nucleus

Answer 12

neutrophil

Question 13

normally, the most numerous white blood cells are ______

Answer 13

neutrophil

Question 14

____ are normally the least abundant of the white blood cells

Answer 14

basophil

Question 15

_______ are the largest of the white blood cells

Answer 15

monocytes

Question 16

small cell fragments that function to prevent blood loss from an injury site are called _____

Answer 16

platelets

Question 17

a normal blood total cholesterol level is less than 200 mg/dL

t/f

Answer 17

true

Question 18

the antigens related to the ABO blood group are located

Answer 18

on the red blood cell membrane

Question 19

blood type ___ is sometimes considered the universal donor within the ABO blood group

Answer 19

O

Question 20

blood type ____ is sometimes considered the universal recipient within the ABO blood group

Answer 20

AB

Question 21

hemolytic disease of the newborn could be of concern when an

Answer 21

Rh-positive fetus and an Rh-negative mother consition occurs

Question 22

blood type B is the most common blood type found in the united states population

t/f

Answer 22

true

Question 23

an individual with blood type O lacks both RBC antigens A and B

t/f

Answer 23

true

Question 24

type A blood contains ____ antibody in the plasma

Answer 24

B

Question 25

type B blood contains ____ antibody in the plasma

Answer 25

A

Question 26

the Rh blood group was named after the ____

Answer 26

rheus monkey

Question 27

of the antigens in the Rh group, the most important is _______

Answer 27

D antigen

Question 28

if red blood cells lack Rh antigens, the blood is called _______

Answer 28

Rh-negative

Question 29

the ______ is the inferior end of the heart that is bluntly pointed

Answer 29

apex

Question 30

oxygen-rich blood is located in the

Answer 30

left side chambers

Question 31

the ____ lines the heart chambers

Answer 31

serous pericardium

Question 32

chordae tendineae connect the cusps of the AV valves to papillary muscles of the ventricles

t/f

Answer 32

true

Question 33

the ____ of the conduction system is known as the pacemaker

Answer 33

SA node

Question 34

the ____ of the conduction system is/are located throughout the ventricular walls

Answer 34

purkinje fibers

Question 35

the first two heart sounds (lubb) occur when the

Answer 35

AV valves close

Question 36

the depolarization of ventricular fibers is indicated by the ___ of an ECG

Answer 36

QRS complex

Question 37

the dupp sound occurs when the semilunar valves are closing during ventricular diastole

t/f

Answer 37

true

Question 38

the P wave of an ECG occurs during the repolarization of the atria

t/f

Answer 38

false

Question 39

the period during which a heart chamber is contracting is called

Answer 39

sytole

Question 40

the period during which a heart chamber is relaxing is called

Answer 40

diastole

Question 41

during ventricular contraction, the AV valves are

Answer 41

closed

Question 42

during ventricular relaxation, the AV valves are

Answer 42

open

Question 43

the sound created when blood leaks back through an incompletely closed valve is called a _______-

Answer 43

murmer