front 1 Components of the blood | back 1 Plasma( 55%) and blood cells |
front 2 _________ components of the blood that is composed by waste nutrients and help to transport blood cells | back 2 Plasma |
front 3 Three types of blood cells | back 3 1. Red blood cells ( erytrocytes) 2. white blood cells ( leukocytes) 3. platelets( thrombocytes) |
front 4 Red blood Cells( RBCs) Erythrocytes main function | back 4 Transport O2 and CO2 |
front 5 Patelets ( thrombocytes) | back 5 Involve wound healing and blood clotting |
front 6 There are 5 types of WBCs( Leukocytes) but they are 3 types Granulocytes and 2 types Agranulocytes . Write the name of the 5 WBCS in each gruop | back 6 Leucocytes ( WBCs) that are Granulocytes: Neutrophils, Basophils, Eosinophils Leucocytes ( WBCs) that are Agranulocytes: lymphocytes monocytes |
front 7 Which WBCs are multi-lobe the most common WBCs phagocytocis ( kill bacteria) | back 7 Neutrophils |
front 8 Identify the WBCs that: Nucleus S or U shape Dark purple Release Histamine and heparin that are involve in allergic reactions and inflammation | back 8 Basolphil |
front 9 Identify the WBCs that: Nucleus has two lobes attack parasit | back 9 Eosinophil |
front 10 WBCs Agranulocytes that: Produce antibodies or attack bateria directly, found in the lymph tissues | back 10 lymphocytes |
front 11 Largest WBCs work against viruses and are associated with chronic deseases | back 11 Monocytes |
front 12 1. Select the correct statement about cardiac output A - Stroke volume increases if end diastolic volume decreases. B- If a semilunar valve were partially obstructed, the end systolic
volume in the affected C – A slower heart rate increases end diastolic volume, stroke
volume, and force of D- Decreased venous return will result in increased end diastolic volume. | back 12 C – A slower heart rate increases end diastolic volume, stroke
volume, and force of |
front 13 Site where the velocity of blood flow is fastest and site where blood pressure is greatest. | back 13 Large arteries |
front 14 Site where the blood volume is greatest and Site where the blood pressure is lowest. | back 14 B) Large veins: |
front 15 Site where the resistance to blood flow is greatest and Site that is the major determinant of peripheral resistance. | back 15 Arterioles: |
front 16 Site where the
velocity of the blood flow is slowest and Site where | back 16 Capillaries: |
front 17
If cardiac muscle is deprived of its normal blood supply,
damage would primarily
A) decreased delivery of oxygen B) a decrease in the number of available mitochondria for energy production C) a lack of nutrients to feed into metabolic pathways D) an inadequate supply of lactic acid | back 17 A) decreased delivery of oxygen |
front 18
All of the following conditions impair coagulation except
___________.
| back 18 Correct Answer: Vascular spasm |
front 19 The point in the conduction system of the heart where the impulse is temporarily delayed. | back 19 AV node |
front 20 Found in the interventricular septum | back 20 AV bundle |
front 21 The pacemaker of the heart. | back 21 SA Node |
front 22 Network found in the ventricular myocardium | back 22 Purkinje fibers |
front 23
Which of the following is not one of the three main factors
influencing blood pressure?
| back 23 digestion |
front 24
Norepinephrine acts on the heart by ________.
| back 24 increasing heart rate |
front 25
Factors that aid venous return include all except ________.
B) pressure changes in the thoraxC) venous valves D) urinary output | back 25 D) urinary output |
front 26
The baroreceptors in the carotid sinus and aortic arch are
sensitive to which of the
B) a decrease in oxygen levels C) a decrease in carbon dioxide D) an increase in oxygen levels | back 26 A) Changes in arterial pressure |
front 27
Which of the following would not result in the dilation of the
feeder arterioles and opening of the precapillary sphicters in
systemic capillary beds?
| back 27 D) a local increase in histamine |
front 28
The short-term controls of blood pressure, mediated by the
nervous system and
blood borne chemicals, do not primarily operate via ________.
| back 28 B) altering blood volume |
front 29
Which of the events does not occur when the semilunar valves
are open?
| back 29 D) Ventricles are in diastole |
front 30
Peripheral resistance ___________.
B) Increases as blood vessel diameter increases C) Decreases with increasing length of the blood vessel D) Is not a major factor in blood pressure in healthy individuals. | back 30 A) Increases as blood viscosity increases |
front 31
Organize is correct sequence the following events?
| back 31 D) 3,4,1,2 1.Formation of Thromboplastin 2.prothrombin à thrombin 3.Fibrinogen à fibrin 4.Clot retraction |
front 32
Which of the following is not a phase of the hemostasis?
| back 32 C) Fibrinolisys |
front 33
Isovolumetric contraction ________________ .
| back 33 B) refers to the short period during ventricular systole when the
ventricles are |
front 34
Platelets ____________.
| back 34 C) stick to the damage area of a blood vessel and help seal the break |
front 35
The P wave of a normal electrocardiogram indicates _________.
| back 35 A) Atrial depolarization |
front 36 Blood Cells that nucleus has two lobes, contains granules of
lysosomal enzymes, functions in | back 36 Eosinophils |
front 37 Blood Cells that Contain a U- or an S- shaped nucleus, granules stain
very dark, releases histamine | back 37 Basophils |
front 38 Blood Cells that Transports oxygen and also carbon dioxide. | back 38 RBCs (erythrocytes) |
front 39 Largest of the WBCs, crucial in defense against viruses, associated
with chronic | back 39 Monocyte |
front 40 Nucleus is multilobed, functions as phagocyte, contains fine indistinct granules. | back 40 neuthrophil |
front 41
If the vagal nerves in the heart were cut, the result would
be that _________.
| back 41 d) the heart rate would increase by about 25 beats per minute |
front 42
The influence of blood vessel diameter on peripheral
resistance is __________.
| back 42 A) significant because resistance is inversely proportional to the
fourth power |
front 43
Which of the following factors does not influence heart rate?
| back 43 skin color |
front 44
Which of the choices below reflects the balance (or imbalance)
between the
direction and amount of fluid that flows across the capillary walls?
| back 44 D) hydrostatic and osmotic pressure of the blood |
front 45
Which of the following chemical substances does not help
regulate blood pressure?
| back 45 C) Oxytocin or Nitric Acid |
front 46
Compared to skeletal muscle, cardiac muscle ___________.
| back 46 B) has gap junctions that allow it to act as a functional syncytium |
front 47
What organ in the body regulates erythrocyte production?
| back 47 Correct Answer:D kidney |
front 48
Which of the following is a pivotal molecule associated with
the external surfaces
| back 48 Correct Answer:B |
front 49
Hemorrhage with a large loss of blood causes ___________.
| back 49 Correct Answer: D a lowering of blood pressure due to change in cardiac output |
front 50
Which of the following might trigger Erythropoietin (EPO)?
| back 50 Correct Answer:D hypoxia of EPO- producing cells |