anatomy and physiology 2 quiz one
hemostasis steps
1) vascular spasm- vasorestriction 2) platelets plug form- platelets stick to collgen, clotting factor 3) coagulation (blood clotting factors) vitamin K is needed for synthesizing factors
makes up 8 percent of body weight: males have _______ females have_____
5 and 6 liters 4 and 5 liters
blood is mad up of
55 percent- plasma(least dense) 1 percent- Buffy coat(luekocytes and platelets 45 percent- erythrocytes
PH value of Blood
7.35-7.45
The first step in hemostasis is ________. a. vascular spasm b. conversion of fibrinogen to fibrin c. activation of the intrinsic pathway d. activation of the common pathway
A) vascular spasm
what does albumin do?
Albumin helps keep water from diffusing out of the bloodstream into the extracellular matrix of tissues.
People with ABO blood type O ________. a. have both antigens A and B on their erythrocytes b. lack both antigens A and B on their erythrocytes c. have neither anti-A nor anti-B antibodies circulating in their blood plasma d. are considered universal recipients
B lack both antigens A and B on their erythrocytes
Which of the following describes a neutrophil? a. abundant, agranular, especially effective against cancer cells b. abundant, granular, especially effective against bacteria c. rare, agranular, releases antimicrobial defensins d. rare, granular, contains multiple granules packed with histamine
B) abundant granular, especially effective against bacteria
what must be present for homeostasis in blood and DNA synthesis?
B12 and follic acid
Which of the formed elements arise from myeloid stem cells? a. B cells b. natural killer cells c. platelets d. all of the above
C
The process by which leukocytes squeeze through adjacent cells in a blood vessel wall is called ________. a. leukocytosis b. positive chemotaxis c. emigration d. cytoplasmic extending
C emigration
A patient has been suffering for 2 months with a chronic, watery diarrhea. A blood test is likely to reveal ________. a. a hematocrit below 30 percent b. hypoxemia c. anemia d. polycythemia
D polycythemia
Athletes abuse
EPO, gives higher stamina but increase hematocrit levels 65% makes blood sludge
monocleosis
Epstein barr virus number of agranulocytes
lymphoid =
agranular
dietary requirments for erythropoiesis
amino acids, fats and lipids, carbohydrates, and iron (must be paired with protein)
Blood spreads from the left vertircle to the -
aorta then small arteries, then arterioles, then capillary beds then to tissue
addison's anemia
autoimmune disease, not enough red blood vessels cells destroy stomach mucosa and cant destroy b12
cardiac output
blood from the left ventricle
B lymphocytes precursor gives rise to b lymphocytes that mature in ______
bone marrow
most blood cells originate ______ and don't _____
bone marrow divide
Globulins include both
both antibodies and the blood proteins that transport lipids, iron, and copper.
. Which of the following statements about blood is true? a. Blood is about 92 percent water. b. Blood is slightly more acidic than water. c. Blood is slightly more viscous than water. d. Blood is slightly more salty than seawater.
c
Luekemia
clones of abnormal cells named after the affected cell ion
Which of the following plasma proteins is not produced by the liver? a. fibrinogen b. alpha globulin c. beta globulin d. immunoglobulin
d
Interleukins are associated primarily with which of the following? a. production of various lymphocytes b. immune responses c. inflammation d. all of the above
d all of the above
The production of healthy erythrocytes depends upon the availability of ________. a. copper b. zinc c. vitamin B12 d. copper, zinc, and vitamin B12
d copper,zinc,vitamin b12
Hematapoiesis is the ____
formation of ALL blood cells
myloid =
granulocytes
Where do all leukocytes originate from?
hemocytoblasts
erythrocytes are filled with _____ for gas transport
hemoglobin
chronic hemorrhagic anemia
hemorrhoids, bleeding ulcer
too many red blood cells
high blood viscosity difficult for blood to travel, high blood pressure
tye only complete blood cell is ____
luekocytes
Luekocytes Never Let Monkeys Eat Banana's
neutrophils (50-70%) lymphocytes (25-45%) monocytes eosinophils (2-4%) basophils (0.5-1%)
hemorrhagic anemia
severe wounds blood leak (needs transfusion)
heart beat that can be heard-
sytolic
lymphocyte precursor gives rise to T lymphocyte and matures in _______
thymus
too few red blood cells
tissue hypoxia (not enough oxygen)
3 main functions of blood
transport. regulation, protection
Blood type AB is the _____
universal recipient
A patient has been experiencing severe, persistent allergy symptoms that are reduced when she takes an antihistamine. Before the treatment, this patient was likely to have had increased activity of which leukocyte? a. basophils b. neutrophils c. monocytes d. natural killer cells
A basophils
Which of the following statements about erythropoietin is true? a. It facilitates the proliferation and differentiation of the erythrocyte lineage. b. It is a hormone produced by the thyroid gland. c. It is a hemopoietic growth factor that prompts lymphoid stem cells to leave the bone marrow. d. Both a and b are true
A it facilitates the proliferation and differentiation of the erythrocyte lineage
Hemophilia is characterized by ________. a. inadequate production of heparin b. inadequate production of clotting factors c. excessive production of fibrinogen d. excessive production of platelets
b) inadequate of heparin
heart beat that cant be heard
diastolic
Fibrinogen is the
plasma protein involved in a series of chemical reactions that achieves blood clotting
Thrombocytes are more accurately called ________. a. clotting factors b. megakaryoblasts c. megakaryocytes d. platelets
A clotting factors
Which of the following statements about mature, circulating erythrocytes is true? a. They have no nucleus. b. They are packed with mitochondria. c. They survive for an average of 4 days. d. All of the above
A they have no nucleus
Which of the following statements about albumin is true? a. It draws water out of the blood vessels and into the body's tissues. b. It is the most abundant plasma protein. c. It is produced by specialized leukocytes called plasma cells. d. All of the above are true.
b
T and B lymphocytes ________. a. are polymorphonuclear b. are involved with specific immune function c. proliferate excessively in leukopenia d. are most active against parasitic worms
b) are involved with specific immune function.
The process in which antibodies attach to antigens, causing the formation of masses of linked cells, is called ________. a. sensitization b. coagulation c. agglutination d. hemolysis
c agglutination
Aging and damaged erythrocytes are removed from the circulation by ________. a. myeoblasts b. monocytes c. macrophages d. mast cells
c. macrophages
Hemolytic disease of the newborn is a risk during a subsequent pregnancy in which ________. a. a type AB person is carrying a type O fetus b. a type O person is carrying a type AB fetus c. an Rh+ person is carrying an Rh− fetus d. an Rh− person is carrying a second Rh+ fetus
d) an Rh - person is carrying a second RH-positive fetus
. Prothrombin is converted to thrombin during the ________. a. intrinsic pathway b. extrinsic pathway c. common pathway d. formation of the platelet plug
d) formation of the platelet plug
has digestive enzymes on worms
eosinophil
hematocrit is the percentage of blood volume that consists of
erythrocytes