BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 48, Problem 6U
Summary Introduction
Introduction:
Blood is a red colored body fluid that circulates within the blood vessels inside the body of humans and other animals. Blood is composed of plasma, platelets, erythrocytes (red blood cells), and lymphocytes (white blood cells). Blood is a part of cardiovascular system and supplies nutrients and oxygen to all the body tissues.
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What cell gives rise to all formed elements:- a. hematopoietic stem cell (HSC) c. erythroblast b. proerythroblast d. reticulocyte
Which protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?
Select one:
a. von Willebrand factor
b. Thromboxanes
c. Endothelin
d. Fibrinogen
For a person whose hematocrit is 45%,
a.
plasma volume would be 55% of total blood volume
b.
plasma volume would be 45% of total blood volume
c.
red blood cell volume would be 55% of total blood volume
d.
white blood cell volume would be 45% of total blood volume
All of the following characteristics of platelets are true EXCEPT
a.
Exhibit many vesicles
b.
Have nucleus
c.
Platelets are fragments of megakaryocytes
d.
Smallest size compared to other blood cellular components of 2- 4 μm
If someone has no megakaryocytes, he/she will
a.
not be able to phagocytize bacteria
b.
have a reduced ability to prevent blood loss
c.
not be able to make red blood cells
d.
not be able to make white blood cells
Chapter 48 Solutions
BIOLOGY
Ch. 48.1 - Prob. 1LOCh. 48.1 - Prob. 2LOCh. 48.2 - Prob. 1LOCh. 48.2 - Prob. 2LOCh. 48.2 - Prob. 3LOCh. 48.3 - Prob. 1LOCh. 48.3 - Prob. 2LOCh. 48.4 - Prob. 1LOCh. 48.4 - Prob. 2LOCh. 48.5 - Prob. 1LO
Ch. 48.5 - Prob. 2LOCh. 48.5 - Prob. 3LOCh. 48.5 - Prob. 4LOCh. 48 - Prob. 1DACh. 48 - Prob. 1IQCh. 48 - Prob. 2IQCh. 48 - An ECG measures a. changes in electrical potential...Ch. 48 - Systole is vitally important to heart function and...Ch. 48 - Which of the following is the correct sequence of...Ch. 48 - Which of the following statements is not true? a....Ch. 48 - Prob. 5UCh. 48 - Prob. 6UCh. 48 - When a sphygmomanometer is used, a. blood pulses...Ch. 48 - Prob. 8UCh. 48 - In vertebrate hearts, atria contract from the top,...Ch. 48 - Prob. 2ACh. 48 - The difference between the amphibian and mammal...Ch. 48 - Prob. 4ACh. 48 - Humans have a number of mechanisms that help to...Ch. 48 - Prob. 2SCh. 48 - Is the evolution of the four-chambered heart...Ch. 48 - Prob. 4S
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- Which of the choices below best describes the systemic circulation of blood?a. The flow of blood into the right atrium and eventually out of the left ventricle.b. The movement of blood from the pulmonary trunk, through capillaries into the pulmonary veins.c. The movement of blood into the coronary arteries, through capillaries into the coronary sinus.d. The movement of blood from the aorta, through arteries and capillaries and then eventually to the vena cavae.arrow_forwardA mismatch of blood types during a transfusion is dangerous because _________. a.clotting factors in the donor's blood will cause unwanted clots known as thrombus b.antibodies in the donor's plasma will attack and kill the recipient's healthy blood cells c.preformed antibodies in the recipient's blood will bind and clump (agglutinate) the donated cells d.white blood cells from the donor's blood cause inflammationarrow_forwardWhich cell(s) can bind to oxygen and carbon dioxide? Select one or more: a.myloid stem cells b.thrombocytes c.erythrocytes d.pluripotent stem cells e.pluripotent stem cellsarrow_forward
- What would be a good target for a drug if one wanted to affect veins but not arteries? Group of answer choices a. A binding site on an area of the tunica media with abundant smooth muscle b. An antigen anywhere there is continuous endothelium c. A channel in the tunica media where there are abundant elastic fibers d. A protein on the surface of valves e. Fenestrated areas in the endotheliumarrow_forwardWhich of the following is the correct sequence of events in the circulation of blood? a. Heart arteries arterioles capillaries venules lymph heart b. Heart arteries arterioles capillaries veins venules heart c. Heart arteries arterioles capillaries venules veins heart d. Heart arterioles arteries capillaries venules veins heartarrow_forwardAn increase in lymphocytes may mean a problem associated with. a. clotting b. immunity C. pulmonary circulation d. systemic circulationarrow_forward
- Why does cholesterol increase the likeliness of blood clots? A. Cholesterol widens the blood vessel causing blood pressure to rise. B. Cholesterol changes the composition of proteins in the blood. C. Cholesterol narrows the blood vessel thus slowing the rate of blood flow. D. None of the abovearrow_forwardWhich one of the following most CORRECTLY represents the course that blood would traverse from the heart to the spleen? A. Arch of the aorta -> abdominal aorta -> inferior mesenteric a -> gallbladder B. Thoracic aorta -> abdominal aorta -> celiac artery -> splenic artery C. Ascending aorta -> thoracic aorta -> cystic artery -> ileo-colic artery D. Abdominal aorta -> superior mesenteric artery -> hepatic artery -> sigmoidal arteryarrow_forwardWhat are fragments of megakaryocytes commonly called? A. White blood cells. B. Red blood cells C. Platelets D. Serumarrow_forward
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