Ap II Exam 1 Chapter 18,19, And 20
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- 1.Blood does not
- A.
Transport a variety of nutrients
- B.
Help to stabilize the pH of extracellular fluids.
- C.
Participate in the initiation of blood clotting.
- D.
Produce plasma hormones.
- E.
Help to regulate body temperature.
- 2.The buffy coat does not contain
- A.
Lymphocytes
- B.
Granulocytes
- C.
Erythrocytes
- D.
Agranulocytes
- E.
Platelets
- 3.The hematocrit is _____ of the total blood volume
- A.
Less than 1%
- B.
47% to 63% 47% to 63%
- C.
25% to 37%
- D.
42% to 45%
- E.
37% to 52%
- 4._____ is not found in plasma
- A.
Glycogen
- B.
Fibrinogen
- C.
Glucose
- D.
Urea
- E.
Albumin
- 5.____ is a protein not commonly found in plasma
- A.
Albumin
- B.
Hemoglobin
- C.
Transferrin
- D.
Prothrombin
- E.
Fibrinogen
- 6.____ would not decrease colloid osmotic pressure (COP) in blood
- A.
Severe liver failure
- B.
A diet predominantly based on red meat
- C.
Starvation
- D.
An extremely low-protein diet
- E.
Hypoproteinemia
- 7.____ is the most abundant protein in plasma
- A.
Insulin
- B.
Creatine
- C.
Bilirubin
- D.
Albumin
- E.
Creatinine
- 8.Serum is essentially identical to plasma except for the absence of __________.
- A.
Fibrinogen
- B.
Nitrogenous wastes
- C.
Platelets
- D.
Glucose
- E.
Albumin
- 9.Tissues can become edematous (swollen) when
- A.
Colloid osmotic pressure (COP) is high.
- B.
There is hyperproteinemia.
- C.
The concentration of sodium and proteins in blood is high
- D.
Hematocrit is high.
- E.
There is a dietary protein deficiency.
- 10.Myeloid hemopoiesis in adults happens in the
- A.
Thymus
- B.
Spleen
- C.
Red bone marrow
- D.
Yellow bone marrow
- E.
Liver
- 11.The viscosity of blood is due more to _____________ than to any other factor.
- A.
Fibrin
- B.
Albumin
- C.
Sodium
- D.
Erythrocytes
- E.
Nitrogenous wastes
- 12.Erythrocytes transport oxygen and
- A.
Defend the body against pathogens.
- B.
Initiate blood clotting.
- C.
Regulate erythropoiesis
- D.
Transport nutrients.
- E.
Transport some carbon dioxide.
- 13.Most oxygen is transported bound to
- A.
The plasma membrane of erythrocytes.
- B.
Alpha chains in hemoglobin.
- C.
Beta chains in hemoglobin.
- D.
Delta chains in hemoglobin.
- E.
Heme groups in hemoglobin.
- 14.If all the molecules of hemoglobin contained in RBCs were free in the plasma,
- A.
It would considerably increase blood oxygen carrying capacity.
- B.
It would facilitate delivery of oxygen into tissues supplit would facilitate delivery of oxygen into tissues supplied by small capillaries.
- C.
It would facilitate oxygen diffusion into cells distant from blood capillaries.
- D.
It would significantly increase blood osmolarity
- E.
It would drastically increase osmotic colloid pressure
- 15.An increased erythropoietin (EPO) output by the kidneys would lead to all of the following except
- A.
Increased hypoxemia
- B.
Increased blood osmolarity
- C.
Increased RBC production
- D.
Increased blood viscosity
- E.
Increased hematocrit
- 16.Many RBCs die in the
- A.
Stomach and small intestine
- B.
Spleen and liver
- C.
Red bone marrow
- D.
Lymph nodes and thymus
- E.
Stomach and liver
- 17.All these can lead to polycythemia except
- A.
Cancer of the erythropoietic line of the red bone marrow.
- B.
Iron deficiency
- C.
Dehydration
- D.
Emphysema
- E.
Excessive aerobic exercise
- 18.______________ is more likely to cause anemia than any of the other factors below.
- A.
High altitude
- B.
Air pollution other than by carbon monoxide
- C.
Renal disease
- D.
Smoking
- E.
Any factor that creates a state of hypoxemia
- 19.Anemia has these potential consequences except
- A.
Blood viscosity is increased
- B.
The individual is lethargic
- C.
Blood osmolarity is reduced
- D.
Blood resistance to flow is reduced
- E.
More fluid transfers from the bloodstream to the intercellular spaces.
- 20.What is the final product of the breakdown of the organic nonprotein moiety of hemoglobin?
- A.
Biliverdin
- B.
Bilirubin
- C.
Globin
- D.
Heme
- E.
Iron
- 21.Correction of hypoxemia is regulated by
- A.
A self-amplifying mechanism
- B.
An enzymatic amplification
- C.
A positive feedback loop.
- D.
A negative feedback loop.
- E.
A cascade effect
- 22.A deficiency of _____________ can cause pernicious anemia.
- A.
Vitamin C
- B.
Iron
- C.
Vitamin B12
- D.
EPO secretion
- E.
Folic acid
- 23.Sickle-cell disease is not
- A.
Caused by a recessive allele that modifies the structure of hemoglobin
- B.
A hereditary hemoglobin defect.
- C.
Advantageous to protect carriers against malaria
- D.
A cause of malaria
- E.
A cause of amenia
- 24.The ABO blood group is determined by _____________ in the plasma membrane of RBCs.
- A.
Glycolipids
- B.
Glycoproteins
- C.
Antibodies
- D.
Antigen-antibody complexes
- E.
Agglutinins
- 25.Type A blood can safely donate RBCs to _____________ and can receive RBCs of type ___________.
- A.
O; AB
- B.
AB; O
- C.
A; B
- D.
B; A
- E.
O; O
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