1. Serum is ____ while albumin is ____.
a. a blood gas; blood clots
b. the liquid portion of blood; the cells
c. mostly protein; the matrix
d. site for antibodies; a regulator of blood osmolality
e. the cellular portion of blood; acellular components
2. Which of the following is another name for WBC?
a. erythrocyte
b. reticulocyte
c. leukocyte
d. thrombocyte
e. monocyte
3. In coagulation,
a. platelets convert to fibrin.
b. factor XII is activated.
c. ADP and thromboxanes stimulate other platelets to become activated.
d. activated platelets are connected by fibrinogen.
e. prostaglandin production is inhibited.
4. On the diagram of RBC production, what does "E" represent?
a. increased blood oxygen
b. decreased blood oxygen
c. erythropoietin
d. kidney
e. red bone marrow
5. The atrium
a. is a four-chambered muscular pump.
b. is a thin walled, blood receiving chamber
c. is posterior to the trachea.
d. lies mostly to the right of the midline of the sternum.
e. has a superior apex and an inferior base.
6. Blood in the right ventricle will enter the _____.
a. Aorta
b. right atrium
c. pulmonary arteries
d. pulmonary trunk
e. pulmonary veins
7. Which of the following is matched correctly?
a. closure of sodium channels - threshold
b. opening of calcium slow channels - repolarization
c. closing of calcium slow channels - plateau phase
d. opening of potassium channels - depolarization
e. opening of sodium fast channels - depolarization
8. Closure of the aortic valve would give rise to
a. the first heart sound.
b. the second heart sound.
c. a heart murmur.
d. an extra heart beat.
e. end-systolic volume.
9. Identify structure "B" on the heart diagram.
a. left atrium
b. aortic semilunar valve
c. bicuspid (mitral) valve
d. right atrium
e. pulmonary semilunar valve
10. Pulmonary blood vessels transport blood
a. from the left ventricle to the lungs.
b. from the left ventricle through the body to the left atrium.
c. from the left ventricle through the body to the right atrium.
d. from the right ventricle through the lungs to the right atrium.
e. from the right ventricle through the lungs to the left atrium.
11. Arteries
a. have thick, many layered walls
b. carry blood away from the heart.
c. carry blood under very high pressure.
d. may contain valves and are lined with endothelium.
e. are described as strong, rigid vessels that always carry oxygenated blood.
12. Veins that return blood from the digestive organs drain into the
a. brachiocephalic vein.
b. superior vena cava.
c. hepatic portal vein.
d. azygos vein.
e. pulmonary arteries.
13. When the blood pressure is high, normal blood vessels will
a. collapse.
b. expand.
c. be hypotensive.
d. increase in blood flow.
e. increase in peripheral resistance.
14. The lymphatic system differs from the cardiovascular system in that
a. the lymph capillaries do not normally contain formedm: 3.0pt; margin-left: .75in; text-indent: -.25in; line-height: normal; mso-pagination: lines-together; page-break-after: avoid; mso-list: l33 level1 lfo38; mso-hyphenate: none; mso-layout-grid-align: none; text-autospace: none;">c. are located in the abdominal cavity.
d. is isolated from the accessory glands of the system.
e. regulate a temperature that is suitable for normal sperm development.
15. Shortly before ovulation,
a. the level of LH rises.
b. GnRH receptors upregulate.
c. corpus luteum degenerates.
d. the granulosa cells become corpus luteum cells.
e. estrogen increases but progesterone decreases.
16. What does "B" on the diagram represent?
a. ovary
b. vagina
c. cervix
d. uterus
e. uterine tube