Final Examination
- Serum is ____ while albumin is ____.
- a blood gas; blood clots
- the liquid portion of blood; the cells
- mostly protein; the matrix
- site for antibodies; a regulator of blood osmolality
- the cellular portion of blood; acellular components
- Which of the following is another name for WBC?
- erythrocyte
- reticulocyte
- leukocyte
- thrombocyte
- monocyte
- In coagulation,
- platelets convert to fibrin.
- factor XII is activated.
- ADP and thromboxanes stimulate other platelets to become activated.
- activated platelets are connected by fibrinogen.
- prostaglandin production is inhibited.
- On the diagram of RBC production, what does “E” represent?
- increased blood oxygen
- decreased blood oxygen
- erythropoietin
- kidney
- red bone marrow
- The atrium
- is a four-chambered muscular pump.
- is a thin walled, blood receiving chamber
- is posterior to the trachea.
- lies mostly to the right of the midline of the sternum.
- has a superior apex and an inferior base.
- Blood in the right ventricle will enter the _____.
- Aorta
- right atrium
- pulmonary arteries
- pulmonary trunk
- pulmonary veins
- Which of the following is matched correctly?
- closure of sodium channels – threshold
- opening of calcium slow channels – repolarization
- closing of calcium slow channels – plateau phase
- opening of potassium channels – depolarization
- opening of sodium fast channels – depolarization
- Closure of the aortic valve would give rise to
- the first heart sound.
- the second heart sound.
- a heart murmur.
- an extra heart beat.
- end-systolic volume.
- Identify structure “B” on the heart diagram.
- left atrium
- aortic semilunar valve
- bicuspid (mitral) valve
- right atrium
- pulmonary semilunar valve
- Pulmonary blood vessels transport blood
- from the left ventricle to the lungs.
- from the left ventricle through the body to the left atrium.
- from the left ventricle through the body to the right atrium.
- from the right ventricle through the lungs to the right atrium.
- from the right ventricle through the lungs to the left atrium.
- Arteries
- have thick, many layered walls
- carry blood away from the heart.
- carry blood under very high pressure.
- may contain valves and are lined with endothelium.
- are described as strong, rigid vessels that always carry oxygenated blood.
- Veins that return blood from the digestive organs drain into the
- brachiocephalic vein.
- superior vena cava.
- hepatic portal vein.
- azygos vein.
- pulmonary arteries.
- When the blood pressure is high, normal blood vessels will
- collapse.
- expand.
- be hypotensive.
- increase in blood flow.
- increase in peripheral resistance.
- The lymphatic system differs from the cardiovascular system in that
- the lymph capillaries do not normally contain formed elements.
- the lymphatic vessels have their own “pump” to assist flow.
- lymph capillaries do not contain any fluid.
- lymph capillaries allow free movement of fluid in and out of the capillaries.
- lymph circulates fluids and cardiovascular does not.
- The spleen contains _____ , which is an RBC reservoir.
- red pulp
- white pulp
- splenic cavity
- splenic trabeculae
- blood-spleen barrier
- Innate immunity is
- inborn.
- adaptive.
- formed by antibodies.
- part of complement.
- controlled by plasma proteins.
- What does “B” represent on the diagram?
- spleen
- thymus
- thoracic duct
- axillary lymph node
- inguinal lymph node
- Internal respiration refers to the
- movement of air into and out of the lungs.
- transportation of oxygen and carbon dioxide in the blood.
- gas exchange between the air in the lungs and the blood.
- gas exchange between the blood and the tissues.
- respiration at the cellular level.
- Arrange the following structures in the order air passes through them during EXPIRATION:
1: alveolar ducts
2: alveolus
3: respiratory bronchiole
4: terminal bronchiole
- 1, 2, 3, 4
- 3, 2, 1, 4
- 4, 3, 1, 2
- 2, 1, 3, 4
- 4, 3, 2, 1
- Most oxygen is transported in the blood
- in the form of bicarbonate ions.
- bound to albumin compounds.
- bound to hemoglobin.
- dissolved in the plasma.
- by the leukocytes.
- The diagram illustrates the major regulatory mechanisms of ventilation. What mechanism does “C” represent?
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a. receptors for touch, temperature, pain stimuli b. medullary chemoreceptors c. Hering-Breuer reflex d. carotid and aortic body chemoreceptors e. proprioceptors
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- Which of the following is the purpose for breathing?
- food selection
- regulation of blood pH
- fuel cellular respiration
- elimination of undigested food
- integration and coordination of other systems
- The parotid gland
- secretes saliva.
- is attached to the hard palate.
- functions in deglutition apnea.
- plays a major role in swallowing.
- contains a lot of connective and lymphatic tissues.
- Which of the following represents a match in small intestine wall structure?
- mucosa – gastric glands
- villi – folds of the mucosa
- muscularis – two layers; both circular
- rugae – folds of mucosa and submucosa
- lining – simple columnar epithelium
- Blockage of the pyloric valve would prevent
- pancreatic juice from entering the duodenum.
- chyme from entering the duodenum.
- bile from entering the duodenum.
- lymph from entering the jejunum.
- chyme from entering the large intestine.
- Which of the following apply to the stomach intestine?
- Secretions from the liver and pancreas enter this organ.
- Segmentation contractions occur in this organ.
- Little absorption occurs in this organ.
- Mixing and propulsion of chyme.
- All of these choices apply to the small intestine.
- The diagram illustrates a structure in the duodenum. What does “E” represent?
- Microvilli
- epithelial cell
- capillary
- lacteal
- villus
- Vitamin D
- is a nutrient in foods.
- is water soluble.
- is lipid soluble.
- is necessary for the body’s utilization of nutrients.
- All of these choices are correct.
- Excess sugars are stored in the liver and muscles. This storage form is called
- adipose tissue.
- glucose.
- energy storage.
- glycogen.
- All of these choices are correct.
- The most favored source of energy from food is
- glucose.
- pyruvate.
- fat.
- cellulose.
- creatine.
- Renin functions in
- preventing blood loss.
- white blood cell production.
- increasing blood pressure.
- production of the hormone aldosterone.
- excretion of nitrogenous wastes (such as urea).
- The first portion of the renal tubule is
- glomerulus.
- ascending loop of Henle.
- proximal convoluted tubule.
- distal convoluted tubule.
- descending loop of Henle.
- Which of the following pressures tends oppose filtration at Bowman’s capsule?
- tubular pressure
- renal pressure
- colloid osmotic pressure
- glomerular capillary pressure
- None of these choices is correct.
- ADH mainly targets cells in the
- proximal convoluted tubule.
- loop of Henle.
- distal convoluted tubule.
- glomerulus.
- collecting duct.
- Which of the following fluid compartments contains the smallest volume of water?
- plasma
- interstitial compartment
- intracellular compartment
- extracellular compartment
- lymph
- Low blood pressure under resting conditions results in decreased urinary output because
- aldosterone levels increase.
- low blood pressure stimulates renin secretion.
- the amount of angiotensin II formed is increased.
- baroreceptors signal the hypothalamus to decrease ADH secretion.
- baroreceptors signal the hypothalamus to increase ADH secretion.
- PTH
- promotes the absorption of calcium from the gastrointestinal tract.
- promotes osteoclast activity in the bones.
- reduces calcium excretion by the kidneys.
- increases extracellular calcium ion levels.
- All of the above are functions of PTH.
- The seminal vesicles
- are in the scrotum.
- are inferior to the bulbo-urethral glands.
- are located in the abdominal cavity.
- is isolated from the accessory glands of the system.
- regulate a temperature that is suitable for normal sperm development.
- Shortly before ovulation,
- the level of LH rises.
- GnRH receptors upregulate.
- corpus luteum degenerates.
- the granulosa cells become corpus luteum cells.
- estrogen increases but progesterone decreases.
- What does “B” on the diagram represent?
- ovary
- vagina
- cervix
- uterus
