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68 Cards in this Set
- Front
- Back
A submaximal direct stimulus to a skeletal muscle causes
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contraction of some fibers
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Over a period of time, a man uses 4 liters of oxygen and produces 3 liters of CO, What is his RQ for that period?
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0.75
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The partial pressure of oxygen in arterial blood is lower than that in alveoli. The condition suggested is
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thickening of the alveolar membrane
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In which of the following situations is an osmotic diuresis observed?
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During diabetes mellitus
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Which of the following statements supports the observation that the glomerulus acts like a simple physical microfilter?
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Increased concentration of colloids in plasma diminishes the formation of filtrate.
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Following exercise, ventilation is in excess of the metabolic requirement. During this period, the level of lactic acid in blood
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decreases.
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The sensory organs concerned with maintenance of skeletal muscle tonus are
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muscle spindles
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An electrocardiogram showing extra P waves before each QRS complex indicates
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partial heart block
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Within physiologic limits, activity of the respiratory center is decreased directly by
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increased pH.
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The tone of the masseter muscle is maintained by the
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stretch reflex
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The air remaining in alveoli at the end of a forced maximal expiration is the
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residual volume
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Which of the following compounds is NOT involved in coagulation of blood?
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Fe+2
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The natural reservoir for Rocky Mountain spotted fever is
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ticks
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The Lancefield streptococcal group most likely to contain strains pathogenic for man is
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A
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An injection of penicillin into a penicillin-sensitized person may lead to death due to
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constriction of bronchioli and drop in blood pressure
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Prolonged administration of streptomycin may result in damage to the
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auditory nerve
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Dry heat destroys microorganisms primarily by
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coagulation of protein.
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Mycotic organisms are characteristically found microscopically within reticuloenclothelial cells in
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histoplasmosis.
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A number of fungi that commonly cause superficial skin infections belong to the genus
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Trichophyton
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A bacterium well known for its large polysaccharicle capsule is
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Streptococcus pneumonioe
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The progression of impetigo in children involves streptococci and
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staphylococci
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impetigo
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an acute contagious staphylococcal or streptococcal skin disease characterized by vesicles, pustules, and yellowish crusts
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The type of infection commonly transmitted by blood and blood-derived products is
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type B hepatitis
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Serum sickness syndrome is an example of
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a systemic Arthus reaction
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arthus rxn
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a reaction that follows injection of an antigen into an animal in which hypersensitivity has been previously established and that involves infiltrations, edema, sterile abscesses, and in severe cases gangrene
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The eclipse stage of a viral infection is characterized by
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absence of a demonstrable virus particle.
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Which of the following therapeutic agents are classed as broad-spectrum antibiotics
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a) Tetracycline; (b) Chloramphenicol
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Inactivated microorganisms are used in the manufacture of which of the following?
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Salk vaccine
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Acute osteomyelitis is most frequently caused by which of the following microorganisms?
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Staphylococcus
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Which of the following diseases is caused by an agent that produces neither exotoxins nor endotoxins?
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Syphilis
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Specific chemotherapy is useful for treating which of the following conditions?
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Herpes conjunctivitis
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Which of the following agents is most often associated with fatalities following influenzal infections?
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Staphylococcus aureus
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The form of bacterial gene transfer that is least susceptible to DNase and does NOT require cell-to-cell contact is
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transduction
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Two important "post-streptococcal" diseases are
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rheumatic fever and glomerulonephritis
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Hemorrhage is often difficult to curb in patients with liver disorders because of
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hypoprothrombinernia
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A thrombus produced as a result of damage to the ventricular endocardium is characteristic of
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mural thrombus
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Small pin-point hemorrhages that occur on the skin are
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petechiae
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Orchitis is a serious complication in adults with
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mumps.
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Orchitis
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inflammation of a testis
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The disease characterized by radiolucent bone lesions, anemia, hyperglobulinernia and one or more bone marrow tumors containing predominantly plasma cells is
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multiple myeloma
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Heart failure cells are
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hemosiderin-laden macrophages in alveoli.
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A 10-year-old boy bled during tooth extraction. Subsequently, he had multiple bleeding into his joints, especially his knees. Upon questioning, it was reported that a maternal uncle and a male cousin had had similar experiences. The most probable diagnosis is a deficiency of Factor
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VIII.
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hemosiderin
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a yellowish brown granular pigment formed by breakdown of hemoglobin
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factor VIII
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a glycoprotein clotting factor of blood plasma that is essential for blood clotting and is absent or inactive in hemophilia
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Miliary tuberculosis results from spread of tubercle bacilli by way of
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the blood stream
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Left-sided heart failure or shock may be associated etiologically with
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pulmonary edema
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Long-standing chronic renal insufficiency may produce
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parathyroid hyperplasia.
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In amyloidosis of the tongue, the amyloid is deposited primarily in the
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stromal connective tissue
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stroma
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supporting framework of an organ made up of CT
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Pernicious anemia is best treated with
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vitamin B12.
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Malignant bone tumors likely to be encountered in children or young adults include
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c) Ewing's sarcoma. (d) osteogenic sarcoma
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Thrombotic occlusion of a coronary artery may result in
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infarction of the myocardium, fibrosis of the myocardium, conductive changes.
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Growth of which of the following neoplasms is often influenced by hormones
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Breast carcinoma; (c) Prostatic carcinoma
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Leukocytosis is apt to be present in which of the following conditions?
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Acute abscess, Osteomyelitis
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Which of the following cells are more abundant in chronic inflammation than in acute inflammation?
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Plasma cells
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A patient with which of the following diseases is predisposed to develop osteosarcoma?
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Paget's disease of bone
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A high titer of serum heterophile antibodies is found in patients with which of the following conditions?
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Infectious mononucleosis
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In chronic, granulomatous inflammation, which of the following processes is most likely to predominate?
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Proliferation
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Renin is found in which of the following organs?
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Kidney
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Which of the following is the most common skin cancer in man?
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Basal cell carcinoma
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Ascites
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abnormal accumulation of serous fluid in the spaces between tissues and organs in the cavity of the abdomen
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Which of the following sequelae of fatty nutritional cirrhosis is most likely to result in exsanguination?
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Esophageal varix
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Which of the following is most likely to cause a sudden arrest of heart function
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Cardiac tamponade
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cardiac tamponade
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mechanical compression of the heart by large amounts of fluid or blood within the pericardial space that limits the normal range of motion and function of the heart
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Which of the following may result from chronic bronchitis?
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Cor pulmonale
Increased airway resistance Metaplasia and dysplasia of respiratory epithelium |
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Carcinoma of which of the following tissues has been associated with ingestion of food contaminated with Aspergillus?
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Liver
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An infarct is most frequently characterized by what type of necrosis?
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Coagulative
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Which of the following renal diseases is autosomal dominant?
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Polycystic kidney
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