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31 Cards in this Set
- Front
- Back
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Which of the following organisms is a natural transformer?
A. Escherichia coli B. Neisseria gonorrhoeae C. Plasmodium vivax D. Pseudomonas aeruginosa E. Staphylococcus aureus
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Neisseria gonorrhoeae |
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Within which of the following peritoneal structures is the cystic artery located?
A. Falciform ligament B. Gastrocolic ligament C. Gastrohepatic ligament D. Hepatoduodenal ligament E. Splenorenal ligament
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Hepatoduodenal ligament |
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What substance allows platelet adhesion to exposed collagen fibers following surgery?
A. Factor VIII B. Factor IX C. Fibronectin D. Tissue factor E. Von Willebrand factor
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Von Willebrand factor |
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Which of the following cofactors is required for decarboxylation of alpha-ketoacids?
A. Vitamin B1 B. Vitamin B2 C. Vitamin B3 D. Vitamin B5 E. Vitamin B6
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Vitamin B1 |
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The reticulospinal tract of the extrapyramidal system controls which of the following?
A. Involuntary regulation of balance and muscle tone. B. Involuntary regulation of eye, head, neck, and upper limb position in response to either a visual or auditory stimulus. C. Involuntary regulation of posture and muscle tone. D. Involuntary regulation of reflex activity and autonomic function. E. Voluntary motor control of the skeletal muscles. |
Involuntary regulation of reflex activity and autonomic function. |
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An INCREASE in which of the following BEST explains the mechanism by which the cardiac output increases in severe anemia?
A. Arteriolar diameter B. Blood viscosity C. Peripheral vascular resistance D. Splanchnic blood flow E. Tissue oxygen tension
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Arteriolar diameter |
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A 39-year-old HIV-positive man has a seizure accompanied by loss of consciousness and leg and arm jerking. The patient is lethargic, unable to answer simple questions, and has an obvious left-sided hemiparesis. The causative organism is MOST likely
A. Cryptococcus neoformans. B. Herpes simplex. C. Mycobacteria tuberculosis. D. Isospora belli. E. Toxoplasma gondii.
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Toxoplasma gondii. |
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In the citric acid cycle, succinate thiokinase (succinyl-CoA synthetase) catalyzes the cleavage of the succinyl-CoA thioester bond with formation of a high-energy compound. This compound can then be used by the body in which of the following biochemical pathways?
A. Cysteine degradation B. Elongation of the polypeptide chain C. Epinephrine synthesis from tyrosine D. Isopentyl pyrophosphate synthesis E. Oxidative phosphorylation
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Elongation of the polypeptide chain |
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Which of the following findings would suggest pemphigus vulgaris as opposed to bullous pemphigoid?
A. Eosinophils within bullae B. Negative Nikolsky's sign C. IgG autoantibody activity D. Oral mucosal lesions
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Oral mucosal lesions |
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A child with cystic fibrosis may have a history of meconium ileus, chronic cough, frequent respiratory tract infections, and bulky, foul-smelling stools and
A. cystinuria. B. hypoglycemia. C. iron deficiency anemia. D. laryngeal papillomas. E. pancreatic insufficiency.
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pancreatic insufficiency. |
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Which of the following stimulates the parietal cells to produce a substance that denatures proteins and activates digestive enzymes?
A. Cholecystokinin B. Gastrin C. Hydrochloric acid D. Intrinsic factor E. Secretin |
Gastrin |
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Which of the following stimulates the parietal cells to produce a substance that denatures proteins and activates digestive enzymes?
A. Cholecystokinin B. Gastrin C. Hydrochloric acid D. Intrinsic factor E. Secretin |
Gastrin |
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Following thyroid surgery, hoarseness and difficulty speaking can be attributed to damage to a branch of which cranial nerve?
A. Facial B. Glossopharyngeal C. Hypoglossal D. Trigeminal E. Vagus |
Vagus |
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In the glycolytic pathway, the substance formed after the enzyme phosphoglucose isomerase exerts its action is
A. fructose-6-phosphate. B. fructose-1, 6-biphosphate. C. glucose-6-phosphate. D. glyceralde-3-phosphate. E. pyruvate |
fructose-6-phosphate |
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Which of the following lipoproteins, manufactured in the liver, transport triglycerides to peripheral tissues in the body?
A. High-density lipoprotein (HDL) B. Intermediate-density lipoprotein (IDL) C. Low-density lipoproteins (LDL) D. Very-high density lipoprotein (VHDL) E. Very-low density lipoprotein (VLDL) |
Very-low density lipoprotein (VLDL) |
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The hormone MOST responsible for regulating sodium balance is secreted from the
A. zona glomerulosa of the adrenal cortex. B. zona reticularis of the adrenal medulla. C. zona fasiculata of the adrenal medulla. D. zona fasiculata of the adrenal cortex. E. zona glomerulosa of the adrenal medulla.
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zona glomerulosa of the adrenal cortex. |
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The hormone MOST responsible for regulating sodium balance is secreted from the
A. zona glomerulosa of the adrenal cortex. B. zona reticularis of the adrenal medulla. C. zona fasiculata of the adrenal medulla. D. zona fasiculata of the adrenal cortex. E. zona glomerulosa of the adrenal medulla.
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zona glomerulosa of the adrenal cortex. |
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In which of the following regions of the liver is the oxidase P450 system located?
A. Bile ducts B. Intermediate zone C. "Ito" cells D. Pericentral vein zone E. Periportal zone
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Pericentral vein zone |
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The layer of loose connective tissue beneath the digestive epithelium is the
A. lamina propria. B. muscularis externa. C. serosa. D. submucosa. E. submucosal plexus.
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lamina propria. |
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Which of the following enzymes is involved in the synthesis of fatty acids?
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Acetyl CoA carboxylase |
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Which of the following is MOST likely to be decreased during resting conditions for a patient that has been severely anemic (Hb = 6.0 g/dL) for several E. Red blood cell H+ concentration
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months?
A. 2,3-diphosphoglycerate B. Arterial PO2 C. Cardiac output D. Mixed venous PO2 |
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Which of the following muscles is innervated by both the accessory nerve and the cervical spinal nerves?
A. Pectoralis minor B. Rhomboideus major C. Serratus anterior D. Subclavius E. Trapezius |
Trapezius |
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congenital condition that alters the texture of the oral and/or vaginal mucosa causing painless white lesions? |
White spongy nevus |
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An AIDS patient develops symptoms of pneumonia, and Pneumocystis carinii is suspected as the causative organism. Which of the following stains would be MOST helpful in demonstrating the organism's cysts?
A. ELISA B. Hematoxylin and eosin C. Methenamine silver D. Prussian blue E. Western blot
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Methenamine silver |
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The dorsal scapular nerve innervates which of the following muscles?
B. Rhomboideus major
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B. Rhomboideus major |
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The parasympathetic control of salivary secretion of the submandibular gland comes from |
VII |
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In which peritoneal structure is the cystic artery located?
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Hepatoduodenal ligament |
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Pain experienced in the anterior half of the external ear canal is transmitted by which nerve?
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Auriculotemporal nerve |
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Pain experienced in the anterior half of the external ear canal is transmitted by which nerve?
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Auriculotemporal nerve |
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Which of the following organisms is the MOST common cause of nongonococcal urethritis?
A. Bacteroides urealyticum B. Chlamydia trachomatis C. Herpes simplex virus D. Mycoplasma genitalium E. Trichomonas vaginalis |
Chlamydia trachomatis |
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Which premolar is MOST likely to have MORE than one distinct occlusal form?
A. Maxillary first B. Maxillary second C. Mandibular first D. Mandibular second
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Mandibular second |
