Josephkibirit31

Which of the following factors can have a negative effect on uterine blood flow? a. Hypertension b. Epidural c. Hemorrhage d. Diabetes e. All of the above - CORRECT ANSWERS e. All of the above How does the fetus compensate for decreased maternal circulating volume? a. Increases cardiac output by increasing stroke volume. b. Increases cardiac output by increasing it's heart rate. c. Increases cardiac output by increasing fetal movement. - CORRECT ANSWERS b. Increases cardiac output by ...

A 73-year-old man comes to the office with fatigue that has become progressively worse over the last several months. He is also short of breath when he walks up one flight of stairs. He drinks 4 vodka martinis a day. He complains of numbness and tingling in his feet. On physical examination he has decreased sensation of his feet. His hematocrit is 28% and his MCV is 114 fL (elevated). What is the most appropriate next step in management? A. Vitamin B12 level B. Folate level C. Peripheral...

thrombocytopenia - deficiency of platelets in the blood. This causes bleeding into the tissues, bruising, and slow blood clotting after injury. A 16 year old boy presented to a doctor by his mother for the injury which he had recently during cycle riding. On examination doctor noticed the loose, overly-flexible joints, smooth or stretchy, easily-bruised skin and abnormal wound healing and scar formation. This is the characteristic feature of the disorder known as - Ehlers-Danlos syndrome ...

Progression of which of the following abnormalities flattens the portal veins? Correct Answer: Biliary obstruction The wall thickness in a normal fasting gallbladder should not exceed Correct Answer: 3 mm This color Doppler sonogram is most likely demonstrating which of the following abnormalities? Correct Answer: Pseudoaneurysm This color Doppler image demonstrates turbulent swirling blood flow within a fluid collection, classic sonographic findings of a common femoral artery pseudo...

What are the major functions of the α1 receptor? - Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? - Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, decrease aqueous humor production What are the major functions of the β1 receptor? -

What gland is found in the muscular triangle of the neck? - Thyroid gland Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? - Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict when light is shined in the unaffected eye and consentual pupil constriction occurs when light is shined in the affected ey...

Which of the following describes the difference between side lobes and grating lobes? Correct Ans ~ Grating lobes are seen with arrays and side lobes are seen with single element probes Color Doppler is evaluated with what type of phantom? Correct Ans ~ Fluid filled phantom If the ultrasound image is too black and white, which of the following will add more levels gray to the image? Correct Ans ~ Decrease rejection levels If you obtain a peak velocity of 60 cm/s with the ...

Organophosphates Correct Answer: anticholinesterase poisoning Atropine, pralodoxime Correct Answer: anticholinesterase poisoning treatment bethachol Correct Answer: muscarinic direct agonist; post-op ileus, urinary retention carbechol Correct Answer: muscarinic direct agonist; glaucoma pilocarpine Correct Answer: muscarinic direct agonist; stimulates sweat, tears, saliva methacholine Correct Answer: muscarinic direct agonist; asthma diagnositic test neostigmine Correct An...

Achondroplasia involves what defect? – Cell-signaling defect of fibroblast growth factor (FGF) receptor 3 Marfan's syndrome involves a mutation in what? – Fibrillin gene Xanthine, hypoxanthine and uric acid are all what type of base? – Purine What is the rate limiting step in Purine de novo synthesis? – PRPP step via glutamin PRPP amidotranferase PRPP amidotransferase inhibited by what downstream products in purine synthesis? –

thrombocytopenia - deficiency of platelets in the blood. This causes bleeding into the tissues, bruising, and slow blood clotting after injury. A 16 year old boy presented to a doctor by his mother for the injury which he had recently during cycle riding. On examination doctor noticed the loose, overly-flexible joints, smooth or stretchy, easily-bruised skin and abnormal wound healing and scar formation. This is the characteristic feature of the disorder known as - Ehlers-Danlos syndrome ...