Mixed 3a Flashcards
A tumor that shows a densely granulated somatotroph adenoma but the Gas subunit of G proteins in the tumor lack GTPase activity most likely have increased activity of
Adenylyl cyclase
How is analgesics (morphine) to cause clinical deterioration after initiation of therapy
It is metabolized to active metabolites that accumulate
When an object is swallowed whiles standing its most likely to get lodged in the
Lower right lung
When the infraspinatus and teres minor muscle are being strengthen after an injury the arm should be
Lateral (external) rotation against resistance
What is the cause of pale skin in a person with albinism (pale hair, blue eyes and unable to look at lights)
Inability to produce melanin
A back pain that begins immediately after trying to lift weight of the ground to overhead is due to
Rupture of an intervertebral disc
Cells from which part of the kidney are first to show signs of anoxic injury (nitrogen injury
Proximal Tubule
A person experiencing DVT complains of shortness of breath and chest pain. The most appropriate immediate therapy should include a drug with what mechanism of action
Activation of antithrombin II
What mechanism most likely underlies Li-Fraumeni syndrome
Impaired regulation of apoptosis
What set of changes are likely to be observed in a patient exposed to smoking; mucus production and secretion, cilia activity, alveolar macrophages function
- Mucus Production and
secretions will be elevated - Activity of cilia and alveolar
macrophages decreased
Which extracellular matrix component is required to increase TENSIL strength after injury (postoperative abdominal incision)
Collagen
The facial nerve exits through the
Rotundum
Gram stain shows elliptical, PURPLE, BUDDING organism around catheter site. What is it?
Candida albicans
In treating Rheumatoid arthritis when prednisone and methotrexate does not improve condition. The next step is to use a drug that blocks
Tumor necrosis factor-alpha
In ventricular septal defect which population of cells were most likely absent during cardiac development
Ectodermal neural crest
Progress difficult walking, weakness and decreased muscle bulk of lower extremities, patellar and achilles tendon reflexes are diminished. What is the likely cause
Degeneration of motoneurons of the lumbar cord
Erection that is obtained only
through physical contact and does not last long is best explained as an intact spinal reflex between the
Sacral parasympathetic nerves and the pudendal nerves
The difference in response to isoflurane only and isoflurane + nitrous oxide bing more potent is
Blood:gas partition coefficient
A 1 week history of watery bloody diarrhea after a vacation from Kenya. Stool specimen shows trophozoites displaying erythrophagocytosis. Causal organism
Entamoeba histolytica
Round worm larva in kids is most acquired through
Feces contaminated soil
Dysmorphic features and numerous organ anomalies seen in a child of a mother that has experience many spontaneous abortions. The most likely cause of the abnormalities in this child is
Unbalanced chromosome rearrangement
In herpes simplex virus the most appropriate drug inhibits which viral enzyme
DNA polymerase
Intermittent anal itching in a pregnant woman, pain on defecation and occasional bright red blood with wiping. Examination shows a lesion what is the cause
Venous hypertension
When the larynx is irritated by a particle of food and cough is provoked what is the position of the vocal crd through this sequence
1. While swallowing vocal
cord is closed
2. Immediately after irritation
its is still closed
3. While coughing vocal cord
is opened
