Which intercellular connections force transcellular transport to occur
a. Tight junctions
b. Desmosomes
c. Gap junctions
d. Both A and B
e. Both B and C
A
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Tina is a hard-working sales clerk in a busy department store. She has stood completely still behind the check-out counter for an 8-hour shift. At the end of Tina's shift, she finds that she feels somewhat dizzy and guesses that her blood pressure is quite low. When Tina gets home she also notices that her ankles are swollen. What physiological issue is most likely to blame in this scenario?
A. High hydrostatic pressure in lower leg capillaries B. Reactive hyperemia to lower leg tissues C. High osmotic pressure in her lower leg capillaries D. Lymphatic blockage in her lower legs E. None of these, the swelling is unrelated to cardiovascular issues
Match the name of the pathological condition with its description.
1. general term for the condition of low hemoglobin in the blood 2. a genetic condition where red blood cells have deficient cytoskeletons 3. genetic condition resulting in crescent moon-shaped red blood cells 4. a stem cell dysfunction that produces too many blood cells 5. Caused by a dietary deficiency, this condition results in red blood cells that are small and pale. A. hereditary spherocytosis B. polycythemia vera C. iron-deficiency anemia D. sickle cell disease E. anemia
Triglycerides are composed of
A. nucleotides. B. amino acids. C. monosaccharides. D. glycerol and fatty acids. E. None of the choices are correct.
Benzodiazepines act by increasing ________ activity.
A. enkephalin B. ACh C. glutamate D. GABA