A 2-year-old boy bruises easily and has previously had bleeding gums. The maternal grandfather has a bleeding disorder. His physical examination shows several small bruises on the legs. Of which coagulation factor would you suspect this patient to be deficient?

#Question id: 11274

#Unit 10. Ecological Principles

Assimilation efficiency (AE) is the proportion of ingested energy assimilated in to blood stream but Production efficiency (PE) is the proportion of assimilated energy that is incorporated in to biomass. Following some statement is correct?

A. Assimilation efficiencies of aquatic herbivore is greater than terrestrial herbivore

B. Production efficiencies of higher tropic level are greater than lower tropic level

C. production efficiencies of vertebrate is less than invertebrate

D. Assimilation efficiencies of Carnivore are often greater than herbivore

#Question id: 2694

#Unit 2. Cellular Organization

Which of the following is affected by palindromic sequences?

#Question id: 11040

#Unit 7. System Physiology – Animal

An increase in which of the following would be expected to decrease blood flow in a vessel?

#Question id: 13178

#Unit 10. Ecological Principles

#Question id: 11090

#Unit 7. System Physiology – Animal

An aviator is flying at 30,000 ft where the barometric pressure is 226 mm Hg. He is breathing 100% oxygen, his alveolar PCO2 is 40 mm Hg, and his alveolar water vapor pressure is 47 mm Hg. What is the alveolar PO2 of the aviator (in mm Hg)? (Assume that the respiratory quotient is equal to 1.)