Online MCQ/EMQ Questions Flashcards
How may rumen acidosis (by carb overload) be reduced in cattle?
Provide clean straw ad libitum
In beef production, which animal has the higher killing out %? Castrated or entire male?
Castrated
At what age are dairy calves weaned?
8 weeks
Why is dietary fibre added to pet foods?
To lower the energy density for weight control
When a mare is lactating, what % of the diet should be forage (rest being concentrate)?
50%
How does haylage differ from hay? (Terms of dry matter)
Haylage is of lower dry matter
In which part of the pig GI are most proteins absorbed?
Duodenum
What cell membrane molecule is the target for antifungal drugs?
Ergosterol
Does arterial vasoconstriction or vasodilation cause an increased afterload?
Vasoconstriction
Which blood vessel carries oxygenated blood from the mother to the foetus?
Umbilical vein
How do embryos get nutrition from the yolk sac? Via which vessel
Vitelline veins
GIve an example of an amino acid that is biogenic?
Tryptophan
In the adrenal gland, what does the zona reticulata secrete?
Cortisol
What is the major cation in ECF?
Na
Smooth muscle tone is maintained by which molecules presence in cytosol?
Calcium ions
Which joint has poorly developed collateral ligaments in the FL?
Shoulder
What is the main action of the triceps?
Extend the elbow
Which muscles cover the lateral surface of the femur?
Vastus lateralis
Biceps femoris
WHich cells destroy bone matrix?
Osteoclasts
Where is myoglobin in relation to haemoglobin on the dissociation curve?
Very left
Where is foetal haemoglobin compared to myoglobin and haemoglobin?
Middle
Increased H+, DPG, CO2 and temperature causes the oxygen dissociation curve to shift which way?
Right
A decrease in H+, CO2, DPG cause the curve to shift which way?
Left
Which structure is anatomical dead space of the respiratory tract?
Terminal bronchioles
