Where are the renal columns located?
A) renal pelvis
B) major calyx
C) renal pyramids
D) renal medulla
D
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The bellies of the occipitofrontalis muscle are connected by the
A) mandible. B) frontal bone. C) occipital bone. D) epicranial aponeurosis. E) forehead.
Which of the following is a result of phosphate excretion from the body?
A) A decrease in free calcium ions in the ECF B) An increase in free potassium ions in the ECF C) A decrease in free potassium ions in the ECF D) An increase in free chloride ions in the ICF E) An increase in free calcium ions in the ECF
Helper T cells ________
A) function in the adaptive immune system activation B) often function to decrease the immune response C) bind tightly to target cells and release a lymphotoxin called perforin D) release B7 proteins
Which of the following describes the syrinx in birds?
A) lung passage B) hard palate C) voice organ D) nasal gland