Where are the renal columns located?
A) renal pelvis
B) major calyx
C) renal pyramids
D) renal medulla
D
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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
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