The type of neuronal circuit in which several nerve impulses come together at a single postsynaptic neuron is a ________ circuit.
A. diverging
B. reverberating
C. parallel-after-discharge
D. converging
E. None of the choices is correct.
Answer: D
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The foramen of Monro connects the lateral ventricles with the third ventricle.
Answer the following statement true (T) or false (F)
Jane has Type A blood; therefore, she
A) has antibodies to B agglutinogens. B) can give blood to other people with Type A blood only. C) can receive blood from other people with Type A blood only. D) makes anti-A without ever having been exposed to Type A blood. E) has B antigen on her RBCs.
Some of the precursors for secretion of hormones by the placenta come from the fetal adrenal cortex
Indicate whether the statement is true or false
Which statement about the effect of age on the lymphatic-immune system is not true?
A. The thymus gland enlarges. B. The level of thymic hormones decreases. C. There are fewer antigen-presenting cells. D. There are fewer helper T cells. E. Red bone marrow mass decreases.