The placental membrane is composed of

A) the embryonic disc. B) a double layer of epithelial cells.
C) a single layer of epithelial cells. D) the amnion and chorion.


B

Anatomy & Physiology

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Why does a person's near point of accommodation decrease with age?

A) Iris muscles calcify with age, not adapting quickly to light changes. B) Posterior chamber shape alters with age, moving the point of best focus. C) A lens becomes clouded with age, letting less light through. D) A lens stiffens with age and does not change shape as well.

Anatomy & Physiology

When a neuron releases a neuromodulator that ________ the release of neurotransmitters from another neuron, this is called presynaptic facilitation.

A. increases B. decreases

Anatomy & Physiology

When a second EPSP (excitatory postsynaptic potential) arrives at a single synapse before the effects of the first have disappeared, what occurs?

A) spatial summation B) temporal summation C) inhibition of the impulse D) hyperpolarization E) decrease in speed of impulse transmission

Anatomy & Physiology

Prematurely born infants sometimes experience respiratory distress due to inadequate production of surfactant

Indicate whether this statement is true or false.

Anatomy & Physiology