JUST ANSWER ALL OF THEM.

A ganglion in the peripheral nervous system is similar to (oranalogous to) a ______ in the central nervous system.

Question 41 options:

	Nucleus
	Nerve
	Tract
	Oligodendrocyte

Question 42 (2 points)

Saved

The pressure difference that pulls air into the lungs is createdby...

Question 42 options:

	Lung compliance.
	Narrowing of bronchioles.
	Contraction of the respiratory muscles.
	Lung elasticity.

Question 43 (2 points)

Saved

The efferent part of the nervous system...

Question 43 options:

	Contains both somatic and autonomic subdivisions.
	Is a subdivision of the central nervous system.
	Contains both sensory and peripheral subdivisions.
	Contains both sensory and motor subdivisions.

Question 44 (2 points)

Saved

The hormone that causes reabsorption of water from thecollecting duct of a nephron is...

Question 44 options:

	Antidiuretic hormone (ADH).
	Aldosterone.
	Atrial Natriuretic Peptide (ANP).
	Cortisol.

Question 45 (2 points)

Saved

Urea cannot be reabsorbed from kidney tubules.

Question 45 options:

	True
	False

Question 46 (2 points)

Saved

According to Henry's Law, the amount of gas dissolved in a fluid(such as blood), depends on which of the following factors?

Question 46 options:

	Temperature
	The solubility of the gas
	The partial pressure of the gas
	All of the former are correct.

Question 47 (2 points)

Saved

When a neuron's membrane potential goes up to +30 microvolts(with respect to the inside of the cell), the neuron is referred toas...

Question 47 options:

	Hyperpolarized.
	Repolarized.
	Depolarized.
	Polarized.

Question 48 (2 points)

Saved

Fluid from the kidney tubules that is reabsorbed entersthe...

Question 48 options:

	Minor calyx and then the major calyx.
	The ureter and then the urinary bladder.
	Interstitial fluid and the peritubular capillaries.
	Interstitial fluid and then the efferent arteriole.

Question 49 (2 points)

A plasma cell...

Question 49 options:

	Lives for about two weeks.
	Is a type of B lymphocyte.
	Both A and B are correct.
	None of the former is correct.

Question 50 (2 points)

In low blood oxygen (O2) conditions, localarterioles in which of the following body tissues would be expectedto constrict?

Question 50 options:

	Leg muscle
	Lung
	Both lung and leg muscle.
	Neither lung nor leg muscle.