A&P

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1 point

Regarding the glomerular filteration rate (GFR)

The glomerular filterate has the same composition as plasma

The GFR depends on the pressure in the afferent arterioles

a substance that has a clearance less than the GFR

The GFR can be determined by measuring the clearance of insulin

1 point

The blood brain barrier in the human adult;

restricts entry of lipid soluble compounds into the brain

restricts entry of ions into the brain

exists only at the chloroid plexus

Seperates thecerebospinal fluid from the intestinal fluid of the brain

1 point

What is somatomedins?

promote diuresis

promote cell growth and development

are released by the adrenal glands

prevent the over production of thyroxine

1 point

with respect to reflexes which statement is true or false?

reflexes are usually protective

reflexes are 'hard wired'

reflexes terminate in skeletal muscle

reflexes are constructed to have relitively few synapses

1 point

What is the glomerulus

renal tubule

nephron

Bowmans capsule

Capillaries

1 point

why do smells sometimes alter out moods?

Because sensory input from olfaction is routed through the limbic system

smells do not alter mood

because smells are satisfying our sense of hunger

better smells act as neurotransmitters and alter brain chemistry

1 point

urine passes through the the uterous by which mechanism?

ciliary action

peristalsis

gravity alone

suction

1 point

Concerning the spinal cord

the grey apperance of the grey matter is due to the myelin sheath

The grey matter of spinal cord lies outside the white matter

each spinal segment has two dorsal roots

the motor neurones are located in the dorsal root ganglia

1 point

Which effect would vasoconstriction of the afferent arteriole of the glomerolus have?

a decrase in renin secretion

an increaser in sodium reabsorbtion

an increase in ultrafilterate production

10.

1 point

Gastric emptying is decreased by which of the following?

All of the above?

Acidic chyme in the duodenum

Concentrated chyme (i.e high osmality) in the duodenum

Fatty chyme in the duodenum

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