A growing child is in a state of

A growing child is in a state of  a. nitrogen equilibrium. b. positive nitrogen balance. c. negative nitrogen balance. Answer: ...

The essential fatty acids are

The essential fatty acids are  a. linoleic acid and linolenic acid. b. leucine and lysine. c. cholesterol and glycerol. d. HDLs and LDLs. e....

Each cytochrome contains

Each cytochrome contains  a. a protein. b. a pigment. c. a coenzyme. d. both A and B e. both A and C Answer: ...

A T4 assay is used to

A T4 assay is used to  a. determine the number of calories in food. b. directly measure the basal metabolic rate. c. obtain an index of metabolic...

A balanced diet should

A balanced diet should  a. include adequate substrates for the production of energy. b. provide essential amino acids and fatty acids. c. contain...

During starvation

During starvation  a. carbohydrate utilization increases. b. gluconeogenesis accelerates. c. there is a decline in circulating ketone bodies. d....

N compounds include

N compounds include  a. amino acids. b. purines. c. pyrimidines. d. creatine. e. all of the above Answer: ...

Lipogenesis generally begins with

Lipogenesis generally begins with  a. glucose. b. amino acids. c. fatty acids. d. acetyl-CoA. e. succinyl-CoA. Answer: ...

Lipids

Lipids  a. deliver somewhat less energy than an equivalent mass of glucose. b. are difficult to store since they are not water soluble. c. yield...

During lipolysis

During lipolysis  a. triglycerides are converted into molecules of acetyl-CoA. b. triglycerides are broken down into glycerol and fatty acids. c....

During glycolysis

During glycolysis  a. a molecule of glucose is converted into two molecules of pyruvic acid. b. four molecules of ATP are produced. c. two molecules...

A multipolar neuron contains:

A multipolar neuron contains: a. multiple extensions from the cell body c. only one extension from the cell body b. exactly two extensions from the...

Dendrites conduct impulses:

Dendrites conduct impulses: a. toward cell bodies c. within cell bodies b. away from cell bodies d. none of the above Answer:...

Serotonin is an example of a(n):

Serotonin is an example of a(n): a. amino acid neurotransmitter c. acetylcholine derivative b. amine neurotransmitter d. neuropeptide neurotransmitter Answer:...

When an impulse reaches a synapse:

When an impulse reaches a synapse: a. two nerve fibers come in direct contact c. an electrical spark will jump the gap b. impulses will pass in either...

A synapse consists of:

A synapse consists of: a. a synaptic knob b. a synaptic cleft c. the plasma membrane of a postsynaptic neuron d. all of the above Answer:...

During a relative refractory period:

During a relative refractory period: a. the action potential cannot be initiated b. a resting potential exists c. the cell membrane is impermeable...

Which is true of an action potential?

Which is true of an action potential? a. the plasma membrane is impermeable to Na+ and K + ions b. Na+ ions move extracellularly c. the charges become...

Which is true of a reflex arc?

Which is true of a reflex arc? a. it does not involve the brain and spinal cord b. it always consists of an afferent and an efferent neuron c. it...

Which is not true of myelin sheath?

Which is not true of myelin sheath? a. it is associated with white fibers in the brain b. it is important for nerve impulse conduction c. it covers...

The myelin sheath is formed by:

The myelin sheath is formed by: a. Nissl bodies c. Schwann cells b. nodes of Ranvier d. neuron cell bodies Answer: ...