quiz 7

Question 1

What is the role of a bipolar neuron?
Question 1 Answer

a.
They carry motor information to glands and smooth muscle

b.
They are involved in detecting info regarding the special senses (such as light or sound)

c.
They carry motor information to skeletal muscle

d.
They are involved in detecting info regarding somatic sensations (such as touch or vibration sense)

Answer 1

b.
They are involved in detecting info regarding the special senses (such as light or sound)

Question 2

Choose the most correct statement regarding astrocyte function.
Question 2 Answer

a.
Astrocytes are key in inducing and maintaining the blood-brain-barrier

b.
Astrocytes aid the production of cerebrospinal fluid (CSF)

c.
Astrocytes conduct action potentials through gap junctions, which helps them facilitate communication between neurons

d.
Astrocytes are important in phagocytosing and eliminating dead cells and microbial invaders

Answer 2

a.
Astrocytes are key in inducing and maintaining the blood-brain-barrier

Question 3

The prevertebral ganglia, which are located anterior to the vertebral bodies, are key parts of the:
Question 3 Answer

a.
Sympathetic nervous system

b.
Parasympathetic nervous system

c.
Corticospinal tract

d.
Spinothalamic tract

Answer 3

a.
Sympathetic nervous system

Question 4

Choose the TRUE statement regarding the organization of the parasympathetic nervous system (PaNS).
Question 4 Answer

a.
The vagus nerve provides the parasympathetic visceral efferents to the reproductive organs/structures

b.
The paravertebral ganglia provides the parasympathetic visceral efferents to the heart and lungs

c.
The vagus nerve provides the parasympathetic visceral efferents to the heart and lungs

d.
The paravertebral ganglia provide the parasympathetic visceral efferents to the reproductive organs/structures

Answer 4

c.
The vagus nerve provides the parasympathetic visceral efferents to the heart and lungs

Question 5

What structures will the corticospinal tract innervate?
Question 5 Answer

a.
The corticospinal tract collects information from pain and temperature receptors of the face and head

b.
The corticospinal tract collects information from pain and temperature receptors below the neck

c.
Skeletal muscles of the face and muscles of mastication

d.
Skeletal muscles located below the neck

Answer 5

d.
Skeletal muscles located below the neck

Question 6

Which of the following enzymes is transcribed (i.e. increased transcription) in the presence of insulin?
Question 6 Answer

a.
Fructose 1,6 bisphosphatase-1

b.
Glycogen phosphorylase

c.
Pyruvate carboxylase

d.
Hexokinase

Answer 6

d.
Hexokinase

Question 7

What is the most significant allosteric activator of phosphofructokinase-1
Question 7 Answer

a.
Fructose-2,6-bisphosphate

b.
ATP

c.
Acetyl CoA

d.
Citrate

Answer 7

a.
Fructose-2,6-bisphosphate

Question 8

Glucose-6-Phosphate forms the starting point of which three metabolic pathways?
Question 8 Answer

a.
Glycolysis, pentose phosphate shunt, glycogenesis

b.
Gluconeogenesis, pentose phosphate shunt, glycogenolysis

c.
Gluconeogenesis, pentose phosphate shunt, citric acid cycle

d.
Glycolysis, glycogenolysis, pentose phosphate shunt

Answer 8

a.
Glycolysis, pentose phosphate shunt, glycogenesis

Question 9

Which enzyme catalyzes the conversion of Fructose-6-Phosphate to Fructose-1,6-bisphosphate?
Question 9 Answer

a.
Hexokinase

b.
Phosphofructokinase 1

c.
Fructose 1,6-bisphosphatase

d.
Phosphofructokinase 2

Answer 9

b.
Phosphofructokinase 1

Question 10

Which form of glucose is transferred onto an existing strand of glycogen by the enzyme glycogen synthase?
Question 10 Answer

a.
Glucose-6-phosphate

b.
UDP-glucose

c.
Glucose-1-phosphate

d.
Glucose

Answer 10

b.
UDP-glucose