Control and coordination HSC exercise solution

Control and Co-ordination

EXERCISE [PAGES 218 - 220]

Exercise | Q 1.01 | Page 218

Multiple choice question.
The nervous system of mammals uses both electrical and chemical means to send
signals via neurons. Which part of the neuron receives impulse?
1. Axon
2. Dendron
3. Nodes of Ranvier
4. Neurilemma
Solution: Dendron

Exercise | Q 1.02 | Page 218

Multiple choice question.
___________ is a neurotransmitter.
1. ADH
2. Acetyl CoA
3. Acetyl choline
4. Inositol
Solution: Acetyl choline is a neurotransmitter.

Exercise | Q 1.03 | Page 218

Multiple choice question.
The supporting cells that produce myelin sheath in the PNS are _________.
1. Oligodendrocytes
2. Satellite cells
3. Astrocytes
4. Schwann cells
Solution: The supporting cells that produce myelin sheath in the PNS are Schwann
cells.

, Exercise | Q 1.04 | Page 218

Multiple choice question.
A collection of neuron cell bodies located outside the CNS is called _________.
1. Tract
2. Nucleus
3. Nerve
4. Ganglionl
Solution: A collection of neuron cell bodies located outside the CNS is
called Ganglionl.

Exercise | Q 1.05 | Page 218

Multiple choice question.
Receptors for protein hormones are located ________.
1. in cytoplasm
2. on cell surface
3. in nucleus
4. on Golgi complex
Solution: Receptors for protein hormones are located on the cell surface.

Exercise | Q 1.06 | Page 218

Multiple choice question.
If the parathyroid gland of man is removed, the specific result will be ___________.
1. onset of aging
2. disturbance of Ca++
3. onset of myxoedema
4. elevation of blood pressure
Solution: If the parathyroid gland of man is removed, the specific result will be
a disturbance of Ca++.

Exercise | Q 1.07 | Page 218

Multiple choice question.
Hormone thyroxine, adrenaline, and nonadrenaline are formed from _____________.

, 1. Glycine
2. Arginine
3. Ornithine
4. Tyrosine
Solution: Hormone thyroxine, adrenaline, and nonadrenaline are formed
from Tyrosine.

Exercise | Q 1.08 | Page 218

Multiple choice question.
Pheromones are chemical messengers produced by animals and released outside the
body. The odour of these substance affects _____________.
1. skin colour
2. excretion
3. digestion
4. behaviour
Solution: Pheromones are chemical messengers produced by animals and released
outside the body. The odour of these substance affects behaviour .

Exercise | Q 1.09 | Page 218

Multiple choice question.
Which one of the following is a set of discrete endocrine glands?
1. Salivary, thyroid, adrenal, ovary
2. Adrenal, testis, ovary, liver
3. Pituitary, thyroid, adrenal, thymus
4. pituitary, pancreas, adrenal, thymus
Solution: Pituitary, thyroid, adrenal, thymus

Exercise | Q 1.1 | Page 218

Multiple choice question.
After ovulation, the Graafian follicle changes into ___________.
1. Corpus luteum
2. Corpus albicans
3. Corpus spongiosum