Level of one of the followings in the blood controls release of thyrotropin releasing factor from the hypothalamus:

A. Thyroxine
B. Cortisone
C. Prolactin
D. Steroids

Chemically hormones may be:

A. Proteins
B. Polypeptides
C. Steroids
D. All of these

Which of the following functional types of neurons is found in mammals?

A. Sensory
B. Associative
C. Motor
D. All of these

A gland in man found embedded in the posterior art of the lateral lobes of the thyroid is:

A. Goiter
B. Pancreas
C. Parathyroids
D. Adrenals

Failure to produce insulin leads to be a condition called:

A. Diabetes insipidus
B. Diabetes mellitus
C. Gluconism
D. Both a & b

Excess melanophore stimulating hormone is secreted during a disease:

A. Epilepsy
B. Alzheimer’s disease
C. Parkinson’s disease
D. Addison’s disease

One of the followings is characterized by excessive breakdown of proteins resulting in muscular and bone weakness:

A. Addison’s disease
B. Cushing disease
C. Graves disease
D. All of the above

Under secretion of somatotropin hormones causes:

A. Lack of thyroid:
B. Lack of adrenal hormone
C. Dwarfism
D. All of the above

The cells in higher animals and in humans that make about half of the nervous system is:

A. Neurons
B. Neuroglia
C. Neuroglia
D. Neurula

Which of the following is responsible for controlling involuntary responses by influencing organs, glands and smooth muscles?

A. Somatic nervous system
B. Autonomic nervous system
C. Central nervous system
D. Diffused nervous system