A. Alpha cells
B. Beta cells
C. Islets of Langerhans
D. All of the above
Related Mcqs:
- Insulin and glucagon are examples of which of the following types of hormones:
A. Protein
B. Polypeptides
C. Steroids
D. Amino acids - A hormone produced from the duodenum that effects the pancreas to produce and release pancreatic juice is:
A. Oxytocin
B. Gastrin
C. secretin
D. Pancreatin - 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 - The cells or organs that receive stimuli are called:
A. Receptors
B. Effectors
C. Motor neurons
D. Glands and Muscles - Hormones affect the target cells by:
A. Initiating new biochemical reactions
B. Produce their effect by regulating biochemical reactions
C. Control long-term changes only
D. both a & b - A discrete group of cells that makes specific chemical compounds is:
A. Endocrine glands
B. Ductless glands
C. Epilepsy
D. both a & b - The nervous coordination involves specialized cells that are linked together directly or via central nervous system to from a network. These are:
A. Receptors
B. Neurons
C. Effectors
D. All of these - Which of the following in conjunction with somatropin bring growth and act directly on brain cells causing them to differentiate?
A. Thyroxine
B. Tri-iodothyronine (T3)
C. Calcitonin
D. Both a & b - One of the followings stimulates the interstitial cells of testes in males to secrete testosterone:
A. Follicle stimulating hormone
B. Luteinizing hormone
C. Prolactin
D. Vasopressin - 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