Multiple Choice
Which glands secrete calcitonin in jawed fishes and primitive tetrapods?
A) parathyroid glands
B) thyroid glands
C) ultimobranchial glands
D) thymus glands
E) pineal glands
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Endocrine glands produce substances called<br>A)hormones.<br>B)pheromones.<br>C)neurotransmitters.<br>D)lumones.<br>E)histamines.
Q3: Hormones that are biochemically _ usually involve
Q4: The pituitary gland is also called the<br>A)infundibulum.<br>B)hypophysis.<br>C)epiphysis.<br>D)hypothalamus.<br>E)neurothalamus.
Q5: The adrenal medulla<br>A)contains neurosecretory cells controlled by
Q6: The pineal gland of fish appears to
Q7: The group of hormones known as _
Q8: The study of endocrine glands and their
Q9: A substance that stimulates the excretion of
Q10: What do hormones released by the bursa
Q11: Parathormone (PTH)regulates the concentration of _ in