What organelle contains the chromosomes?
A. centrioles
B. ribosomes
C. lysosomes
D. nucleus
E. mitochondria
D
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The hormone that signals that fertilization and implantation have taken place is
A. pluripotent prolactin. B. human chorionic gonadotropin. C. gonadotropin releasing hormone. D. progesterone. E. pre-embryonic pellucida factor.
When the bladder wall is distended as a result of urine accumulation, the stretch receptors are stimulated and send afferent impulses to the spinal cord that
a. stimulate parasympathetic nerves, which return to the bladder and cause it to contract. b. inhibit the motor neurons that normally keep the external urethral sphincter closed. c. stimulate nerves that go to the kidney and prevent glomerular filtration until the bladder is empty. d. both (a) and (b) above. e. all of these answers.
The ________ division of the autonomic nervous system is known as the "rest and digest" division
A) sympathetic B) parasympathetic C) thoracolumbar D) visceral E) somatomotor
Preganglionic neurons are supplied to the submandibular ganglion by which cranial nerve?
a) Oculomotor (III) nerve (cranial nerve III) b) Facial (VII) nerve (cranial nerve VII) c) Glossopharyngeal (IX) nerve (cranial nerve IX) d) Vagus (X) nerve (cranial nerve X) e) None of these choices