Endocrine System
Chemical messengers that travel in the bloodstream to stimulate physiological responses in distant organs are called:
Hormones
Which hypothalamic hormone inhibits the release of Growth Hormone (GH) and TSH?
Somatostatin
Conductive hearing loss is most likely caused by damage to the
Ossicles
The optic nerve is formed by axons of which retinal cells
Ganglion cells
Olfactory receptor neurons are unique because they:
Are bipolar neurons
The pineal gland is known to synthesize ___________ at night.
Melatonin
The hormone secreted by the stomach that activates GH secretion is
Ghrelin
The organ of Corti is located within the:
Cochlear duct
Difficulty seeing in dim light is most likely caused by dysfunction of
Rods
Olfactory information reaches the cerebral cortex without first synapsing in the
Thalamus
Exocrine glands differ from endocrine glands because they:
Have ducts
Which hormone is produced by the kidneys to stimulate red blood cell production?
Erythropoietin
High-frequency sounds cause maximal vibration near the
Oval Window
Which structure refracts light the most as it enters the eye?
Cornea
Taste buds are most abundant on which papillae?
Circumvallate
Beta cells of the pancreatic islets secrete:
Insulin
The hormone that stimulates labor contractions and milk release is
Oxytocin
Which cells are most vulnerable to permanent damage from excessive noise exposure?
Cochlear hair cells
Photoreceptors hyperpolarize in response to light because:
cGMP levels decrease
Which taste modality is primarily detected through G-protein-coupled receptors?
Sweet