Receptors for hearing are located in the ________.
Select one:
A. tympanic membrane
B. semicircular canals
C. vestibule
D. cochlea Correct ✔️✔️D
Which pairing of terms is incorrectly related?
Select one:
A. amplitude of a sound: intensity of the sound
B. frequency of sound waves: loudness of the sound Correct
C. quality of a sound : frequency of the sound
D. frequency of sound waves: number of wavelengths ✔️✔️B
What selectively detect potentially damaging the stimuli that result in pain?
✔️✔️nocireceptors
sour taste is elicit by ✔️✔️hydrogen ions
pressure pain and temperature receptors in the skin are ✔️✔️exteroreceptors
CRH stimulates the adrenal cortex to release corticosteroid hormones ✔️✔️False
thyroxine is a peptide hormone but its mechanism is different from other peptide hormones
which of the following statements is true concerning this difference?
a. it causes positive feedback
b. it does not require a second messenger to effect a response
c. it is very specific in the cell type it targets
d. it is a stimulant of cellular metabolism and targets all cells ✔️✔️It does not require a second
messenger to effect a response
reciprocal inhibition means that while one sensory nerve is stimulated another sensory neuron for
synergistic muscle in the same area is inhibited and cannot be respond ✔️✔️True
A factor required for target cell activation by hormone receptor interaction ✔️✔️a number of
receptors for that hormone, strength of the bond between the receptor and hormone, blood levels
of hormone
feeling a gentle caress on your arm would likely involve ✔️✔️, hair follicle receptors, tactile
receptors for hearing are located in the ✔️✔️cochlea
, chemical substances secreted by calls into the extracellular fluids and that regulate the metabolic
function of other cells in the body are called ✔️✔️hormones
virtually all the protein or amino acid-based hormones exert their effects through intracellular
✔️✔️second messengers
steriod hormones exert their action by ✔️✔️entering the nucleus of a cell and initiating or
altering the expression of a gene
which of the following statement about the posterior pituitary hormones is false ✔️✔️ADH
activates the Gq pathway to increase calcium in order to cause insertion of water channels and
increase water reabsorption.
Contraction of the ciliary muscle causes the lens to bend the light less. ✔️✔️false
Without a functioning crista ampullaris, the semicircular canals would not function. ✔️✔️true
The cerebellum and basal nuclei are involved in regulating motor activity, starting
and stopping movements, and coordinating postural movements. ✔️✔️true
houses the receptor organ of hearing, the spinal organ corti. transmits hearing information to the
cochlear nerve, a division of the vestibulocochlear nerve (CN VIII) ✔️✔️cochlea
balance organ. houses receptors for angular (rotational) movement of the head ✔️✔️seminal
canals
Deep pressure is detected by specific types of encapsulated receptors, such as the
✔️✔️Pacinian corpuscles
The first level of neural integration in the somatosensory system is the __________ level.
✔️✔️receptor
__________ are collections of neuron cell bodies associated with nerves in the peripheral
nervous system (PNS) ✔️✔️Ganglia
Spinal nerves are all classified as __________. ✔️✔️All 31 pairs of spinal nerves are mixed
nerves; they carry both afferent (sensory) impulses toward the CNS and efferent (motor)
impulses away from the CNS
Which of the following cranial nerves carries only sensory information? ✔️✔️A purely
sensory nerve, the olfactory nerve carries afferent impulses for the sense of smell.