A&p 2
Receptors associated with changes in muscles and tendons, and in body position would be classified as ________ senses?
Exteroceptive
Proprioceptive
Which of the following receptors does not normally exhibit sensory adaptation?
Heat receptors
Cold receptors
Pain receptors
Olfactory receptors
The chronic pain (c fibers) are?
Myelinated nerve fibers
Unmyelinated nerve fibers
Muscles spindle fibers
None of these
Which of the following are stretch receptors which aid in maintaining the proper degree of stretch or contraction of muscles?
Lamellated/pacinian corpuscles and tactile/meissner's corpuscles
Muscle spindles and golgi tendon organs
A-delta and c-fibers
Tensor tympani and stapedius
The olfactory receptor neurons are?
Unipolar neurons
Bipolar neurons
Multipolar neurons
Mixed of all these
The olfactory bulbs are located?
On the nasal conchae
Inner surface of the nasal bone
On the cribiform plate of the ethmoid bone
In the sella turcica
The sensitive part of the taste buds are?
Taste pores
Taste hairs
Supporting epithelial cells
Papillae on the tongue
Which receptors work very closely with the taste receptors to give flavor of foods?
Photoreceptors
Meissner's corpuscles
Olfactory receptors
Pacinian corpuscles
The skin in the external acoustic meatus contains many glands called?
Ceruminous glands
Tarsal glands
Sebaceous glands
The function of the ___- is to keep the air pressure of the middle ear equal to the external air pressure
Auditory ossicles
Eustachian tube
Stapedius
Cribiform plate
Tympanic reflex occurs during loud sounds/ two muscles in the ear contract, tightening the auditory ossicles, which causes less vibration transmission at the oval window for the protection of hearing receptor. These two muscles are called?
Ciliary muscles
Levator palpebrae superioris
Superior and inferior obliques
Stapedius and tensor tympani
Hearing receptor cells are located in which part of the ear?
Vestibule of the inner ear
Ampullae of the semicircular canals
Organ of corti of the cochlea
Perilymph of the cochlea
Perilymph is found in the
Scala vestibul
Scala tympani
Both scala vestibull and scala tympani
Cochlear duct
Which type of equilibrium helps maintain balance when the body is still?
Static
Dynamic
Auditory
Otolithic
The macula contains the receptors for
Dynamic equilibrium
Static equilibrium
Hearing
Macula does not have any hair cells
The tough outer white layer of the eye, composed of dense fibrous connective tissue, is called the?
Retina
Choroid coat
Cornea
Sclera
A person's ability to focus on close objects as well as distant objects results from
The changing shape of the lens
The changing shape of the length of the eye
The changing diameter of the pupil
The varying concentration of rods and cones
The transparaent mucous membrane lining the inner surface of the lids and folding back to cover the anterior surface of the eyeball is called?
Sclera
Conunctiva
Cornea
Lacrimal
Whcih photocrecptors allows for more visual acuity and also allow one to to see colors?
Rods
Cones
Both rods and cones
Squeous humor circulates for the posterior to the anterior chamber and leaves through the
Cochlear duct
Semicircular canals
Canal of schlemm
Lacrimal duct
How are homones transported throughout the body?
The travel through ducts
They do no move throughout the body they function in the cells which produce them
They are transported in the blood
They travel along nerves
One of the important mechanisms which controls hormone secretions is
Positive feedback
Negative feedback
Sympathetic innervation
Parasympathetic innervation
Whcih type of hormone diffuses easily through the cell membrane of the target cells
Nonsteroid/water soluble hormone
Steroid/lipid soluble hormone
All hormones need special receptors
Which lobe of the pituitary gland is controlled by several releasing hormones from the hypothalamus?
Anterior lobe
Posterior lobe
Which of the following hormones is not released at the posterior lobe of the pituitary?
Thyroid stimulating hormone
Oxytocin
Antidiuretic hormone
Corticotropin releasing hormone is secreted by the?
Anterior pituitary
Posterior pituitary
Hypothalamus
Adrenal cortex
Adrenocorticotropic hormone is secreted by the?
Adrenal gland
Hypothalamus
Anterior lobe of the pituitary
Posterior lobe of the pituitary
Which of th efollwoing hormones affect the gonads
Somatostatin
Prolactin
Follicle stimulating and luteinizing hormones
Which endocrine gland requires iodine in order to produce its hormones?
Pituitary
Adrenal
Thryroid
Pancreas
Which of the following pairs of hormones work together to control a person's blood calcium levels?
Calcitronin and thyroxine
Thyroxine and parathryroid hormone
Parathryroid hormone and insulin
Calcitonin and parathyroid hormone
A person having a very high metabolism may also have difficulty falling asleep, may have trouble gaining weight, and may get hot easily. These are all symptoms of
Hyperthyroidism
Hyperparathyroidism
Diabetes
Hypothyroidism
Which endocrine gland has one region which produces steroid hormones and another region which produces hormones whose effects are similar to those of the sympathetic nervous system?
Pancreas
Adrenal gland
Gonads
Parathyroid gland
Which of the following hormones can be used as a drug to reduce inflammation?
Thyroxine
Calcitonin
Insulin
Cortisol
The hypothalamus triggers the anterior pituitary to secrete tsh when
Acth levels are low
Thyroxine levels are low
Thyroxine levels are high
Calcitonin levels are high
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