Chapter 12 and 13

FSH is a hormone important to the proper functioning of the ovaries and testes. This hormone will not be released from the anterior pituitary until ________ is released from the hypothalamus.

GnRH

During times of stress, which one of the following glands releases CRH to stimulate the anterior pituitary to release ACTH?

Hypothalamus

Both eyes have a blind spot, an area where there are no photoreceptors. When an image is focused on the blind spot, it cannot be "seen."

True

Disorders associated with the endocrine system can be caused by problems with hormone production or lack of receptors for the hormones on the target cells.

True

The loudness (intensity) of a sound is specifically associated with the

amplitude of the sound waves

Which one of the following conditions results when the transparency of the lens decreases?

cataracts

LASIK treatment functions to improve eyesight by

changing the shape of the cornea

The transparent covering of the front of the eye is the

cornea

Hyposecretion of ADH results in

diabetes insipidus

Insufficient production of growth hormone by the anterior pituitary may result in

dwarfism

An individual, driving through his neighborhood, suddenly jams on his car brakes to avoid hitting a child who runs into the road after a ball. A few seconds later, the driver finds that he is shaking and his heart is pounding. This is primarily due to the secretion of which one of the following?

epinephrine from the adrenal medulla

The ovaries of women function as endocrine organs by producing

estrogen and progesterone

During eye examinations, a test is done to monitor the pressure within the eye. This test is done to detect

glaucoma

Which one of the following parts of the brain links to the endocrine system?

hypothalamus

All of the following may result from untreated diabetes mellitus EXCEPT which one?

increased susceptibility to cancer

The "blind spot" is associated with which one of the following?

optic disk

When a sound wave first arrives at the ear, the wave is directed toward the auditory canal by

pinna

Some sensory receptors stop sending action potentials even though the original stimulus persists. This is known as which one of the following?

receptor adaptation

Which one of the following receive(s) a physical or chemical stimulus and ultimately cause(s) nerve impulses to be generated in sensory neurons?

receptors

The vitreous humor fills the main chamber of the eye. Which one of the following structures of the eye would vitreous humor come in contact with?

retina

Which one of the following parts of the eye is continuous with the cornea and forms the outer surface of the back of the eye?

sclera

Which one of the following structures is used to sense rotational movement of the head and body?

semicircular canals

As humans age, their ability to focus on nearby objects deteriorates. This is the result of

stiffening of the lens and loss of accommodation capability

Olfactory receptors are located in which one of the following?

upper part of nasal passages