Senses, Endocrine, Blood and the heart

When an adequate stimulus acts on a receptor, a(n) _____ potential develops in the receptor's membrane.

The web-like arrangements of free nerve endings that surround hair follicles and detect movement are

The category of receptors that are activated by intense stimuli of any type that result in tissue damage is

Which type of receptor is found only in the eye?

The general (somatic) sensory receptors may be classified anatomically as either

Which two types of nerve fibers carry pain impulses from nociceptors to the brain?

The type of deep or visceral pain that develops more slowly over time travels over

Free nerve endings called _____ mediate sensations of heat and cold.

Which two types of stretch receptors are associated with muscles and tendons and are classified as proprioceptors?

Sensations produced by the receptors of general sense organs are often called the

Which of the following is not a group (classified by location) of receptors?

The activation of which two types of proprioceptors allows us to orient our bodies in space and provides us with positional information about specific body parts while at rest or during movement?

The neural pathways in tickle involve both the _____ and _____ before the impulses reach the cerebral cortex.

Tactile corpuscles are encapsulated tactile end organs, also called

What proprioceptor is located at the point of junction between muscle tissue and tendon

Epithelial support cells, basal cells, and olfactory sensory neurons can be located in the

Which classification of tongue papillae are bumps with tiny, threadlike projections that do not contain taste buds?

The ear is divided into which three anatomical parts?

The tiny bones found in the middle ear are the

The sense organs involved in the sense of balance are found in the vestibule and the

Dynamic equilibrium depends on the functioning of the

The innermost coat of the eyeball is the

The transparent, anterior portion of the outer coat of the eyeball is called the

Cones are less numerous than rods and are densely concentrated in the

The intrinsic muscles located within the eye are the _____ muscles.

Accommodation for near vision necessitates

As people grow older, they tend to become farsighted. This condition is called

The clear and potassium-rich fluid that fills the labyrinth is

The substance that fills both chambers of the anterior cavity of the eye is the

_____ is a progressive hearing loss that is associated with aging and results from degeneration of nerve tissue in the ear and the vestibulocochlear nerve.

The neuroendocrine system performs all of the following EXCEPT

In _____, one hormone produces the opposite effect of another hormone.

Which of the following statements is true?

According to the hypothesis, steroid hormone receptors are not attached to the plasma membrane but seem to move freely in the nucleoplasm.

The control of hormonal secretion is usually part of a(n) what?

Not all nonsteriod hormones operate according to the second messenger model. The exception is the pair of thyroid hormones called

Eicosanoids are a unique group of lipid molecules that include

As a group, prostaglandins are involved in overall endocrine regulation through their influence on

Which tissue hormones act as regulators, synthesize blood platelets, and are important in blood clotting?

In the endocrine system, secreting cells send hormones to signal specific

Hormones can be classified as either

Which of the following are nonsteroid hormones?

When a small amount of hormone allows a second hormone to have its full effect on a target cell, the phenomenon is called

If synthesis of new receptors occurs faster than degradation of old receptors, the target cell will have more receptors and thus be more sensitive to the hormone. This phenomenon is called

Which tissue hormones act as regulators of immunity?

The adenohypophysis is divided into which two parts?

The formation and activity of the corpus luteum result from the secretion of

Which hormone increases calcium storage in bone?

The primary function of aldosterone is

The _____ serves as a temporary endocrine gland and produces human chorionic gonadotropin hormone.

Hyposecretion of prolactin can cause

Which types of cells of the adenohypophysis secrete luteinizing hormone and follicle-stimulating hormone?

How does the growth hormone affect metabolism? select all that apply

Which hormone prevents the formation of a large volume of urine?

Which pancreatic hormone tends to promote the movement of glucose, amino acids, and fatty acids out of the blood and into the tissue cells?

_____ accelerate(s) the breakdown of proteins into amino acids.

The body’s “biological clock” is supported by the

Antidiuretic hormone and oxytocin are stored and released by the

Which hormone develops the breasts during pregnancy in anticipation of milk secretion?

The stem-like stalk that connects the pituitary gland to the hypothalamus is the ( select all that apply)

Which of the following is not a formed element found in the blood?

What is used to determine the volume percentage of red blood cells in whole blood?

The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is

Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as

A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is

Neutrophils are highly mobile and phagocytic. They migrate out of blood vessels and into tissue spaces. This process is called

A decrease in the amount of white blood cells is called

Platelets play an important role in

The term blood type refers to the type of what blood cell component?

All of the following are components critical to coagulation except

Which of the following, a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels?

The physiological mechanism that dissolves clots is known as

In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of

All of the following are granulocytes except

A disease that develops as a result of the reaction of a mother's Rh antibodies with her Rh-positive offspring is

The heart has its own special covering, a loose-fitting inextensible sac called the

The bulk of the heart wall is the thick, contractile middle layer called the

The type of membranous tissue that lines the heart and blood vessels is the

Atria are often called _____ because they receive blood from vessels called veins.

Mechanical devices that permit the flow of blood in one direction only are called

After blood leaves the lungs and returns to the heart, it enters the

Which division of the autonomic nervous system sends fibers to the heart? ( select all that apply)

The four structures that compose the conduction system of the heart are the

The normal cardiac impulse that initiates mechanical contraction of the heart arises in the

The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called

From which vessels do myocardial cells receive blood?

A graphic record of the heart's electrical activity is

The normal ECG is composed of all of the following except a

A type of abnormal heart sound that may signify incomplete closing of the valves is