Quizzes Chapters 1-4

Choose the following statement that is not completely correct regarding serous membranes. A) Serosa are very thin, double-layered structures. B) Serous membranes are divided into parietal and visceral membranes with a potential space between the two. C) Visceral pericardium covers the surface of the heart, and parietal pericardium lines the walls of the heart. D) Serous membranes secrete a watery lubricating fluid.,

C) Visceral pericardium covers the surface of the heart, and parietal pericardium lines the walls of the heart.

what is true concerning feedback mechanisms?

Negative feedback mechanisms work to prevent sudden severe changes within the body

Select the most correct statement. - Organ systems can be composed of cells or tissues, but not both. - The endocrine system is not a true structural organ system. - Organ systems operate independently of each other to maintain life. - The immune system is closely associated with the lymphatic system.

The immune system is closely associated with the lymphatic system

The smallest living units capable of carrying out their own basic life functions are called

cells

The process of maintaining the internal environment in a state compatible for life is called______, and it occurs primarily through ____ .

homeostasis; negative feedback

The parietal pleura would represent a serous membrane

lining the thoracic cavity

If a response decreases a disturbance, the system is classified as a ________ feedback system.

negative

Lisinopril is a medication that lowers high blood pressure back to within a desired range of function. The action of this medication is similar to that of a(n) ________ in the human body.

negative feedback response

Which one of the following systems responds fastest to environmental stimuli?

nervous

If a response increases a disturbance, the system is classified as a ________ feedback system.

positive

When people cut themselves, they have clotting factors in their blood that will be released continuously in a cascade until their blood clots and terminates the bleeding. What mechanism caused their blood to clot?

positive feedback control

A ________ detects a change in a regulated variable and sends that information to a(n) ________ which relays signals to a(n) ________, usually a muscle or a gland.

sensor : integrating center : effector

which of the following statements about homeostasis is FALSE? - Illness can result if homeostasis is disrupted - The primary mechanism to maintain homeostasis is positive feedback - The organ systems work together to maintain homeostasis - The extracellular fluid is maintained in a state compatible for life - Homeostasis is the maintenance of the internal environment

the primary mechanism to maintain homeostasis is positive feedback

Histology would be best defined as a study of

tissues