41) An initial stimulus produces a response that reinforces the stimulus in ________.

A) positive feedback

B) homeostasis

C) negative feedback

D) regulation

E) integration

42) Which of the following describes a mechanism that brings the internal environment back to normal?

A) integration

B) regulation

C) positive feedback

D) negative feedback

E) homeostasis

43) Which of the following is an example of negative feedback?

A) An increase in normal body temperature triggers heat loss through enhanced blood flow to the skin and increased sweating.

B) An increase in ambient room temperature triggers the thermostat to turn on the heater.

C) A severe cut triggers accelerated blood clotting until the bleeding stops.

D) Increased blood sugar stimulates the release of a hormone from the pancreas that stimulates the liver to release blood sugar.

E) An increase in body temperature triggers a neural response that initiates physiological changes to increase body temperature.

44) Regarding components of negative feedback in thermoregulation, what is the correlative of the skeletal muscles?

A) effector

B) control center

C) receptor

D) integrator

E) stimulus

45) A person who is lying on his or her stomach is said to be in the

A) supine position.

B) prone position.

C) transverse position.

D) frontal position.

E) sagittal position.

46) Which directional term indicates the back of the body?

A) lateral

B) proximal

C) dorsal

D) ventral

E) medial

47) Which of the following anatomical landmarks corresponds to the groin?

A) inguinal

B) cephalon

C) gluteus

D) lumbus

E) thoracis

48) Which of the following regions corresponds to the foot?

A) cervicis

B) brachium

C) antebrachium

D) femur

E) pes

49) A person lying face up in the anatomical position is said to be in the ________ position.

A) coronal

B) supine

C) prone

D) sagittal

E) lateral

50) The forearm is called the ________.

A) acromial

B) olecranon

C) antebrachium

D) lumbus

E) brachium