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Feedback Multiple Choice Quiz
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Please answer all questions.

1
The structural and functional units of organisms are the
A)organelles.
B)cells.
C)tissues.
D)organs.
E)organ systems.
2
Given these levels of organization: 1. cell, 2. chemical, 3. organelle, 4. organ, 5. tissue. Choose the arrangement that lists the levels of organization in the correct order from smallest to largest.
A)1,2,3,4,5
B)2,3,1,5,4
C)3,2,1,4,5
D)4,1,3,2,5
E)5,3,1,4,2
3
Homeostasis is an example of which of the following characteristics of life?
A)organization
B)metabolism
C)responsiveness
D)growth
E)differentiation
4
Homeostatic mechanisms
A)keep variables exactly at the set point.
B)help to keep a relatively constant internal environment in the body.
C)act to keep values out of the normal range.
D)usually operate by positive feedback.
E)produce most disease conditions.
5
Negative-feedback mechanisms
A)are not homeostatic.
B)are rare in healthy individuals.
C)respond by making deviations from normal even larger.
D)are counteracted by most medical therapy.
E)may have a receptor, a control center, and an effector.
6
Which of these conditions indicate positive feedback has occurred?
A)Blood pressure decreases greatly; blood flow to the heart is inadequate, and blood pressure decreases.
B)Hot temperatures increase your body temperature above normal; you sweat.
C)Cold temperatures decrease your body temperature below normal; you shiver.
D)Blood pressure decreases; as a result, your heart rate increases.
7
A term that means "toward the midline" is:
A)distal
B)lateral
C)medial
D)proximal
E)superior
8
The wrist is ______ to the hand.
A)distal
B)inferior
C)lateral
D)medial
E)proximal
9
Coronal (frontal) planes divide the body into ______ portions.
A)right and left
B)anterior and posterior
C)superior and inferior
D)dorsal and ventral
E)both b and d
10
Which of these planes can divide the body into equal halves?
A)frontal (coronal)
B)median
C)transverse
D)sagittal
11
Which of these statements concerning body regions is correct?
A)The trunk region between the thorax and pelvis is the abdomen.
B)The leg extends from the hip to the ankle.
C)The forearm extends from the shoulder to the wrist.
D)The trunk can be divided into the thorax and pelvis.
E)The thorax is often subdivided superficially into four quadrants.
12
The thoracic cavity is divided into two parts by the
A)mediastinum.
B)pleural cavity.
C)diaphragm.
D)peritoneal membranes.
E)pelvic cavity.
13
Serous membranes
A)line body cavities that open to the outside.
B)produce a lubricating film of fluid.
C)are found only on the walls of the thoracic cavity.
D)separate the abdominal cavity from the pelvic cavity.
E)completely cover retroperitoneal organs.
14
The serous membrane on the surface of the lungs is called
A)parietal pericardium.
B)visceral pericardium.
C)parietal pleura.
D)visceral pleura.
E)parietal peritoneum.
15
You are standing on your head. Your head is to your neck.
A)superior
B)inferior
C)superficial
D)medial
E)proximal
16
The study of external features of the body which serve as landmarks for locating deeper structures is
A)cellular physiology.
B)systemic physiology.
C)systemic anatomy.
D)regional anatomy.
E)surface anatomy.
17
Which of these statements correctly describes anatomic position?
A)A person that is lying supine with arms at the side is in anatomic position.
B)A person that is lying prone with arms at the side is in anatomic position
C)A person standing erect that is facing forward with the arms hanging to the sides with the palms of the hands facing medially is in anatomic position.
D)A person standing erect that is facing forward with the arms hanging to the sides with the palms of the hands facing forward is in anatomic position.
E)A person standing erect that is facing forward with the arms hanging to the sides with the palms of the hands facing laterally is in anatomic position.
18
The serous membrane lined cavity surrounding the heart is called the
A)pericardial cavity.
B)peritoneal cavity.
C)pleural cavity.
19
The body system that consists of the skin, hair, nails, and sweat glands and provides protections and regulates temperature is the
A)muscular system.
B)skeletal system.
C)integumentary system.
D)endocrine system.
E)lymphatic system.
20
The body system that contains the kidneys and the bladder and removes waste products form the blood and regulates blood pH, ion balance and water balance is the
A)digestive system.
B)respiratory system.
C)urinary system.
D)cardiovascular system.
E)nervous system.







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