Question 1

The diaphragm separates the pericardial cavity from the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 2

During a medical test for spinal meningitis, the physician orders a "spinal tap." What cavity would he be removing the fluid from?

Accepted Answer

A)  thoracic 
B)  abdominal 
C)  pericardial 
D)  dorsal 
E)  pleural 
A)  thoracic 
B)  abdominal 
C)  pericardial 
D)  dorsal 
E)  pleural

Question 3

The urine in your bladder is unable to pass out of the bladder through its epithelial lining. Which type of junction exists between these cells?

Accepted Answer

A)  tight junction 
B)  basement membrane 
C)  gap junction 
D)  adhesion junction 
E)  There is no special junction between these cells. 
A)  tight junction 
B)  basement membrane 
C)  gap junction 
D)  adhesion junction 
E)  There is no special junction between these cells.

Question 4

Which molecule is responsible for waterproofing the skin?

Accepted Answer

A)  mucus 
B)  keratin 
C)  hyaline cartilage 
D)  myosin 
E)  lanolin 
A)  mucus 
B)  keratin 
C)  hyaline cartilage 
D)  myosin 
E)  lanolin

Question 5

Glands that secrete their products into ducts are classified as

Accepted Answer

A)  serous glands. 
B)  mucous glands. 
C)  endocrine glands. 
D)  exocrine glands. 
E)  salivary glands. 
A)  serous glands. 
B)  mucous glands. 
C)  endocrine glands. 
D)  exocrine glands. 
E)  salivary glands.

Question 6

List the subdivisions of the ventral body cavity and indicate the main organs that are found within each of the subdivisions.

Accepted Answer

The subdivisions of the ventral body cav

Question 7

Besides putting the patient to sleep, some anesthetics effectively stop food from moving through the intestine. Therefore, after an operation, the surgeon will not permit a patient to eat until food is moving normally through the digestive system. Without knowing more about the anesthetics, what is the likely mode of action of the anesthetic?

Accepted Answer

A)  The anesthetic probably slows the cardiac muscle, which in turn slows all other organ systems. 
B)  The anesthetic probably affects nerves that slow all skeletal muscle actions. 
C)  The anesthetic probably affects nerves that slow all smooth muscle actions. 
D)  The anesthetic probably affects nerves that stop all homeostatic actions. 
E)  The anesthetic probably affects nerves that stop all muscle contraction. 
A)  The anesthetic probably slows the cardiac muscle, which in turn slows all other organ systems. 
B)  The anesthetic probably affects nerves that slow all skeletal muscle actions. 
C)  The anesthetic probably affects nerves that slow all smooth muscle actions. 
D)  The anesthetic probably affects nerves that stop all homeostatic actions. 
E)  The anesthetic probably affects nerves that stop all muscle contraction.

Question 8

Epithelial tissue can be modified to

Accepted Answer

A)  store fat. 
B)  perform absorption. 
C)  receive stimuli. 
D)  move body parts. 
E)  carry impulses. 
A)  store fat. 
B)  perform absorption. 
C)  receive stimuli. 
D)  move body parts. 
E)  carry impulses.

Question 9

When you drink coffee, which is more acidic than your bloodstream, the pH of your blood drops.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following tissue types would line the inside of the mouth?

Accepted Answer

A)  muscular 
B)  connective 
C)  epithelial 
D)  nervous 
E)  glandular 
A)  muscular 
B)  connective 
C)  epithelial 
D)  nervous 
E)  glandular

Question 11

Which is a correct description of muscle tissues?

Accepted Answer

A)  Cardiac muscle is found in the heart, blood vessels, and nerves leading to the heart. 
B)  Smooth muscle is voluntary and represented by most skeletal muscles. 
C)  Skeletal muscle cells are often striated or banded where actin and myosin filaments overlap. 
D)  Smooth muscle cells are voluntary. 
E)  Skeletal muscle cells are branched and tangled and bound end-to-end at intercalated disks. 
A)  Cardiac muscle is found in the heart, blood vessels, and nerves leading to the heart. 
B)  Smooth muscle is voluntary and represented by most skeletal muscles. 
C)  Skeletal muscle cells are often striated or banded where actin and myosin filaments overlap. 
D)  Smooth muscle cells are voluntary. 
E)  Skeletal muscle cells are branched and tangled and bound end-to-end at intercalated disks.

Question 12

Simple squamous epithelium has

Accepted Answer

A)  a single layer of cube-shaped cells. 
B)  a single layer of column-shaped cells. 
C)  a single layer of flat cells. 
D)  many layers of flat cells. 
E)  many layers of cube-shaped cells. 
A)  a single layer of cube-shaped cells. 
B)  a single layer of column-shaped cells. 
C)  a single layer of flat cells. 
D)  many layers of flat cells. 
E)  many layers of cube-shaped cells.

Question 13

Which of the following are cell fragments that help initiate blood clotting?

Accepted Answer

A)  erythrocytes 
B)  leukocytes 
C)  platelets 
D)  osteocytes 
E)  fibroblasts 
A)  erythrocytes 
B)  leukocytes 
C)  platelets 
D)  osteocytes 
E)  fibroblasts

Question 14

Which of the following statements regarding homeostasis is true?

Accepted Answer

A)  Homeostasis is controlled by hormones. 
B)  Homeostasis holds fluctuations near to the body's average levels. 
C)  Homeostasis requires coordination between internal organs. 
D)  Homeostasis is often controlled by negative feedback. 
E)  All of the answer choices are true. 
A)  Homeostasis is controlled by hormones. 
B)  Homeostasis holds fluctuations near to the body's average levels. 
C)  Homeostasis requires coordination between internal organs. 
D)  Homeostasis is often controlled by negative feedback. 
E)  All of the answer choices are true.

Question 15

Which layer of the skin protects the body from bacterial infection and water loss?

Accepted Answer

A)  dermis 
B)  epidermis 
C)  connective tissue layer 
D)  hyaline cartilage 
E)  basement membrane 
A)  dermis 
B)  epidermis 
C)  connective tissue layer 
D)  hyaline cartilage 
E)  basement membrane

Question 16

Which of the following is matched to the incorrect body system?

Accepted Answer

A)  helps control pH of body fluids-urinary system 
B)  protects against disease and infections-cardiovascular system 
C)  produces body heat-muscular system 
D)  helps regulate metabolism-endocrine system 
E)  produces blood cells-skeletal system 
A)  helps control pH of body fluids-urinary system 
B)  protects against disease and infections-cardiovascular system 
C)  produces body heat-muscular system 
D)  helps regulate metabolism-endocrine system 
E)  produces blood cells-skeletal system

Question 17

Which tissue lacks a direct blood supply and heals very slowly?

Accepted Answer

A)  bone 
B)  cartilage 
C)  muscle 
D)  epithelial tissue 
E)  nerve 
A)  bone 
B)  cartilage 
C)  muscle 
D)  epithelial tissue 
E)  nerve

Question 18

A tight junction forms an impermeable barrier between two cells.

Accepted Answer

A) True 
 B)False

Question 19

Which is a type of neuroglial cell?

Accepted Answer

A)  astrocyte 
B)  lacunae 
C)  dendrocytes 
D)  osteocytes 
E)  myelin 
A)  astrocyte 
B)  lacunae 
C)  dendrocytes 
D)  osteocytes 
E)  myelin

Question 20

The body responds to excess heat by constricting the blood vessels in the skin.

Accepted Answer

A) True 
 B)False

Exam 11: Human Organization

The diaphragm separates the pericardial cavity from the thoracic cavity.

During a medical test for spinal meningitis, the physician orders a "spinal tap." What cavity would he be removing the fluid from?

The urine in your bladder is unable to pass out of the bladder through its epithelial lining. Which type of junction exists between these cells?

Which molecule is responsible for waterproofing the skin?

Glands that secrete their products into ducts are classified as

List the subdivisions of the ventral body cavity and indicate the main organs that are found within each of the subdivisions.

Epithelial tissue can be modified to

When you drink coffee, which is more acidic than your bloodstream, the pH of your blood drops.

Which of the following tissue types would line the inside of the mouth?

Which is a correct description of muscle tissues?

Simple squamous epithelium has

Which of the following are cell fragments that help initiate blood clotting?

Which of the following statements regarding homeostasis is true?

Which layer of the skin protects the body from bacterial infection and water loss?

Which of the following is matched to the incorrect body system?

Which tissue lacks a direct blood supply and heals very slowly?

A tight junction forms an impermeable barrier between two cells.

Which is a type of neuroglial cell?

The body responds to excess heat by constricting the blood vessels in the skin.

The Study of Life

The Molecules of Cells

Cell Structure and Function

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Organization and Function

Plant Reproduction and Responses

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Development and Aging

Patterns of Gene Inheritance

Chromosomal Basis of Inheritance

Dna Structure and Gene Expression

Biotechnology and Genomics

Evolution of Life

Microbiology

Protists and Fungi

Plants

Animals: the Invertebrates

Animals: Chordates and Vertebrates

Behavioral Ecology

Population and Community Ecology

Nature of Ecosystems

Major Ecosystems of the Biosphere

Conservation Biology

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