Question 1

The stomach is composed of ___ types of tissues.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 2

Insulin is a hormone produced in the pancreas.Insulin causes _____.

Accepted Answer

A)  the pancreas to produce glucagon 
B)  muscle and liver cells to produce glycogen 
C)  muscle and liver cells to remove sugar from the blood 
D)  the pancreas to produce glucagon and muscle and liver cells to produce glycogen 
E)  muscle and liver cells to remove sugar from the blood and produce glycogen 
A)  the pancreas to produce glucagon 
B)  muscle and liver cells to produce glycogen 
C)  muscle and liver cells to remove sugar from the blood 
D)  the pancreas to produce glucagon and muscle and liver cells to produce glycogen 
E)  muscle and liver cells to remove sugar from the blood and produce glycogen

Question 3

Vasoconstriction is to shivering as vasodilation is to _____.

Accepted Answer

A)  breathing 
B)  crying 
C)  frostbite 
D)  vomiting 
E)  sweating 
A)  breathing 
B)  crying 
C)  frostbite 
D)  vomiting 
E)  sweating

Question 4

One way to generate heat is through

Accepted Answer

A)  vasoconstriction. 
B)  vasodilation. 
C)  shivering. 
D)  sleeping. 
E)  All of the answers are correct. 
A)  vasoconstriction. 
B)  vasodilation. 
C)  shivering. 
D)  sleeping. 
E)  All of the answers are correct.

Question 5

Oxytocin is a hormone that controls many responses and functions in the body,including uterine contractions during labor.The movement of the baby down the uterus and into the cervix activates stretch receptors,which stimulate the hypothalamus to release more oxytocin and increase the frequency of contractions.This is an example of

Accepted Answer

A)  a negative feedback loop. 
B)  a positive feedback loop. 
C)  acclimatization. 
D)  vasoconstriction. 
E)  osmoregulation. 
A)  a negative feedback loop. 
B)  a positive feedback loop. 
C)  acclimatization. 
D)  vasoconstriction. 
E)  osmoregulation.

Question 6

Insulin is released from the __________ in response to _________.

Accepted Answer

A)  pancreas;elevated blood sugar 
B)  pancreas;low levels of blood sugar 
C)  hypothalamus;elevated blood sugar 
D)  hypothalamus;low levels of blood sugar 
E)  pituitary;signals from the hypothalamus 
A)  pancreas;elevated blood sugar 
B)  pancreas;low levels of blood sugar 
C)  hypothalamus;elevated blood sugar 
D)  hypothalamus;low levels of blood sugar 
E)  pituitary;signals from the hypothalamus

Question 7

Which statement regarding organ systems is false?

Accepted Answer

A)  Organ systems work together throughout the body to maintain homeostasis. 
B)  The human body has two main organ systems. 
C)  A dramatic change in one organ system can greatly affect other organ systems. 
D)  The function of the integumentary system is to protect the body. 
E)  The urinary system is important in regulating the fluid balance in the body. 
A)  Organ systems work together throughout the body to maintain homeostasis. 
B)  The human body has two main organ systems. 
C)  A dramatic change in one organ system can greatly affect other organ systems. 
D)  The function of the integumentary system is to protect the body. 
E)  The urinary system is important in regulating the fluid balance in the body.

Question 8

In the osmoregulation feedback loop,________ is/are examples of sensors and _______ is/are examples of effectors.

Accepted Answer

A)  the kidneys;the hypothalamus 
B)  the hypothalamus;blood-pressure receptors in the blood vessels 
C)  the kidneys;blood-volume receptors in the heart 
D)  blood-volume receptors in the heart;blood-pressure receptors in the blood vessels 
E)  blood-volume receptors in the heart;the kidneys 
A)  the kidneys;the hypothalamus 
B)  the hypothalamus;blood-pressure receptors in the blood vessels 
C)  the kidneys;blood-volume receptors in the heart 
D)  blood-volume receptors in the heart;blood-pressure receptors in the blood vessels 
E)  blood-volume receptors in the heart;the kidneys

Question 9

The hypothalamus is a(n)________ and a(n)_______.

Accepted Answer

A)  sensor;effector 
B)  region of the brain;hormone 
C)  part of the nervous system;part of the endocrine system 
D)  gland;thermoreceptor 
E)  organ;tissue 
A)  sensor;effector 
B)  region of the brain;hormone 
C)  part of the nervous system;part of the endocrine system 
D)  gland;thermoreceptor 
E)  organ;tissue

Question 10

The following are effects of dehydration,EXCEPT

Accepted Answer

A)  delirium and confusion. 
B)  altered electrolyte concentrations in blood. 
C)  concentrated urine. 
D)  increased blood pressure. 
E)  altered muscle contractions. 
A)  delirium and confusion. 
B)  altered electrolyte concentrations in blood. 
C)  concentrated urine. 
D)  increased blood pressure. 
E)  altered muscle contractions.

Question 11

When blood sugar rises after a meal,the pancreas releases insulin.This causes cells to take up excess glucose.When blood sugar falls,glucagon is released from the pancreas.This causes cells to break down glycogen into glucose,which is then released into the blood.Which of the following aspects of this system best explains why it is an example of homeostasis?

Accepted Answer

A)  The release of insulin causes blood sugar levels to fall. 
B)  The release of glucagon causes blood sugar levels to rise. 
C)  The pancreas and liver work together as an organ system. 
D)  The system works to keep blood sugar levels within a narrow range. 
E)  Insulin and glucagon are enzymes that only work within a narrow range of temperatures. 
A)  The release of insulin causes blood sugar levels to fall. 
B)  The release of glucagon causes blood sugar levels to rise. 
C)  The pancreas and liver work together as an organ system. 
D)  The system works to keep blood sugar levels within a narrow range. 
E)  Insulin and glucagon are enzymes that only work within a narrow range of temperatures.

Question 12

The human body is organized in a hierarchy of components.Which list correctly places these components in order from simplest to most complex?

Accepted Answer

A)  tissues,cells,organs,organ systems 
B)  organs,tissues,cells,organ systems 
C)  organ systems,organs,tissues,cells 
D)  cells,tissues,organs,organ systems 
E)  tissues,cells,organs systems,organs 
A)  tissues,cells,organs,organ systems 
B)  organs,tissues,cells,organ systems 
C)  organ systems,organs,tissues,cells 
D)  cells,tissues,organs,organ systems 
E)  tissues,cells,organs systems,organs

Question 13

Which statement regarding organ systems is false?

Accepted Answer

A)  Organ systems work together with other organ systems in the body to maintain life. 
B)  Physiologists study how organ systems function. 
C)  The digestive system includes the heart and the small intestine. 
D)  The digestive system is made up of muscle,epithelial,connective,and nervous tissues. 
E)  Organ systems work together to maintain a stable internal environment. 
A)  Organ systems work together with other organ systems in the body to maintain life. 
B)  Physiologists study how organ systems function. 
C)  The digestive system includes the heart and the small intestine. 
D)  The digestive system is made up of muscle,epithelial,connective,and nervous tissues. 
E)  Organ systems work together to maintain a stable internal environment.

Question 14

A typical response of the human body to cold is for blood vessels ______ to ______.

Accepted Answer

A)  near the skin's surface;dilate 
B)  in the body's core;dilate 
C)  near the skin's surface;constrict 
D)  in the body's core;constrict 
E)  near the skin's surface;shiver 
A)  near the skin's surface;dilate 
B)  in the body's core;dilate 
C)  near the skin's surface;constrict 
D)  in the body's core;constrict 
E)  near the skin's surface;shiver

Question 15

Which organ system is incorrectly paired with its corresponding function?

Accepted Answer

A)  muscular system: responsible for movement of body parts 
B)  nervous system: senses and responds to information 
C)  reproductive system: responsible for the development of offspring 
D)  lymphatic system: moves blood into tissues and around body 
E)  urinary system: regulates fluid balance and eliminates waste 
A)  muscular system: responsible for movement of body parts 
B)  nervous system: senses and responds to information 
C)  reproductive system: responsible for the development of offspring 
D)  lymphatic system: moves blood into tissues and around body 
E)  urinary system: regulates fluid balance and eliminates waste

Question 16

The hypothalamus is

Accepted Answer

A)  the size of a lemon. 
B)  located in the throat. 
C)  in the frontal lobe of the brain. 
D)  located at the base of the brain. 
E)  part of the liver. 
A)  the size of a lemon. 
B)  located in the throat. 
C)  in the frontal lobe of the brain. 
D)  located at the base of the brain. 
E)  part of the liver.

Question 17

_______ are composed of specialized cells that work together.

Accepted Answer

A)  Organelles 
B)  Organ systems 
C)  Tissues 
D)  Organisms 
E)  Organs 
A)  Organelles 
B)  Organ systems 
C)  Tissues 
D)  Organisms 
E)  Organs

Question 18

In order to maintain ideal internal conditions,the human body works to maintain _____.

Accepted Answer

A)  insulation 
B)  homeostasis 
C)  movement 
D)  heat output 
E)  regular movement 
A)  insulation 
B)  homeostasis 
C)  movement 
D)  heat output 
E)  regular movement

Question 19

Which hormone regulates water conservation by the kidneys?

Accepted Answer

A)  insulin 
B)  ADH 
C)  glucagon 
D)  ADH and insulin work together 
A)  insulin 
B)  ADH 
C)  glucagon 
D)  ADH and insulin work together

Question 20

An emergency room doctor setting a complex bone fracture is relying primarily on knowledge of

Accepted Answer

A)  anatomy. 
B)  physiology. 
C)  thermoregulation. 
D)  homeostasis. 
E)  osmoregulation. 
A)  anatomy. 
B)  physiology. 
C)  thermoregulation. 
D)  homeostasis. 
E)  osmoregulation.

Exam 26: Overview of Physiology

The stomach is composed of ___ types of tissues.

Insulin is a hormone produced in the pancreas.Insulin causes _____.

Vasoconstriction is to shivering as vasodilation is to _____.

One way to generate heat is through

Insulin is released from the __________ in response to _________.

Which statement regarding organ systems is false?

In the osmoregulation feedback loop,________ is/are examples of sensors and _______ is/are examples of effectors.

The hypothalamus is a(n)________ and a(n)_______.

The following are effects of dehydration,EXCEPT

The human body is organized in a hierarchy of components.Which list correctly places these components in order from simplest to most complex?

Which statement regarding organ systems is false?

A typical response of the human body to cold is for blood vessels ______ to ______.

Which organ system is incorrectly paired with its corresponding function?

The hypothalamus is

_______ are composed of specialized cells that work together.

In order to maintain ideal internal conditions,the human body works to maintain _____.

Which hormone regulates water conservation by the kidneys?

An emergency room doctor setting a complex bone fracture is relying primarily on knowledge of

Process of Science

Chemistry of Life

Cell Structure and Function

Nutrition, Enzymes, Metabolism

Energy and Photosynthesis

Dietary Energy and Cellular Respiration

Genes to Proteins

DNA Structure and Replication

Cell Cycle and Cell Differentiation

Mutations and Cancer

Simple Inheritance and Meiosis

Complex Inheritance

Natural Selection and Adaptation

Nonadaptive Evolution and Speciation

Evidence for Evolution

Life on Earth

Prokaryotic Diversity

Eukaryotic Diversity

Human Evolution

Population Ecology

Community Ecology

Ecosystem Ecology

Sustainability

Plant Growth and Reproduction

Plant Physiology

Digestive System

Cardiovascular System

Respiratory System

Central Nervous System

Reproductive System

Immune System

A Range of Biology

Filters

Insulin is released from the __ in response to _.

In the osmoregulation feedback loop,__ is/are examples of sensors and _ is/are examples of effectors.

The hypothalamus is a(n)__ and a(n)_.

A typical response of the human body to cold is for blood vessels to .