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En Garde! Animal Structures and What They Mean

In most animals, the drive to breed and produce offspring is strong. However, most males live their whole lives without having the chance to breed. ...


A Case of a Pheochromocytoma

“Rollie Hendrix,” a 35-year-old husband and father of three children, has been experiencing headaches and palpitations of increasing fr ...


A Case of Cerebrovascular Accident

"Samuel Dexter" is 52 years old, overweight, and a heavy smoker. He wakes one morning with weakness on his right side.  When he attempts to wa ...


A Case of Seasonal Affective Disorder

“Melanie Johnson” is a 32-year-old accountant who has moved to Green Bay, Wisconsin, from her hometown of Sarasota, Florida.  For ...


A Case of Spinal Cord Injury

“Jason Hendrix,” a 21-year-old student majoring in economics, is injured in a serious motorcycle accident while on spring break in Flor ...


A Cross Country Collision

This case study relates the story of “Hannah,” a 19-year-old runner struck by a deer during a cross country race. As a result of the co ...


A Perfect Storm in the Operating Room

In this interrupted case study, a high school biology student shadows her uncle, an anesthesiologist, at a hospital for a school assignment. She wi ...


A Rainbow of Sepia

This flipped case study examines the selective pressures that have affected the evolution of diverse human skin pigmentations. To prepare for the c ...


A Spill at Parsenn Bowl

Based on a real incident, this case features an older woman who has been injured on a ski slope. Her classic knee injury, often referred to as the ...


A Tradesman’s Journey Back from a Cerebral Incident

This directed case study tells the story of a middle-aged man with hypertension and hyperlipidemia who experiences an ischemic cerebrovascular acci ...


A Trip to the Eye Doctor

This directed case study follows a young woman, Samantha, on a routine visit to her eye doctor.  While at her appointment, Samantha receives p ...


A Typical Cold?

In this problem-based learning case, a couple who has adopted a three-year-old toddler is concerned about the child’s health, in particular t ...


Am I a Girl, or a Boy?

A baby is born with ambiguous genitalia to parents from the Dominican Republic and is determined to be a female based on general appearance.  ...


An Acrid Situation

This directed case study tells the story of a geriatric patient who has recently been diagnosed with idiopathic pulmonary fibrosis. It begins with ...


An Elderly Anomaly

This case study follows the process of diagnosing a patient, 67-year-old “Chester Fitzgerald,” who has suffered an ischemic stroke. An ...


An Unusual Case of Animal Reproduction

This case study in human reproduction follows Andrea, a college biology student who discovers she is pregnant with twins, but is not sure who the f ...


Analyzing Clinical Literature

Reading and understanding scientific literature can be a daunting task for students in introductory science courses. This decision/dilemma case stu ...


Anyone Who Had a Heart

After undergoing a fertility procedure, a 37-year-old woman and her husband are expecting twins. The delivery goes smoothly, but it soon becomes ap ...


Asthma Attack!

This interrupted case study follows the progress of a pediatric patient who experiences an acute asthma exacerbation brought on by an environmental ...


Bad Fish: Human Anatomy and Physiology Edition

In this version, developed for a course in human anatomy and physiology, the protagonist of the case, Dr. Westwood, survives an accidental poisonin ...


Black and Blue with Love

In this directed case study students follow a nurse practitioner and work with a diagnostics team to determine what is wrong with Tristan, an infan ...


Brain vs. Spinal Cord

In this case study, students read about the injuries sustained by a young man hurt in a serious diving accident. To solve the case, they must deter ...


Can a Genetic Disease Be Cured?

In this discussion case, parents must decide whether or not to enroll their sons in an experimental treatment program designed to alleviate the sym ...


Cardiac Blood Flow

This interrupted case study tells the story of a middle-aged female, “Josie,” who receives a diagnosis of congestive heart failure. In ...


Chemical Eric

This case study is designed to teach introductory biology majors about the role of the pituitary in controlling hormones. It could easily be applie ...


Chemical Eric Can't See

This autobiographical case study presents the story of Eric as he learns that he has a genetic eye disease, which progresses to the point that he b ...


Cracking the Case

In this directed case study, students shadow Dr. Lee in diagnosing two patients with osteoporosis. The students are given patient history and an in ...


Dem Bones

In this case study, a forensic anthropologist must determine the age and sex as well as look for signs of trauma to a skeleton found in a shallow g ...


Ellen's Choice

This case encourages students to explore various aspects of alternative and complementary medicine that might be helpful in treating a woman who is ...


Feel the Burn

This PowerPoint-driven case study follows a young woman who acquires a third-degree burn and receives a skin graft. As the graft becomes inflamed a ...


Football Fanaticism

A fight in a college town bar between the football player of one team and a drunken fan of a rival team results in a serious spinal cord injury. St ...


I Heart Running: A Case Study on Tachycardia in Sam the Runner

"I Heart Running" is a case study in which students diagnose the cause of exercise-induced tachycardia in an otherwise healthy, 27-year-old female. ...


It’s a Crocodile! No, a Fish! No, a Dolphin!

It is not uncommon to hear creationists argue that evolution is not science because no one saw it happen, or for students to wonder how we can know ...


Living on the Edge

This case study describes the daily osmotic struggle for survival faced by hummingbirds. The narrative is written from the viewpoint of a human obs ...


Living the Sweet Life

In this directed case study, students help “Dr. Gupta” diagnose three patients in an endocrinology clinic who are having problems with ...


Lost? Ask a Turtle

This case study examines the events surrounding the hatching and migration of loggerhead sea turtles, specifically what mechanisms they use to head ...


Mark’s Failing Heart

This directed case study centers on the story of a 65-year-old man with a weakened ventricle, resulting in reduced cardiac output. Students are pro ...


Monkey Brains

This case study in comparative physiology explores the connections between physiology, evolution and behavior. Students assume the role of research ...


More Than Just a Cough: Exploring the Role of the Cytoskeleton in Fertility

This interrupted case study explores the role of cytoskeletal structures on human health, specifically on respiratory function, sperm motility, and ...


Scorpion vs. Mouse

This flipped clicker case study explores the fascinating relationship between the Arizona Bark Scorpion (the most venomous scorpion in North Americ ...


Shark Attack!

This case is based on the real-life incident of a boy whose arm was bitten off by a bull shark while swimming off the coast of Florida in the summe ...


Split My Brain

This case study involves a couple deciding whether or not their son should undergo brain surgery to treat a severe seizure disorder. In examining t ...


Stuck on Repeat

This interrupted case study is based on the real symptoms and laboratory results of a 65-year-old female stroke victim who is obese and on medicati ...


The Case of the Crying Baby

The parents of a six-week-old baby girl know there is something seriously wrong with their child, but it takes a number of frustrating visits to th ...


The Case of the Jamaican Fisherman

Designed for a first- or second-semester Anatomy & Physiology course, this directed case study involves a 48-year-old Jamaican fisherman who su ...


The Deep

This case study presents a fictional story in a realistic setting to teach aspects of human cardiovascular and respiratory physiology as they perta ...


The Game Changer

This interrupted case study traces the football career of Anthony "Tony Tonka Truck" Williams, and the types of brain  trauma that he suffers ...


The Ice Hockey Injury

The high school ice hockey team is playing the last of three games in one day. The game gets rough and Rick, the star player, is slammed against th ...


The Missing Link

The setting for this case study is a paleontological dig in East Africa, where “Sam,” an American undergraduate student, has unearthed ...


Too Hot to Trot?

This interrupted case study looks at heat stress through the eyes of “Nelly,” a chatty, country Holstein. Although focusing on dairy ca ...


Under the Knife and Completely Aware

This case study is based on a newspaper article about the suicide of Sherman Sizemore shortly after he underwent an exploratory laparotomy (abdomin ...


Up All Night

In this clicker case, students are introduced to George, an undergraduate student who has been experiencing some odd symptoms. His roommate convinc ...


Uretero What?

This case study follows a woman faced with a series of difficult medical decisions. Students apply systems-level physiology as they explore a pregn ...


Wake-Up Call

The main character of this case is Denise, who we first meet in the early morning hours as she wakes up in a cold sweat, gasping for breath. But it ...


Weak in the Knees

This directed case study follows “John McKnight,” a high school athlete who has just returned from a previous injury to actively playin ...


Wearing on Her Nerves

This case study is designed to integrate important aspects of the nervous and muscular system portions of an anatomy and physiology course. Student ...


What Happened to 28 Days?

This clicker case introduces the human menstrual cycle and its associated misconceptions by following the story of Ann, a newlywed college student. ...


What Killed Leah Miller

An Amish infant suddenly dies and law enforcement officials suspect the parents of child abuse. But experts who advocate for the parents argue that ...


Why Is My Vision Blurry?

This interrupted case study is based on the true experiences of the author's mother, who is referred to in the story as "Mrs. Horton" for reasons o ...


Woe Is Me

This case study tells the story of a 30-year-old man with intractable peptic ulcer disease. The persistence of the ailment, despite medical treatme ...