BIO 142 Anatomy and Physiology Exam 4-summer 2026 review version-Section A MC, Complete Solution

A patient suffered from tightness and severe pain in his jaw. He was admitted to the hospital and developed severe facial spasms. His history indicated that he had stepped on a nail at his family’s farm a few days ago. The wound appeared to be minor and he had not sought professional treatment prior to admission to the hospital The organism in this case is most likely: A. Clostridium botulinum B. Clostridium difficile C. *Clostridium tetani D. Pseudomonas aeruginosa E. Escherichia coli 2. A patient suffered from tightness and severe pain in his jaw. He was admitted to the hospital and developed severe facial spasms. His history indicated that he had stepped on a nail at his family’s farm a few days ago. The wound appeared to be minor and he had not sought professional treatment prior to admission to the hospital The disease is best treated by: A. antibiotics only B. antitoxin only C. *antibiotics and antitoxin combined D. no treatment needed E. IV fluids 3. Cases of pneumonia in immunocompromised persons may be caused by Legionella pneumophilia, the reservoir of the organism is most likely to be: A. food B. skin C. soil D. the human intestine E. *environmental water sources 4. A 20-year-old female presents to the emergency room of a large city hospital complaining of extreme abdominal pain and vaginal bleeding. Upon examination, no lesions are noted in her vaginal tract and the urinalysis does not indicate any sings of a urinary tract infection. Her admitting diagnosis is pelvic inflammatory disease (PID). The most likely cause is: A. Trichomonas vaginalis B. *Chlamydia trachomatis C. Escherichia coli D. herpes virus E. HIV 5. An outbreak of vomiting, abdominal cramps and diarrhea without fever that occurs in a group of students that have eaten together 2 hours before is mostly likely caused by: A. Salmonella typhi B. Escherichia coli C. Pseudomonas aeruginosa D. Proteus vulgaris E. *Staphylococcus enterotoxin poisoning 6. Puerperal sepsis (childbirth fever) is most likely caused by: A. Corynebacterium diphtheriae B. Legionella pneumophila C. Haemophilus influenzae D. *Streptococcus pyogenes E. Plasmodium vivax 7. Scarlet fever is caused by: A. *Streptococcus pyogenes B. Staphylococcus aureus C. Haemophilus influenzae D. Clostridium botulinum E. Vibrio cholerae 8. Gastric ulcers are most often caused by: A. stomach acid B. indigestion C. *infection with Helicobacter pylori D. infection with Escherichia coli E. all of the above 9. A patient took clindamycin to treat his pneumonia condition. A few days later, he developed a severe diarrhea with extremely foul smelling odor and his large intestines are getting inflamed and beginning to swell. The doctor switch to metronidazole and vancomycin but the condition continued to get worse. Which is the most likely causative agent for his condition? A. Borrelia burgdorferi B. Haemophilus influenza C. Staphylococcus aureus D. *Clostridium difficile E. Streptococcus viridians