Which of the following statements regarding fecal transplant is correct?
A. The goal is to completely eradicate Clostridium difficile from a patient's gut microbiota and replace it with a healthy community.
B. Fecal matter must be carefully disinfected and screened for viruses, cysts, and endospores before transfer to a recipient patient.
C. Donors and recipients must be carefully matched to prevent an immune reaction in the recipient.
D. This treatment is designed to jump-start the intestinal microbiota after an infection with Clostridium difficile resuts in acute diarrhea.
Answer: D
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Emphysema is caused by an increase in elastase, an enzyme that breaks down elastin. Predict the symptoms you would expect to see in a patient with emphysema.
A. Decreased ability of the lungs to expand and contract. B. Thickening of the extracellular matrix. C. Thinning of vertebral discs. D. Thinning of the cell wall. E. Thickening of the cell wall.
The lipid group that serves as energy storage molecules is the ________.
A. waxes B. prostaglandins C. phospholipids D. triglycerides E. steroids
Which of the following is (are) fixed action
pattern(s)? a. A baby garter snake captures and eats a slug. b. A chick’s gaping mouth induces a feeding response in a parent bird c. A European cuckoo hatchling pushes the host bird’s egg out of the nest. d. A male fruit fly waves his wings at a female fruit fly during courtship. e. All of these are fixed action patterns.
What are the predicted phenotypes of the children from a union of a woman who is heterozygous for
hemophilia and a man who is normal? (Use the Punnett square to verify your answer.) a. 100% normal b. 75% hemophilia: 25 % normal c. 50% hemophilia: 50% normal d. 25 % hemophilia: 75% normal e. 100% hemophilia