Question: Which of the following possesses both protein and nucleic acid?
Answer Choices:
A. NONE of these groups possess both protein and nucleic acid
B. viroids
C. carbohydrates
D. prions
E. viruses
Answer: E. viruses
Question: The patient has a white blood cell (WBC) count of 15,000 with a “shift to the left.” The patient probably has which one of the following conditions?
Answer Choices:
HIV/AIDS
An allergic reaction.
A bacterial infection.
An autoimmune disease.
Answer: A bacterial infection
Question: Which of the following does NOT accurately describe the plasma membrane?
Answer Choices:
A. external to the cell’s genetic material
B. regulates movement into the cell
C. semipermeable
D. matches intracellular environment to the extracellular environment
E. amphipathic
F. internal to cell wall
Answer: D. matches intracellular environment to the extracellular environment
Question: Which one of the following statements about allergies is true?
Answer Choices:
Allergies can develop to something that was tolerated in the past.
Allergies are a normal immune reaction to foreign materials.
Allergies often get worse as children get older.
Allergies are autosomal recessive disorders.
Answer: Allergies can develop to something that was tolerated in the past
Question: Asthmatics suffer from an excess of inflammatory chemicals released from highly reactive immune cells called:
Answer Choices:
T cells.
Mast cells.
Memory cells.
Plasma cells.
Answer: Mast cells
Question: Which of the following statements regarding the ATP cycle is FALSE?
Answer Choices:
A. A net input of energy is required to convert ADP to ATP
B. ADP is produced through the hydrolysis of ATP
C. There is a net energy release during the phosphorylation of ADP
D. ATP has a higher potential energy than ADP
E. Catabolic and anabolic processes are coupled via the ATP cycle
Answer: C. There is a net energy release during the phosphorylation of ADP
Question: Which one of the following situations is an example of passive immunity?
Answer Choices:
Receiving convalescent plasma from a recently recovered Covid patient.
Receiving a Covid immunization.
Actually contracting the Covid virus.
Being an asymptomatic carrier for Covid.
Answer: Receiving convalescent plasma from a recently recovered Covid patient
Question: In the 1500s, __________ published his observations regarding the symptoms of syphilis as well as his idea that small physical objects are responsible for contagion.
Answer Choices:
A. Edward Jenner
B. Charles Darwin
C. Paul Ehrlich
D. Alexander Fleming
E. Girolamo Fracastoro
F. Hans Christian Gram
G. Robert Hooke
H. Edward Jenner
I. Robert Koch
J. Antoni van Leeuwenhoek
K. Joseph Lister
L. Gregor Mendel
M. John Needham
N. Florence Nightingale
O. Janet Parker
P. Francisco Redi
Q. Ignaz Semmelweis
R. John Snow
S. Lazzaro Spallanzani
T. John Tyndall
Answer: E. Girolamo Fracastoro
Question: Signs and symptoms of true allergic reactions usually include which of the following?
Answer Choices:
Hives or urticaria.
Abdominal pain and diarrhea.
Pruritis or itching.
Swelling of the lips, tongue, or throat.
Blurred vision.
Answer: Hives or urticaria, Pruritis or itching, Swelling of the lips, tongue, or throat
Question: Which of the following is ABSENT in a Gram-positive cell envelope?
Answer Choices:
A. lipoteichoic acids
B. peptidoglycan
C. plasma membrane
D. phospholipids
E. endotoxins
F. all of these are PRESENT in a Gram-positive cell envelope
Answer: E. endotoxins
Question: A bacterium covered uniformly with flagella is termed ________.
Answer Choices:
A. amphitrichous
B. lophotrichous
C. monotrichous
D. peritrichous
Answer: D. peritrichous