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Exam 6: Microbial Nutrition and Growth

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Question 31

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When whole cells or large molecules in solution are engulfed by a cell,this endocytosis is specifically termed

A) pinocytosis.
B) phagocytosis.
C) facilitated transport.
D) facilitated diffusion.
E) exocytosis.

F) All of the above
G) A) and B)

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Question 32

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The majority of microbes live and grow in habitats between pH 7 and 9.

A) True
B) False

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Question 33

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The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called

The production of antibodies is a form of antagonism called

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. The hospital infectious disease team is involved with the study of a healthcare-associated infection that has spread to 10% of inpatients. The infected patients are exhibiting symptoms of severe abdominal cramping, diarrhea, nausea, and vomiting. As the infectious disease RN, you provide education to staff regarding the pattern of bacterial growth and infection control. -Antimicrobial agents are often most effective when given during which period of bacterial growth?

The phase of the bacterial growth curve in which the rate of multiplication equals the rate of cell death is the

The phase of the bacterial growth curve that shows the maximum rate of cell division is the

The time interval from parent cell to two new daughter cells is called the

The movement of substances from lower to higher concentration across a semipermeable membrane that must have a specific protein carrier and cell expenditure of energy is called

Most of the dry weight of a microbial cell is from

An organism that cannot tolerate an oxygen environment is a(n)

What compound has the highest concentration in a cell?

In _____ conditions,the cell wall will help prevent the cell from bursting.

An important mineral ion of the cytochrome pigments of cellular respiration is

The term photoheterotroph refers to an organism that

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. A 24-year-old male arrives at the emergency department via air transport after sustaining a fall while rock climbing. The patient is minimally responsive with sluggishly reactive pupils upon arrival. He is requiring support with mechanical ventilation. A CT scan reveals multiple head bleeds and intracranial swelling. The patient has obvious fractures of his bilateral upper extremities and right leg. The patient is rushed to surgery with the plan to relieve the pressure of the intracranial swelling. -You administer the osmotic diuretic as ordered.Which of the following responses by the patient would indicate the therapeutic effectiveness of the drug?

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker. -Prior to administration of the scheduled morning dose of verapamil,the patient's blood pressure is found to be low.What is the most appropriate action for you to take as the RN?

Diffusion of water through a semipermeable membrane is called

An organism that can use gaseous oxygen in metabolism and has the enzymes to process toxic oxygen products is a(n)

When microbes are in a close nutritional relationship,and one benefits but the other is not harmed,it is called