MCQs Mock Test for Lab Technicians and Technologists: Chapter 31

Pigs or dogs are the source of human infection by each of the following parasites EXCEPT:

Children at day care centers in the United States have a high rate of infection with which one of the following?

Each of the following statements concerning the fluorescent treponemal antibody-absorbed (FTA-ABS) test for syphilis is correct EXCEPT:

The main anatomic location of Schistosoma mansoni adult worms is:

Differential Interference Contrast microscopy

Each of the following statements concerning Ascaris lumbricoides is correct EXCEPT:

Negative staining is useful for observing the presence of ..

At a school nurse’s request, a clinic in rural South Carolina sees a 9-year-old girl who appears listless and inattentive, although hearing and visual testing has been within normal limits. The physician finds the child thin, with the “potbelly” of malnutrition, and orders a fecal exam and CBC. The CBC reveals a microcytic, hypochrornic anemia, and the fecal exam detects brown, oval nematode eggs approximately 65 microns in size, too numerous to count. What was the most likely means by which this child was infected?

After sporozoite gain entrance to human body it undergoes developmental cycle first in liver than in RBC, only after which fever is seen. This incubation period varies between plasmodium species, and ………….. species has longest incubation period.

All of the following statements about mosquitoes are true except:

Black water fever is a special manifestation of malaria caused by;

A 35-year-old man comes to the emergency department complaining of high fever, chills, severe headache, and confusion. He has recently returned from Africa. A peripheral blood smear reveals multiple ring structures and crescent-shaped gametes. Which of the following organisms is the most likely cause?

Place the structures of the compound light microscope in the order that light passes through them on the way to the observer’s eyes: (1) condenser, (2) ocular lens, (3) illuminator, (4) specimen, (5) objective lens.

While viewing the stained slides in 100x, a drop of oil is placed between the tip of the oil immersion lens and the specimen on a glass slide. What is the purpose of using the oil.

The word “malaria” comes from which two medieval Italian words?

Regarding human papillomavirus (HPV), which one of the following is MOST accurate?

Regarding the Gram stain, which one of the following is the MOST accurate?

Larval stage of Taenia solium is called

How many magnifying lenses does a compound light microscope contain?

Each of the following parasites passes through the lung during human infection EXCEPT:

Can malaria be transmitted from person to person?

“Parfocal” refers to microscopes with multiple objectives where

A 20-year-old woman presents with a history of vaginal discharge for the past 3 days. On pelvic examination, you see a mucopurulent exudate at the cervical os, and there is tenderness on palpation of the right fallopian tube. You do a Gram stain and culture on the cervical discharge. The culture is done on Thayer-Martin medium. Of the following, which findings are the MOST likely to be found?

In this type of microscopy, surface of a specimen is bombarded with electrons during sample preparation step.

Phase Contrast microscopy

Each of the following statements concerning malaria is correct EXCEPT:

A 30-year-old woman presents to her gynecologist with complaints of vaginal itching and a frothy, yellow discharge. She also complains of painful urination. She admits to being sexually active with several men in the past two weeks. Cultures are negative for bacterial growth, but organisms are visible via a wet preparation on low power. The most likely causal agent is

Each of the following statements concerning chlamydiae is correct EXCEPT:

Each of the following statements concerning Schistosoma haematobium is correct EXCEPT:

Each of the following statements concerning hookworm infection is correct EXCEPT:

Which of the following mosquito is responsible for malaria transmission?

Regarding human immunodeficiency virus (HIV), which one of the following is MOST accurate?

Which of the following statements about Transmission Electron Microscopy is not true.

Each of the following statements concerning Strongyloides stercoralis is correct EXCEPT:

Most light microscope contain a/an…. that converges the light beam so that it passes through the specimen

When a microscopic image is brightly illuminated, but is surrounded by a black field, what type of microscope is being used?

Monochromatic light is sometimes used to increase the resolution of light microscopes. Light of which color below would give you the best resolution?

Each of the following statements concerning hydatid cyst disease is correct EXCEPT:

Light of… wavelength typically will result in…. resolving power.

Which of the following statement(s) regarding Plasmodium falciparum are true?

A 13-year-old boy from India was brought to the emergency room with a prolapsed rectum. Examination of the rectum reveals small worms that resemble whips attached to the mucosa. A stool sample reveals eggs that are barrel shaped, with bipolar plugs. Which of the following is the most likely cause?

Each of the following parasites is transmitted by flies EXCEPT:

Each of the following statements concerning Actinomyces and Nocardia is correct EXCEPT:

Which of the following tapeworms is acquired by eating raw or under-cooked pork?

Malaria is transmitted by a bite of female Anopheles mosquito, but what causes the disease?

Which one of the following agents can be used to prevent malaria?

The skin test used for the diagnosis of Hydatid cyst is known as:

Each of the following statements concerning Chlamydia trachomatis is correct EXCEPT:

In malaria, the form of plasmodia that is transmitted from mosquito to human is the:

Regarding Chlamydiae, which one of the following is MOST accurate?