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USMLE Questions and Answers (Q&A)

M. Klose, Content Writer
Answered: Jul 19, 2018
The answer to this is C. Pre-tracheal Fascia. This is located in the neck area and this envelops the thyroid gland is enveloped in this fascia. It is one of the compartments responsible for...Read More

3 Answers

417 views
John Smith
Answered: Apr 02, 2020
A respiratory bronchiolar unit -the smallest functional unit of the lung is the respiratory bronchiolar unit, which contains a respiratory bronchiole and the alveoli associated with it. this unit...Read More

2 Answers

401 views
L. Hawkes, Teacher
Answered: Feb 14, 2019
The correct answer to this question is C. Cranial nerve IV is used to look down and are in the medial position. The cranial nerve IV innervates the superior oblique muscle. If this cranial nerve...Read More

2 Answers

354 views
John Smith
Answered: Apr 02, 2020
Prolactin-the cells of the anterior pituitary can be classified as chromophils (love dyes) or chromophobes (do not stain with dyes). the chromophils can be further divided into acidophils (stain...Read More

1 Answer

269 views
John Smith
Answered: Apr 02, 2020
Provide mechanical stability -there are differences in the way that intermediate filaments interact with microtubules and microfilaments within the cytoplasm; however, their ropelike arrangement is...Read More

1 Answer

268 views
John Smith
Answered: Apr 02, 2020
Iodine-staining intraepithelial inclusion bodies-the correct answer is b. the presentation is typical for pelvic inflammatory disease (pid). chlamydiatrachomata (serotypes d-k) is the most common...Read More

1 Answer

266 views
John Smith
Answered: Apr 02, 2020
Troponin -smooth muscle is the least specialized type of muscle and contains no troponin. the contractile process is similar to the actin-myosin interactions that occur in motility of nonmuscle...Read More

1 Answer

257 views
John Smith
Answered: Apr 02, 2020
Aids-the correct answer is a. the condition is progressive multifocal leukoencephalopathy, which isa rapidly progressive demyelinating disorder in which the jc virus (a papovavirus)...Read More

1 Answer

251 views
John Smith
Answered: Apr 02, 2020
Pepsin-pepsin is secreted in a proenzyme form in the stomach. unlike the majority of proenzymes, it is not activated by protease hydrolysis. instead, spontaneous acid hydrolysis at ph 2 or lower...Read More

1 Answer

247 views
John Smith
Answered: Apr 02, 2020
Stationary phase-the correct answer is e. spore formation usually occurs during the stationary phase, when cellgrowth ceases because of a developing lack of nutrients or accumulation of...Read More

2 Answers

246 views
Chachelly
Answered: Apr 02, 2020
Coagulase

The correct answer is C. Gram-positive cocci in clusters are staphylococci. Staphylococcus aureus is a common pathogen that should not be considered normal skin flora. Other...Read More

1 Answer

242 views
John Smith
Answered: Apr 02, 2020
Primary exposure to m. tuberculosis-the finding of a fibrotic focus in the lower lobe of a lung in conjunction with a calcified lymph node can occur in a variety of settings, with mycobacterium...Read More

1 Answer

240 views
John Smith
Answered: Apr 02, 2020
Second week -during the second week of fetal development, lacunar spaces develop between cells of the syncytiotrophoblast, particularly in the region of the embryonic pole as the conceptus invades...Read More

1 Answer

237 views
John Smith
Answered: Apr 02, 2020
A narrow subpubic angle between the pubic rami -the male pelvis is generally heavier than the female pelvis, with stronger bone structure and more definitive muscle markings, which reflect the...Read More

1 Answer

236 views
John Smith
Answered: Apr 02, 2020
There are detectable levels of hcg in her serum and urine -the patient described in this question is probably pregnant. the delay in menstruation coupled with the presence of basophilic cells in a...Read More

1 Answer

233 views

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