Q: Which of the following equations correctly represents the calculation of urine output per day if the kidneys produce at least 500 mL of urine each day?

$$\text{Urine Output (L/day)} = \frac{500\ \text{mL}}{1000\ \text{mL/L}}$$

Question 1

Which of the following statements best explains why urinary tract infections (UTIs) are more prevalent in women than in men?

Accepted Answer

The female urethra is closer to the anus and is shorter, increasing the risk of infection.

Question 2

A patient with a urinary catheter develops a complicated UTI. Which of the following best describes the role of catheters in UTI risk?

Accepted Answer

Catheters greatly increase the risk of UTIs and cause 70–80% of complicated UTIs.

Question 3

Which bacterial species is most commonly associated with uncomplicated urinary tract infections (UTIs)?

Accepted Answer

Escherichia coli

Question 4

A urine dipstick test is performed to diagnose a UTI. Which result would most strongly support the diagnosis?

Accepted Answer

High WBC levels and positive nitrite test

Question 5

Which of the following is NOT a common TORCH agent that can cross the placenta and affect fetal development?

Accepted Answer

Escherichia coli

Question 6

Which of the following best describes the role of Lactobacillus in the vaginal microbiome?

Accepted Answer

It produces lactic acid, lowering vaginal pH and inhibiting pathogen growth.

Question 7

A patient presents with a disseminated rash and a history of untreated syphilis. Which stage of syphilis is most likely?

Accepted Answer

Secondary stage

Question 8

Which of the following is a distinguishing feature of Neisseria gonorrhoeae, the etiological agent of gonorrhea?

Accepted Answer

Gram-negative, intracellular diplococcus

Question 9

Which of the following equations correctly represents the calculation of urine output per day if the kidneys produce at least 500 mL of urine each day?

Accepted Answer

$$	ext{Urine Output (L/day)} = \frac{500\ 	ext{mL}}{1000\ 	ext{mL/L}}$$

Question 10

Which of the following best explains why benign prostatic hypertrophy in men increases the risk of UTIs?

Accepted Answer

It constricts the urethra, leading to urine retention and bacterial growth.

Question 11

Which of the following is a key difference between complicated and uncomplicated UTIs?

Accepted Answer

Uncomplicated UTIs occur in healthy people with a structurally normal urinary tract.

Question 12

Which of the following is the most common cause of vaginal yeast infections?

Accepted Answer

Candida albicans

Question 13

A patient presents with a clear pustule above a reddened base three days after sexual contact. Which infection is most likely?

Accepted Answer

Genital herpes (HSV-2)

Question 14

Which of the following best describes the function of the placenta in pregnancy?

Accepted Answer

It is a selective barrier that protects the fetus but some pathogens can cross it.

Question 15

Which of the following is a major phylum found in the semen microbiome?

Accepted Answer

Firmicutes

Question 16

Which of the following best describes the role of the endometrium in the female reproductive system?

Accepted Answer

It is the superficial layer of tissue that lines the uterus and sheds with each menstrual cycle.

Question 17

Which of the following is a correct statement about Chlamydia trachomatis infections?

Accepted Answer

It is a Gram-negative bacterium that infects epithelial cells and is often asymptomatic.

Question 18

Which of the following best describes the transmission risk of HSV-2 (genital herpes) during childbirth?

Accepted Answer

Transmission risk is highest if the mother has an active outbreak during delivery.

Question 19

Which of the following equations represents the conversion of urine output from milliliters to liters?

Accepted Answer

$$	ext{Urine Output (L)} = \frac{	ext{Urine Output (mL)}}{1000}$$

Urinary and Reproductive System Microbiology: Microbiomes, Infections, and Disease Snapshots

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